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Part Number |
Manufacturer |
Description |
Packaging | Series | Type | Features | Memory Size | Time Format | Date Format | Interface | Voltage - Supply | Voltage - Supply, Battery | Current - Timekeeping (Max) | Operating Temperature | Mounting Type | Package / Case | Supplier Device Package |
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 |
DS14285SN+T&R |
Maxim Integrated |
IC RTC CLK/CALENDAR PAR 24-SOIC |
Tape & Reel (TR) | - | Clock/Calendar | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 114B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5 V ~ 5.5 V | 2.5 V ~ 3.6 V | 0.5µA @ 4.5V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 24-SOIC (0.295", 7.50mm Width) | 24-SOIC W |
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 |
DS1486P-120+ |
Maxim Integrated |
IC RTC CLK/CALENDAR PAR 34-PCM |
Tube | - | Clock/Calendar | Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer | 128KB | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5 V ~ 5.5 V | 3.3V | 4mA @ 5V | 0°C ~ 70°C | Surface Mount | 34-PowerCap™ Module | 34-PowerCap Module |
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 |
DS1501WS+ |
Maxim Integrated |
IC RTC CLK/CALENDAR PAR 28-SOIC |
Tube | - | Clock/Calendar | Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K | 256B | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 3 V ~ 3.6 V | 2.5 V ~ 3.7 V | 4mA @ 3V ~ 3.6V | 0°C ~ 70°C | Surface Mount | 28-SOIC (0.295", 7.50mm Width) | 28-SOIC W |
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 |
DS1501WS+T&R |
Maxim Integrated |
IC RTC CLK/CALENDAR PAR 28-SOIC |
Tape & Reel (TR) | - | Clock/Calendar | Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K | 256B | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 3 V ~ 3.6 V | 2.5 V ~ 3.7 V | 4mA @ 3V ~ 3.6V | 0°C ~ 70°C | Surface Mount | 28-SOIC (0.295", 7.50mm Width) | 28-SOIC W |
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 |
DS1501WSN+ |
Maxim Integrated |
IC RTC CLK/CALENDAR PAR 28-SOIC |
Tube | - | Clock/Calendar | Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K | 256B | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 3 V ~ 3.6 V | 2.5 V ~ 3.7 V | 4mA @ 3V ~ 3.6V | -40°C ~ 85°C | Surface Mount | 28-SOIC (0.295", 7.50mm Width) | 28-SOIC W |
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 |
DS1501WSN+T&R |
Maxim Integrated |
IC RTC CLK/CALENDAR PAR 28-SOIC |
Tape & Reel (TR) | - | Clock/Calendar | Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K | 256B | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 3 V ~ 3.6 V | 2.5 V ~ 3.7 V | 4mA @ 3V ~ 3.6V | -40°C ~ 85°C | Surface Mount | 28-SOIC (0.295", 7.50mm Width) | 28-SOIC W |
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 |
DS1501YS+ |
Maxim Integrated |
IC RTC CLK/CALENDAR PAR 28-SOIC |
Tube | - | Clock/Calendar | Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K | 256B | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5 V ~ 5.5 V | 2.5 V ~ 3.7 V | 5mA @ 4.5V ~ 5.5V | 0°C ~ 70°C | Surface Mount | 28-SOIC (0.295", 7.50mm Width) | 28-SOIC W |
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 |
 |
DS1501YS+T&R |
Maxim Integrated |
IC RTC CLK/CALENDAR PAR 28-SOIC |
Tape & Reel (TR) | - | Clock/Calendar | Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K | 256B | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5 V ~ 5.5 V | 2.5 V ~ 3.7 V | 5mA @ 4.5V ~ 5.5V | 0°C ~ 70°C | Surface Mount | 28-SOIC (0.295", 7.50mm Width) | 28-SOIC W |
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 |
 |
DS1501YSN+ |
Maxim Integrated |
IC RTC CLK/CALENDAR PAR 28-SOIC |
Tube | - | Clock/Calendar | Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K | 256B | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5 V ~ 5.5 V | 2.5 V ~ 3.7 V | 5mA @ 4.5V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 28-SOIC (0.295", 7.50mm Width) | 28-SOIC W |
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 |
 |
DS1501YSN+T&R |
Maxim Integrated |
IC RTC CLK/CALENDAR PAR 28-SOIC |
Tape & Reel (TR) | - | Clock/Calendar | Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K | 256B | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5 V ~ 5.5 V | 2.5 V ~ 3.7 V | 5mA @ 4.5V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 28-SOIC (0.295", 7.50mm Width) | 28-SOIC W |
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 |
DS1553-70+ |
Maxim Integrated |
IC RTC CLK/CALENDAR PAR 28-EDIP |
Tube | - | Clock/Calendar | Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K | 8KB | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5 V ~ 5.5 V | - | 3mA @ 5V | 0°C ~ 70°C | Through Hole | 28-DIP Module (0.600", 15.24mm) | 28-EDIP |
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 |
DS1553P-70+ |
Maxim Integrated |
IC RTC CLK/CALENDAR PAR 34-PCM |
Tube | - | Clock/Calendar | Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K | 8KB | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5 V ~ 5.5 V | 3V | 3mA @ 5V | 0°C ~ 70°C | Surface Mount | 34-PowerCap™ Module | 34-PowerCap Module |
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 |
 |
DS1642-70+ |
Maxim Integrated |
IC RTC CLK/CALENDAR PAR 24-EDIP |
Tube | - | Clock/Calendar | Leap Year, NVSRAM | 2KB | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5 V ~ 5.5 V | - | 3mA @ 5V | 0°C ~ 70°C | Through Hole | 24-DIP Module (0.600", 15.24mm) | 24-EDIP |
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 |
DS1643-70+ |
Maxim Integrated |
IC RTC CLK/CALENDAR PAR 28-EDIP |
Tube | - | Clock/Calendar | Leap Year, NVSRAM | 8KB | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5 V ~ 5.5 V | - | 3mA @ 5V | 0°C ~ 70°C | Through Hole | 28-DIP Module (0.600", 15.24mm) | 28-EDIP |
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 |
DS1643P-70+ |
Maxim Integrated |
IC RTC CLK/CALENDAR PAR 34-PCM |
Tube | - | Clock/Calendar | Leap Year, NVSRAM | 8KB | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5 V ~ 5.5 V | 3V | 3mA @ 5V | 0°C ~ 70°C | Surface Mount | 34-PowerCap™ Module | 34-PowerCap Module |
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 |
 |
DS1689S+T&R |
Maxim Integrated |
IC RTC CLK/CALENDAR PAR 28-SOIC |
Tape & Reel (TR) | - | Clock/Calendar | NVSRAM | 114B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 2.7 V ~ 3.3 V, 4.5 V ~ 5.5 V | 2.5 V ~ 3.7 V | 2mA @ 3V, 3mA @ 5V | 0°C ~ 70°C | Surface Mount | 28-SOIC (0.295", 7.50mm Width) | 28-SOIC |
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 |
 |
DS1689SN+ |
Maxim Integrated |
IC RTC CLK/CALENDAR PAR 28-SOIC |
Tube | - | Clock/Calendar | NVSRAM | 114B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 2.7 V ~ 3.3 V, 4.5 V ~ 5.5 V | 2.5 V ~ 3.7 V | 2mA @ 3V, 3mA @ 5V | -40°C ~ 85°C | Surface Mount | 28-SOIC (0.295", 7.50mm Width) | 28-SOIC |
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 |
 |
DS1689SN+T&R |
Maxim Integrated |
IC RTC CLK/CALENDAR PAR 28-SOIC |
Tape & Reel (TR) | - | Clock/Calendar | NVSRAM | 114B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 2.7 V ~ 3.3 V, 4.5 V ~ 5.5 V | 2.5 V ~ 3.7 V | 2mA @ 3V, 3mA @ 5V | -40°C ~ 85°C | Surface Mount | 28-SOIC (0.295", 7.50mm Width) | 28-SOIC |
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 |
 |
DS1742-70+ |
Maxim Integrated |
IC RTC CLK/CALENDAR PAR 24-EDIP |
Tube | - | Clock/Calendar | Leap Year, NVSRAM, Y2K | 2KB | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5 V ~ 5.5 V | - | 3mA @ 5V | 0°C ~ 70°C | Through Hole | 24-DIP Module (0.600", 15.24mm) | 24-EDIP |
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 |
DS2415P+T&R |
Maxim Integrated |
IC RTC BINARY CNT SER 6-TSOC |
Tape & Reel (TR) | - | Binary Counter | Unique ID | - | Binary | Binary | 1-Wire Serial | 2.5 V ~ 5.5 V | 2.5 V ~ 5.5 V | 0.25µA ~ 0.45µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 6-LSOJ | 6-TSOC |
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 |
MAX6900ETT+T |
Maxim Integrated |
IC RTC CLK/CALENDAR I2C 6-TDFN |
Tape & Reel (TR) | - | Clock/Calendar | Leap Year, NVSRAM | 31B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 2 V ~ 5.5 V | - | 0.63µA ~ 1.7µA | -40°C ~ 85°C | Surface Mount | 6-WDFN Exposed Pad | 6-TDFN Exposed Pad (3x3) |
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 |
 |
DS32B35-33# |
Maxim Integrated |
IC RTC CLK/CALENDAR I2C 20-SOIC |
Tube | - | Clock/Calendar | Alarm, FRAM, Leap Year, Square Wave Output, TCXO/Crystal | 2KB | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 2.7 V ~ 3.63 V | 2.3 V ~ 3.6 V | 110µA @ 3.63V | 0°C ~ 70°C | Surface Mount | 20-SOIC (0.295", 7.50mm Width) | 20-SOIC W |
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 |
 |
DS32B35-33IND# |
Maxim Integrated |
IC RTC CLK/CALENDAR I2C 20-SOIC |
Tube | - | Clock/Calendar | Alarm, FRAM, Leap Year, Square Wave Output, TCXO/Crystal | 2KB | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 2.7 V ~ 3.63 V | 2.3 V ~ 3.6 V | 110µA @ 3.63V | -40°C ~ 85°C | Surface Mount | 20-SOIC (0.295", 7.50mm Width) | 20-SOIC W |
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 |
 |
DS32C35-33# |
Maxim Integrated |
IC RTC CLK/CALENDAR I2C 20-SOIC |
Tube | - | Clock/Calendar | Alarm, FRAM, Leap Year, Square Wave Output, TCXO/Crystal | 8KB | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 2.7 V ~ 3.63 V | 2.3 V ~ 3.6 V | 110µA @ 3.63V | 0°C ~ 70°C | Surface Mount | 20-SOIC (0.295", 7.50mm Width) | 20-SOIC W |
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 |
 |
DS32C35-33IND# |
Maxim Integrated |
IC RTC CLK/CALENDAR I2C 20-SOIC |
Tube | - | Clock/Calendar | Alarm, FRAM, Leap Year, Square Wave Output, TCXO/Crystal | 8KB | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 2.7 V ~ 3.63 V | 2.3 V ~ 3.6 V | 110µA @ 3.63V | -40°C ~ 85°C | Surface Mount | 20-SOIC (0.295", 7.50mm Width) | 20-SOIC W |
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 |
 |
BQ3285S-SB2TR |
Texas Instruments |
IC RTC CLK/CALENDAR PAR 24-SOIC |
Tape & Reel (TR) | - | Clock/Calendar | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 114B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5 V ~ 5.5 V | 2.5 V ~ 4 V | * | 0°C ~ 70°C | Surface Mount | 24-SOIC (0.295", 7.50mm Width) | 24-SOIC |
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 |
BQ4802YPWR |
Texas Instruments |
IC RTC CLK/CALENDAR PAR 28-TSSOP |
Tape & Reel (TR) | - | Clock/Calendar | Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5 V ~ 5.5 V | 2.4 V ~ 4 V | * | 0°C ~ 70°C | Surface Mount | 28-TSSOP (0.173", 4.40mm Width) | 28-TSSOP |
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 |
BQ4802YPWRG4 |
Texas Instruments |
IC RTC CLK/CALENDAR PAR 28-TSSOP |
Tape & Reel (TR) | - | Clock/Calendar | Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5 V ~ 5.5 V | 2.4 V ~ 4 V | * | 0°C ~ 70°C | Surface Mount | 28-TSSOP (0.173", 4.40mm Width) | 28-TSSOP |
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 |
BQ4845YP-A4 |
Texas Instruments |
IC RTC CLK/CALENDAR PAR 28-DIP |
Tube | - | Clock/Calendar | Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5 V ~ 5.5 V | 2.3 V ~ 4 V | * | 0°C ~ 70°C | Through Hole | 28-DIP (0.600", 15.24mm) | 28-PDIP |
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 |
 |
DS1337S+C01 |
Maxim Integrated |
IC RTC CLK/CALENDAR I2C 8-SOIC |
Tube | - | Clock/Calendar | Alarm, Leap Year, Square Wave Output | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1.8 V ~ 5.5 V | - | 0.6µA @ 1.3V ~ 1.8V | -40°C ~ 85°C | Surface Mount | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC N |
|
 |
 |
BQ3285S-SB2TRG4 |
Texas Instruments |
IC RTC CLK/CALENDAR PAR 24-SOIC |
Tape & Reel (TR) | - | Clock/Calendar | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 114B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5 V ~ 5.5 V | 2.5 V ~ 4 V | * | 0°C ~ 70°C | Surface Mount | 24-SOIC (0.295", 7.50mm Width) | 24-SOIC |
|
 |
 |
BQ4845YP-A4E3 |
Texas Instruments |
IC RTC CLK/CALENDAR PAR 28-DIP |
Tube | - | Clock/Calendar | Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5 V ~ 5.5 V | 2.3 V ~ 4 V | * | 0°C ~ 70°C | Through Hole | 28-DIP (0.600", 15.24mm) | 28-PDIP |
|
 |
 |
BQ4850YMA-85N |
Texas Instruments |
IC RTC CLK/CALENDAR PAR 32-DIP |
Tube | - | Clock/Calendar | Alarm | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5 V ~ 5.5 V | - | * | -40°C ~ 85°C | Through Hole | 32-DIP Module (0.61", 15.49mm) | 32-DIP Module (18.42x52.96) |
|
 |
 |
DS32C35-33#T&R |
Maxim Integrated |
IC RTC CLK/CALENDAR I2C 20-SOIC |
Tape & Reel (TR) | - | Clock/Calendar | Alarm, FRAM, Leap Year, Square Wave Output, TCXO/Crystal | 8KB | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 2.7 V ~ 3.63 V | 2.3 V ~ 3.6 V | 110µA @ 3.63V | 0°C ~ 70°C | Surface Mount | 20-SOIC (0.295", 7.50mm Width) | 20-SOIC W |
|
 |
 |
DS1344D-3+ |
Maxim Integrated |
IC RTC CLK/CAL SPI 14-TDFN-EP |
Tube | - | Clock/Calendar | Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger | 96B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 2.7 V ~ 5.5 V | 1.3 V ~ 5.5 V | - | -40°C ~ 85°C | Surface Mount | 14-WFDFN Exposed Pad | 14-TDFN-EP (3x3) |
|
 |
 |
DS1343D-18+ |
Maxim Integrated |
IC RTC CLK/CAL SPI 14-TDFN-EP |
Tube | - | Clock/Calendar | Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger | 96B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 1.71 V ~ 5.5 V | 1.3 V ~ 5.5 V | - | -40°C ~ 85°C | Surface Mount | 14-WFDFN Exposed Pad | 14-TDFN-EP (3x3) |
|
 |
 |
DS1343D-3+ |
Maxim Integrated |
IC RTC CLK/CAL SPI 14-TDFN-EP |
Tube | - | Clock/Calendar | Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger | 96B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 2.7 V ~ 5.5 V | 1.3 V ~ 5.5 V | - | -40°C ~ 85°C | Surface Mount | 14-WFDFN Exposed Pad | 14-TDFN-EP (3x3) |
|
 |
 |
DS1343D-33+ |
Maxim Integrated |
IC RTC CLK/CAL SPI 14-TDFN-EP |
Tube | - | Clock/Calendar | Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger | 96B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 3 V ~ 5.5 V | 1.3 V ~ 5.5 V | 120µA ~ 160µA @ 3.63V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 14-WFDFN Exposed Pad | 14-TDFN-EP (3x3) |
|
 |
 |
DS1344D-18+ |
Maxim Integrated |
IC RTC CLK/CAL SPI 14-TDFN-EP |
Tube | - | Clock/Calendar | Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger | 96B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 1.71 V ~ 5.5 V | 1.3 V ~ 5.5 V | - | -40°C ~ 85°C | Surface Mount | 14-WFDFN Exposed Pad | 14-TDFN-EP (3x3) |
|
 |
 |
DS1344D-33+ |
Maxim Integrated |
IC RTC CLK/CAL SPI 14-TDFN-EP |
Tube | - | Clock/Calendar | Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger | 96B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 3 V ~ 5.5 V | 1.3 V ~ 5.5 V | 120µA ~ 160µA @ 3.63V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 14-WFDFN Exposed Pad | 14-TDFN-EP (3x3) |
|
 |
 |
DS1347T+ |
Maxim Integrated |
IC RTC CLK/CALENDAR SPI 8-TDFN |
Tube | - | Clock/Calendar | Alarm, Leap Year, SRAM | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 2 V ~ 5.5 V | - | 0.7µA ~ 0.8µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | 8-WDFN Exposed Pad | 8-TDFN EP |
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 |
 |
DS1308U-18+T |
Maxim Integrated |
IC RTC CLK/CALENDAR I2C 8-UMAX |
Tape & Reel (TR) | - | Clock/Calendar | Leap Year, NVSRAM, Square Wave Output | 56B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1.71 V ~ 5.5 V | 1.3 V ~ 5.5 V | 100µA @ 200µA @ 1.89V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 8-uMAX |
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 |
 |
DS1308U-3+T |
Maxim Integrated |
IC RTC CLK/CALENDAR I2C 8-UMAX |
Tape & Reel (TR) | - | Clock/Calendar | Leap Year, NVSRAM, Square Wave Output | 56B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 2.7 V ~ 5.5 V | 1.3 V ~ 5.5 V | - | -40°C ~ 85°C | Surface Mount | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 8-uMAX |
|
 |
 |
DS1308U-33+T |
Maxim Integrated |
IC RTC CLK/CALENDAR I2C 8-UMAX |
Tape & Reel (TR) | - | Clock/Calendar | Leap Year, NVSRAM, Square Wave Output | 56B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 3 V ~ 5.5 V | 1.3 V ~ 5.5 V | 125µA ~ 200µA @ 3V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 8-uMAX |
|
 |
 |
DS1308U-18+ |
Maxim Integrated |
IC RTC CLK/CALENDAR I2C 8-UMAX |
Tube | - | Clock/Calendar | Leap Year, NVSRAM, Square Wave Output | 56B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1.71 V ~ 5.5 V | 1.3 V ~ 5.5 V | 100µA @ 200µA @ 1.89V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 8-uMAX |
|
 |
 |
DS1308U-3+ |
Maxim Integrated |
IC RTC CLK/CALENDAR I2C 8-UMAX |
Tube | - | Clock/Calendar | Leap Year, NVSRAM, Square Wave Output | 56B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 2.7 V ~ 5.5 V | 1.3 V ~ 5.5 V | - | -40°C ~ 85°C | Surface Mount | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 8-uMAX |
|
 |
 |
DS1308U-33+ |
Maxim Integrated |
IC RTC CLK/CALENDAR I2C 8-UMAX |
Tube | - | Clock/Calendar | Leap Year, NVSRAM, Square Wave Output | 56B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 3 V ~ 5.5 V | 1.3 V ~ 5.5 V | 125µA ~ 200µA @ 3V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 8-uMAX |
|
 |
 |
MCP795B21T-I/SL |
Microchip Technology |
IC RTC CLK/CALENDAR SPI 14-SOIC |
Tape & Reel (TR) | - | Clock/Calendar | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | 64B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | SPI | 1.8 V ~ 5.5 V | 1.3 V ~ 5.5 V | 1µA @ 1.8V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC |
|
 |
 |
MCP795B21T-I/ST |
Microchip Technology |
IC RTC CLK/CALENDAR SPI 14-TSSOP |
Tape & Reel (TR) | - | Clock/Calendar | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | 64B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | SPI | 1.8 V ~ 5.5 V | 1.3 V ~ 5.5 V | 1µA @ 1.8V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 14-TSSOP (0.173", 4.40mm Width) | 14-TSSOP |
|
 |
 |
MCP795B10T-I/SL |
Microchip Technology |
IC RTC CLK/CALENDAR SPI 14-SOIC |
Tape & Reel (TR) | - | Clock/Calendar | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | 64B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | SPI | 1.8 V ~ 5.5 V | 1.3 V ~ 5.5 V | 1µA @ 1.8V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC |
|
 |
 |
MCP795B22T-I/SL |
Microchip Technology |
IC RTC CLK/CALENDAR SPI 14-SOIC |
Tape & Reel (TR) | - | Clock/Calendar | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | 64B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | SPI | 1.8 V ~ 5.5 V | 1.3 V ~ 5.5 V | 1µA @ 1.8V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC |
|
 |
 |
MCP795B10T-I/ST |
Microchip Technology |
IC RTC CLK/CALENDAR SPI 14-TSSOP |
Tape & Reel (TR) | - | Clock/Calendar | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | 64B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | SPI | 1.8 V ~ 5.5 V | 1.3 V ~ 5.5 V | 1µA @ 1.8V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 14-TSSOP (0.173", 4.40mm Width) | 14-TSSOP |
|
 |
 |
MCP795B22T-I/ST |
Microchip Technology |
IC RTC CLK/CALENDAR SPI 14-TSSOP |
Tape & Reel (TR) | - | Clock/Calendar | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | 64B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | SPI | 1.8 V ~ 5.5 V | 1.3 V ~ 5.5 V | 1µA @ 1.8V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 14-TSSOP (0.173", 4.40mm Width) | 14-TSSOP |
|
 |
 |
MCP795B11T-I/SL |
Microchip Technology |
IC RTC CLK/CALENDAR SPI 14-SOIC |
Tape & Reel (TR) | - | Clock/Calendar | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | 64B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | SPI | 1.8 V ~ 5.5 V | 1.3 V ~ 5.5 V | 1µA @ 1.8V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC |
|
 |
 |
MCP795B11T-I/ST |
Microchip Technology |
IC RTC CLK/CALENDAR SPI 14-TSSOP |
Tape & Reel (TR) | - | Clock/Calendar | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | 64B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | SPI | 1.8 V ~ 5.5 V | 1.3 V ~ 5.5 V | 1µA @ 1.8V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 14-TSSOP (0.173", 4.40mm Width) | 14-TSSOP |
|
 |
 |
MCP795B12T-I/SL |
Microchip Technology |
IC RTC CLK/CALENDAR SPI 14-SOIC |
Tape & Reel (TR) | - | Clock/Calendar | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | 64B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | SPI | 1.8 V ~ 5.5 V | 1.3 V ~ 5.5 V | 1µA @ 1.8V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC |
|
 |
 |
MCP795B12T-I/ST |
Microchip Technology |
IC RTC CLK/CALENDAR SPI 14-TSSOP |
Tape & Reel (TR) | - | Clock/Calendar | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | 64B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | SPI | 1.8 V ~ 5.5 V | 1.3 V ~ 5.5 V | 1µA @ 1.8V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 14-TSSOP (0.173", 4.40mm Width) | 14-TSSOP |
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MCP795B20T-I/SL |
Microchip Technology |
IC RTC CLK/CALENDAR SPI 14-SOIC |
Tape & Reel (TR) | - | Clock/Calendar | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | 64B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | SPI | 1.8 V ~ 5.5 V | 1.3 V ~ 5.5 V | 1µA @ 1.8V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC |
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MCP795B20T-I/ST |
Microchip Technology |
IC RTC CLK/CALENDAR SPI 14-TSSOP |
Tape & Reel (TR) | - | Clock/Calendar | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | 64B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | SPI | 1.8 V ~ 5.5 V | 1.3 V ~ 5.5 V | 1µA @ 1.8V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 14-TSSOP (0.173", 4.40mm Width) | 14-TSSOP |
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MCP795B10-I/SL |
Microchip Technology |
IC RTC CLK/CALENDAR SPI 14-SOIC |
Tube | - | Clock/Calendar | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | 64B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | SPI | 1.8 V ~ 5.5 V | 1.3 V ~ 5.5 V | 1µA @ 1.8V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC |
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MCP795B10-I/ST |
Microchip Technology |
IC RTC CLK/CALENDAR SPI 14-TSSOP |
Tube | - | Clock/Calendar | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | 64B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | SPI | 1.8 V ~ 5.5 V | 1.3 V ~ 5.5 V | 1µA @ 1.8V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 14-TSSOP (0.173", 4.40mm Width) | 14-TSSOP |
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MCP795B11-I/SL |
Microchip Technology |
IC RTC CLK/CALENDAR SPI 14-SOIC |
Tube | - | Clock/Calendar | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | 64B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | SPI | 1.8 V ~ 5.5 V | 1.3 V ~ 5.5 V | 1µA @ 1.8V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC |
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MCP795B11-I/ST |
Microchip Technology |
IC RTC CLK/CALENDAR SPI 14-TSSOP |
Tube | - | Clock/Calendar | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | 64B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | SPI | 1.8 V ~ 5.5 V | 1.3 V ~ 5.5 V | 1µA @ 1.8V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 14-TSSOP (0.173", 4.40mm Width) | 14-TSSOP |
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MCP795B12-I/SL |
Microchip Technology |
IC RTC CLK/CALENDAR SPI 14-SOIC |
Tube | - | Clock/Calendar | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | 64B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | SPI | 1.8 V ~ 5.5 V | 1.3 V ~ 5.5 V | 1µA @ 1.8V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC |
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MCP795B12-I/ST |
Microchip Technology |
IC RTC CLK/CALENDAR SPI 14-TSSOP |
Tube | - | Clock/Calendar | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | 64B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | SPI | 1.8 V ~ 5.5 V | 1.3 V ~ 5.5 V | 1µA @ 1.8V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 14-TSSOP (0.173", 4.40mm Width) | 14-TSSOP |
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MCP795B20-I/SL |
Microchip Technology |
IC RTC CLK/CALENDAR SPI 14-SOIC |
Tube | - | Clock/Calendar | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | 64B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | SPI | 1.8 V ~ 5.5 V | 1.3 V ~ 5.5 V | 1µA @ 1.8V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC |
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MCP795B20-I/ST |
Microchip Technology |
IC RTC CLK/CALENDAR SPI 14-TSSOP |
Tube | - | Clock/Calendar | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | 64B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | SPI | 1.8 V ~ 5.5 V | 1.3 V ~ 5.5 V | 1µA @ 1.8V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 14-TSSOP (0.173", 4.40mm Width) | 14-TSSOP |
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MCP795B21-I/SL |
Microchip Technology |
IC RTC CLK/CALENDAR SPI 14-SOIC |
Tube | - | Clock/Calendar | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | 64B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | SPI | 1.8 V ~ 5.5 V | 1.3 V ~ 5.5 V | 1µA @ 1.8V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC |
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MCP795B21-I/ST |
Microchip Technology |
IC RTC CLK/CALENDAR SPI 14-TSSOP |
Tube | - | Clock/Calendar | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | 64B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | SPI | 1.8 V ~ 5.5 V | 1.3 V ~ 5.5 V | 1µA @ 1.8V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 14-TSSOP (0.173", 4.40mm Width) | 14-TSSOP |
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MCP795B22-I/SL |
Microchip Technology |
IC RTC CLK/CALENDAR SPI 14-SOIC |
Tube | - | Clock/Calendar | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | 64B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | SPI | 1.8 V ~ 5.5 V | 1.3 V ~ 5.5 V | 1µA @ 1.8V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC |
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MCP795B22-I/ST |
Microchip Technology |
IC RTC CLK/CALENDAR SPI 14-TSSOP |
Tube | - | Clock/Calendar | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | 64B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | SPI | 1.8 V ~ 5.5 V | 1.3 V ~ 5.5 V | 1µA @ 1.8V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 14-TSSOP (0.173", 4.40mm Width) | 14-TSSOP |
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DS1337C |
Maxim Integrated |
IC RTC CLK/CALENDAR I2C 16-SOIC |
Tube | - | Clock/Calendar | Alarm, Leap Year, Square Wave Output | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1.8 V ~ 5.5 V | - | 0.6µA @ 1.3V ~ 1.8V | -40°C ~ 85°C | Surface Mount | 16-SOIC (0.295", 7.50mm Width) | 16-SOIC W |
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DS1337C/T&R |
Maxim Integrated |
IC RTC CLK/CALENDAR I2C 16-SOIC |
Tape & Reel (TR) | - | Clock/Calendar | Alarm, Leap Year, Square Wave Output | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1.8 V ~ 5.5 V | - | 0.6µA @ 1.3V ~ 1.8V | -40°C ~ 85°C | Surface Mount | 16-SOIC (0.295", 7.50mm Width) | 16-SOIC W |
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DS1339C-33 |
Maxim Integrated |
IC RTC CLK/CALENDAR I2C 16-SOIC |
Tube | - | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Trickle-Charger | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 2.97 V ~ 5.5 V | 1.3 V ~ 3.7 V | 200µA @ 5.5V | -40°C ~ 85°C | Surface Mount | 16-SOIC (0.295", 7.50mm Width) | 16-SOIC W |
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PCF8583BS,518 |
NXP Semiconductors |
IC RTC CLK/CALENDAR I2C 20-VQFN |
Tape & Reel (TR) | - | Clock/Calendar | Alarm, NVSRAM, Square Wave Output | 240B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD | I²C, 2-Wire Serial | 2.5 V ~ 6 V | - | 10µA ~ 50µA @ 1V ~ 5V | -40°C ~ 85°C | Surface Mount | 20-VQFN Exposed Pad | 20-HVQFN (5x5) |
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PCA2125TS/1,112 |
NXP Semiconductors |
IC RTC CLK/CALENDAR SPI 14-TSSOP |
Tube | - | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 1.6 V ~ 5.5 V | - | 1.8µA @ 2V ~ 5V | -40°C ~ 125°C | Surface Mount | 14-TSSOP (0.173", 4.40mm Width) | 14-TSSOP |
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PCA2125TS/1,118 |
NXP Semiconductors |
IC RTC CLK/CALENDAR SPI 14-TSSOP |
Tape & Reel (TR) | - | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 1.6 V ~ 5.5 V | - | 1.8µA @ 2V ~ 5V | -40°C ~ 125°C | Surface Mount | 14-TSSOP (0.173", 4.40mm Width) | 14-TSSOP |
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PCF2129AT/1,512 |
NXP Semiconductors |
IC RTC CLK/CALENDAR I2C 20-SOIC |
Tube | - | Clock/Calendar | Alarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1.8 V ~ 4.2 V | 1.8 V ~ 4.2 V | 1.5µA @ 3.3V | -40°C ~ 85°C | Surface Mount | 20-SOIC (0.295", 7.50mm Width) | 20-SO |
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PCF2129AT/1,518 |
NXP Semiconductors |
IC RTC CLK/CALENDAR I2C 20-SOIC |
Tape & Reel (TR) | - | Clock/Calendar | Alarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1.8 V ~ 4.2 V | 1.8 V ~ 4.2 V | 1.5µA @ 3.3V | -40°C ~ 85°C | Surface Mount | 20-SOIC (0.295", 7.50mm Width) | 20-SO |
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PCF2127AT/1,518 |
NXP Semiconductors |
IC RTC CLK/CAL I2C/SPI 20-SOIC |
Tape & Reel (TR) | - | Clock/Calendar | Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal, Watchdog Timer | 512B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial, SPI | 1.8 V ~ 4.2 V | 1.8 V ~ 4.2 V | 1.5µA @ 3.3V | -40°C ~ 85°C | Surface Mount | 20-SOIC (0.295", 7.50mm Width) | 20-SO |
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PCF8564ACX9/1,005 |
NXP Semiconductors |
IC RTC CLK/CALENDAR I2C DIE |
Bulk | - | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Watchdog Timer | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1 V ~ 5.5 V | - | 0.6µA ~ 0.75µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | Die | Die |
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 |
PCF8564ACX9/B/1,02 |
NXP Semiconductors |
IC RTC CLK/CALENDAR I2C DIE |
Tape & Reel (TR) | - | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Watchdog Timer | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1 V ~ 5.5 V | - | 0.6µA ~ 0.75µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | Die | Die |
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 |
PCF8564ACX9/B/1,02 |
NXP Semiconductors |
IC RTC CLK/CALENDAR I2C DIE |
Cut Tape (CT) | - | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Watchdog Timer | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1 V ~ 5.5 V | - | 0.6µA ~ 0.75µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | Die | Die |
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 |
PCF8564ACX9/B/1,02 |
NXP Semiconductors |
IC RTC CLK/CALENDAR I2C DIE |
Digi-Reel® | - | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Watchdog Timer | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1 V ~ 5.5 V | - | 0.6µA ~ 0.75µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | Die | Die |
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RTC-62421A |
EPSON |
IC RTC CLK/CALENDAR PAR 18-DIP |
Tube | - | Clock/Calendar | Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5 V ~ 5.5 V | - | 1.8µA ~ 3µA @ 2V ~ 5V | -40°C ~ 85°C | Through Hole | 18-DIP (0.300", 7.62mm) | 18-DIP |
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 |
RTC-72421A |
EPSON |
IC RTC CLK/CALENDAR PAR 18-DIP |
Tube | - | Clock/Calendar | Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5 V ~ 5.5 V | - | 5µA ~ 10µA @ 2V ~ 5V | -10°C ~ 70°C | Through Hole | 18-DIP (0.300", 7.62mm) | 18-DIP |
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 |
RTC-72421B |
EPSON |
IC RTC CLK/CALENDAR PAR 18-DIP |
Tube | - | Clock/Calendar | Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5 V ~ 5.5 V | - | 5µA ~ 10µA @ 2V ~ 5V | -10°C ~ 70°C | Through Hole | 18-DIP (0.300", 7.62mm) | 18-DIP |
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 |
RTC-72423A |
EPSON |
IC RTC CLK/CALENDAR PAR 24-SOP |
Tube | - | Clock/Calendar | Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5 V ~ 5.5 V | - | 5µA ~ 10µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | 24-SOIC (0.311", 7.90mm Width) | 24-SOP |
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 |
RTC-72423B |
EPSON |
IC RTC CLK/CALENDAR PAR 24-SOP |
Tube | - | Clock/Calendar | Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5 V ~ 5.5 V | - | 5µA ~ 10µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | 24-SOIC (0.311", 7.90mm Width) | 24-SOP |
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 |
RTC-63423B |
EPSON |
IC RTC CLK/CALENDAR PAR 24-SOIC |
Tube | - | Clock/Calendar | Alarm | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5 V ~ 5.5 V | - | - | -40°C ~ 85°C | Surface Mount | 24-SOIC (0.311", 7.90mm Width) | 24-SOP |
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 |
RTC-63421B |
EPSON |
IC RTC CLK/CALENDAR PAR 18-DIP |
Tube | - | Clock/Calendar | Alarm | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5 V ~ 5.5 V | - | - | -40°C ~ 85°C | Through Hole | 18-DIP (0.300", 7.62mm) | 18-DIP |
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RTC-4553A2 |
EPSON |
IC RTC CLK/CALENDAR SER 14-SOIC |
Tape & Reel (TR) | - | Clock/Calendar | Leap Year, SRAM | 120b | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 4-Wire Serial | 2.7 V ~ 5.5 V | - | 3µA @ 5V | -30°C ~ 70°C | Surface Mount | 14-SOIC (0.209", 5.30mm Width) | 14-SOP |
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RTC-4543SA:A0 |
EPSON |
IC RTC CLK/CALENDAR SER 14-SOIC |
Tape & Reel (TR) | - | Clock/Calendar | Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 3-Wire Serial | 2.5 V ~ 5.5 V | - | 1µA ~ 3µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | 14-SOIC (0.209", 5.30mm Width) | 14-SOP |
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RTC-4543SA:A0 |
EPSON |
IC RTC CLK/CALENDAR SER 14-SOIC |
Cut Tape (CT) | - | Clock/Calendar | Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 3-Wire Serial | 2.5 V ~ 5.5 V | - | 1µA ~ 3µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | 14-SOIC (0.209", 5.30mm Width) | 14-SOP |
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 |
RTC-4543SA:A0 |
EPSON |
IC RTC CLK/CALENDAR SER 14-SOIC |
Digi-Reel® | - | Clock/Calendar | Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 3-Wire Serial | 2.5 V ~ 5.5 V | - | 1µA ~ 3µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | 14-SOIC (0.209", 5.30mm Width) | 14-SOP |
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 |
RTC-4543SB:A |
EPSON |
IC RTC CLK/CALENDAR SER 18-SOP |
Bulk | - | Clock/Calendar | Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 3-Wire Serial | 2.5 V ~ 5.5 V | - | 1µA ~ 3µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | 18-SOIC (0.209", 5.30mm Width) | 18-SOP |
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RTC-72423A:2 |
EPSON |
IC RTC CLK/CALENDAR PAR 24-SOP |
Tube | - | Clock/Calendar | Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5 V ~ 5.5 V | - | 5µA ~ 10µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | 24-SOIC (0.311", 7.90mm Width) | 24-SOP |
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X1226S8 |
Intersil |
IC RTC CLK/CALENDAR I2C 8-SOIC |
Tube | - | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 2.7 V ~ 5.5 V | 1.8 V ~ 5.5 V | 10µA ~ 20µA @ 2.7V ~ 5V | 0°C ~ 70°C | Surface Mount | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC |
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 |
X1227S8 |
Intersil |
IC RTC CLK/CALENDAR I2C 8-SOIC |
Tube | - | Clock/Calendar | Alarm, Leap Year, Supervisor, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 4.5 V ~ 5.5 V | 1.8 V ~ 5.5 V | 10µA ~ 20µA @ 2.7V ~ 5V | 0°C ~ 70°C | Surface Mount | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC |
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 |
X1227S8-2.7 |
Intersil |
IC RTC CLK/CALENDAR I2C 8-SOIC |
Tube | - | Clock/Calendar | Alarm, Leap Year, Supervisor, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 2.7 V ~ 5.5 V | 1.8 V ~ 5.5 V | 10µA ~ 20µA @ 2.7V ~ 5V | 0°C ~ 70°C | Surface Mount | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC |