Home » Product Finder » Integrated Circuits (ICs) » Clock/Timing - Real Time Clocks
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DS1553W-120+ DS1553W-120+ Maxim Integrated IC RTC CLK/CALENDAR PAR 28-EDIP Tube-Clock/CalendarAlarm, Leap Year, NVSRAM, Watchdog Timer, Y2K8KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel2.97 V ~ 3.63 V-2mA @ 3.3V0°C ~ 70°CThrough Hole28-DIP Module (0.600", 15.24mm)28-EDIP
DS1251YP-70IND+ DS1251YP-70IND+ Maxim Integrated IC RTC PHANTOM PAR 34-PCM Tube-Phantom Time ChipLeap Year, NVSRAM512KBHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V3V10mA @ 5V-40°C ~ 85°CSurface Mount34-PowerCap™ Module34-PowerCap Module
PCF8563P/F4,112 PCF8563P/F4,112 NXP Semiconductors IC RTC CLK/CALENDAR I2C 8-DIP Tube-Clock/CalendarAlarm, Leap Year, Watchdog Timer-HH:MM:SS (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V-0.6µA ~ 0.75µA @ 2V ~ 5V-40°C ~ 85°CThrough Hole8-DIP (0.300", 7.62mm)8-DIP
PCF2123TS/1,118 PCF2123TS/1,118 NXP Semiconductors IC RTC CLK/CALENDAR SPI 14-TSSOP Tape & Reel (TR)-Clock/CalendarAlarm, Leap Year, Square Wave Output, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddSPI1.6 V ~ 5.5 V-0.33µA ~ 0.38µA @ 2V ~ 5V-40°C ~ 85°CSurface Mount14-TSSOP (0.173", 4.40mm Width)14-TSSOP
PCF2123TS/1,118 PCF2123TS/1,118 NXP Semiconductors IC RTC CLK/CALENDAR SPI 14-TSSOP Cut Tape (CT)-Clock/CalendarAlarm, Leap Year, Square Wave Output, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddSPI1.6 V ~ 5.5 V-0.33µA ~ 0.38µA @ 2V ~ 5V-40°C ~ 85°CSurface Mount14-TSSOP (0.173", 4.40mm Width)14-TSSOP
PCF2123TS/1,118 PCF2123TS/1,118 NXP Semiconductors IC RTC CLK/CALENDAR SPI 14-TSSOP Digi-Reel®-Clock/CalendarAlarm, Leap Year, Square Wave Output, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddSPI1.6 V ~ 5.5 V-0.33µA ~ 0.38µA @ 2V ~ 5V-40°C ~ 85°CSurface Mount14-TSSOP (0.173", 4.40mm Width)14-TSSOP
PCF2123TS/1,112 PCF2123TS/1,112 NXP Semiconductors IC RTC CLK/CALENDAR SPI 14-TSSOP Tube-Clock/CalendarAlarm, Leap Year, Square Wave Output, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddSPI1.6 V ~ 5.5 V-0.33µA ~ 0.38µA @ 2V ~ 5V-40°C ~ 85°CSurface Mount14-TSSOP (0.173", 4.40mm Width)14-TSSOP
PCF8563TS/5,118 PCF8563TS/5,118 NXP Semiconductors IC RTC CLK/CALENDAR I2C 8-TSSOP Tape & Reel (TR)-Clock/CalendarAlarm, Leap Year, Watchdog Timer-HH:MM:SS (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V-0.6µA ~ 0.75µA @ 2V ~ 5V-40°C ~ 85°CSurface Mount8-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-TSSOP
PCF8563TS/5,118 PCF8563TS/5,118 NXP Semiconductors IC RTC CLK/CALENDAR I2C 8-TSSOP Cut Tape (CT)-Clock/CalendarAlarm, Leap Year, Watchdog Timer-HH:MM:SS (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V-0.6µA ~ 0.75µA @ 2V ~ 5V-40°C ~ 85°CSurface Mount8-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-TSSOP
PCF8563TS/5,118 PCF8563TS/5,118 NXP Semiconductors IC RTC CLK/CALENDAR I2C 8-TSSOP Digi-Reel®-Clock/CalendarAlarm, Leap Year, Watchdog Timer-HH:MM:SS (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V-0.6µA ~ 0.75µA @ 2V ~ 5V-40°C ~ 85°CSurface Mount8-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-TSSOP
ISL12058IRTZ ISL12058IRTZ Intersil IC RTC CLK/CALENDAR I2C 8-TDFN Tube-Clock/CalendarAlarm, Leap Year-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 3.6 V-0.65µA @ 1.8V-40°C ~ 85°CSurface Mount8-TDFN8-TDFN (3x3)
ISL12059IBZ ISL12059IBZ Intersil IC RTC CLK/CALENDAR I2C 8-SOIC Tube-Clock/CalendarLeap Year-HH:MM:SS (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 3.6 V-0.65µA @ 1.8V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
ISL12058IBZ ISL12058IBZ Intersil IC RTC CLK/CALENDAR I2C 8-SOIC Tube-Clock/CalendarAlarm, Leap Year-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 3.6 V-0.65µA @ 1.8V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
ISL12057IBZ ISL12057IBZ Intersil IC RTC CLK/CALENDAR I2C 8-SOIC Tube-Clock/CalendarAlarm, Leap Year-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 3.6 V-0.65µA @ 1.8V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
ISL12057IUZ ISL12057IUZ Intersil IC RTC CLK/CALENDAR I2C 8-MSOP Tube-Clock/CalendarAlarm, Leap Year-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 3.6 V-0.65µA @ 1.8V-40°C ~ 85°CSurface Mount8-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-MSOP
ISL1208IB8Z-T7A ISL1208IB8Z-T7A Intersil IC RTC CLK/CALENDAR I2C 8-SOIC Tape & Reel (TR)-Clock/CalendarAlarm, Leap Year, SRAM2BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V1.8 V ~ 5.5 V4µA ~ 6µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
ISL1208IB8Z-T7A ISL1208IB8Z-T7A Intersil IC RTC CLK/CALENDAR I2C 8-SOIC Cut Tape (CT)-Clock/CalendarAlarm, Leap Year, SRAM2BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V1.8 V ~ 5.5 V4µA ~ 6µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
ISL1208IB8Z-T7A ISL1208IB8Z-T7A Intersil IC RTC CLK/CALENDAR I2C 8-SOIC Digi-Reel®-Clock/CalendarAlarm, Leap Year, SRAM2BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V1.8 V ~ 5.5 V4µA ~ 6µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
ISL1218IBZ ISL1218IBZ Intersil IC RTC CLK/CALENDAR I2C 8-SOIC Tube-Clock/CalendarAlarm, Leap Year, SRAM8BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V1.8 V ~ 5.5 V4µA ~ 6µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
ISL1218IUZ ISL1218IUZ Intersil IC RTC CLK/CALENDAR I2C 8-MSOP Tube-Clock/CalendarAlarm, Leap Year, SRAM8BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V1.8 V ~ 5.5 V4µA ~ 6µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount8-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-MSOP
RX-4581NB:B3:ROHS RX-4581NB:B3:ROHS EPSON IC RTC CLK/CALENDAR SPI 22-SON Tape & Reel (TR)-Clock/CalendarAlarm, Leap Year, SRAM128b (16 x 8)HH:MM:SS (24 hr)YY-MM-DD-ddSPI1.6 V ~ 5.5 V-0.8µA ~ 1.2µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount22-SON22-SON
RX-4581NB:B3:ROHS RX-4581NB:B3:ROHS EPSON IC RTC CLK/CALENDAR SPI 22-SON Cut Tape (CT)-Clock/CalendarAlarm, Leap Year, SRAM128b (16 x 8)HH:MM:SS (24 hr)YY-MM-DD-ddSPI1.6 V ~ 5.5 V-0.8µA ~ 1.2µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount22-SON22-SON
RX-4581NB:B3:ROHS RX-4581NB:B3:ROHS EPSON IC RTC CLK/CALENDAR SPI 22-SON Digi-Reel®-Clock/CalendarAlarm, Leap Year, SRAM128b (16 x 8)HH:MM:SS (24 hr)YY-MM-DD-ddSPI1.6 V ~ 5.5 V-0.8µA ~ 1.2µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount22-SON22-SON
RX-8035LC:B3 PURE SN RX-8035LC:B3 PURE SN EPSON IC RTC EVENT REC I2C 12-VSOJ Tape & Reel (TR)-Time Event RecorderAlarm---I²C, 2-Wire Serial2.4 V ~ 5.5 V1 V ~ 5.5 V1.2µA @ 3V-40°C ~ 85°CSurface Mount12-TSSOJ12-VSOJ
RX-8035LC:B3 PURE SN RX-8035LC:B3 PURE SN EPSON IC RTC EVENT REC I2C 12-VSOJ Cut Tape (CT)-Time Event RecorderAlarm---I²C, 2-Wire Serial2.4 V ~ 5.5 V1 V ~ 5.5 V1.2µA @ 3V-40°C ~ 85°CSurface Mount12-TSSOJ12-VSOJ
RX-8035LC:B3 PURE SN RX-8035LC:B3 PURE SN EPSON IC RTC EVENT REC I2C 12-VSOJ Digi-Reel®-Time Event RecorderAlarm---I²C, 2-Wire Serial2.4 V ~ 5.5 V1 V ~ 5.5 V1.2µA @ 3V-40°C ~ 85°CSurface Mount12-TSSOJ12-VSOJ
M41T315V-85MH6F M41T315V-85MH6F STMicroelectronics IC RTC PHANTOM SER 28-SOIC Tape & Reel (TR)-Phantom Time ChipLeap Year, Supervisor-HH:MM:SS (12/24 hr)YY-MM-DD-ddSerial3 V ~ 3.6 V2.5 V ~ 3.7 V2mA @ 2.7V ~ 3.6V-40°C ~ 85°CSurface Mount28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets28-SOH
M41T315V-85MH6F M41T315V-85MH6F STMicroelectronics IC RTC PHANTOM SER 28-SOIC Cut Tape (CT)-Phantom Time ChipLeap Year, Supervisor-HH:MM:SS (12/24 hr)YY-MM-DD-ddSerial3 V ~ 3.6 V2.5 V ~ 3.7 V2mA @ 2.7V ~ 3.6V-40°C ~ 85°CSurface Mount28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets28-SOH
RTC-7301SF:B3 ROHS RTC-7301SF:B3 ROHS EPSON IC RTC CLK/CALENDAR PAR 24-SSOP Tape & Reel (TR)-Clock/CalendarAlarm, Leap Year-HH:MM:SS (24 hr)YY-MM-DD-ddParallel2.4 V ~ 5.5 V-1µA ~ 2µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount24-SOP (0.209", 5.30mm Width)24-SSOP
RTC-7301SF:B3 ROHS RTC-7301SF:B3 ROHS EPSON IC RTC CLK/CALENDAR PAR 24-SSOP Cut Tape (CT)-Clock/CalendarAlarm, Leap Year-HH:MM:SS (24 hr)YY-MM-DD-ddParallel2.4 V ~ 5.5 V-1µA ~ 2µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount24-SOP (0.209", 5.30mm Width)24-SSOP
RTC-7301SF:B3 ROHS RTC-7301SF:B3 ROHS EPSON IC RTC CLK/CALENDAR PAR 24-SSOP Digi-Reel®-Clock/CalendarAlarm, Leap Year-HH:MM:SS (24 hr)YY-MM-DD-ddParallel2.4 V ~ 5.5 V-1µA ~ 2µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount24-SOP (0.209", 5.30mm Width)24-SSOP
S-35390A-I8T1G S-35390A-I8T1G Seiko Instruments IC RTC CLK/CALENDAR I2C SNT-8A Tape & Reel (TR)-Clock/CalendarAlarm, Leap Year-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.3 V ~ 5.5 V-0.93µA ~ 1.1µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount8-SMD, Flat LeadSNT-8A
S-35390A-I8T1G S-35390A-I8T1G Seiko Instruments IC RTC CLK/CALENDAR I2C SNT-8A Cut Tape (CT)-Clock/CalendarAlarm, Leap Year-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.3 V ~ 5.5 V-0.93µA ~ 1.1µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount8-SMD, Flat LeadSNT-8A
S-35390A-I8T1G S-35390A-I8T1G Seiko Instruments IC RTC CLK/CALENDAR I2C SNT-8A Digi-Reel®-Clock/CalendarAlarm, Leap Year-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.3 V ~ 5.5 V-0.93µA ~ 1.1µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount8-SMD, Flat LeadSNT-8A
DS1683S+ DS1683S+ Maxim Integrated IC RTC ELAPSED CNT I2C 8-SOIC Tube-Elapsed Time CounterAlarm, EEPROM16BBinaryBinaryI²C, 2-Wire Serial2.5 V ~ 5.5 V---40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC N
DS1558W+ DS1558W+ Maxim Integrated IC RTC CLK/CALENDAR PAR 48-LQFP Tray-Clock/CalendarAlarm, Leap Year, Watchdog Timer, Y2K-HH:MM:SS (24 hr)YY-MM-DD-ddParallel2.97 V ~ 3.63 V2.5 V ~ 3.7 V2mA @ 3.3V-40°C ~ 85°CSurface Mount48-LQFP48-LQFP/48-TQFP (7x7)
DS1642-100+ DS1642-100+ Maxim Integrated IC RTC CLK/CALENDAR PAR 24-EDIP Tube-Clock/CalendarLeap Year, NVSRAM2KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V-3mA @ 5V0°C ~ 70°CThrough Hole24-DIP Module (0.600", 15.24mm)24-EDIP
DS1746-70+ DS1746-70+ Maxim Integrated IC RTC CLK/CALENDAR PAR 32-EDIP Tube-Clock/CalendarLeap Year, NVSRAM, Y2K128KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V-4mA @ 5V0°C ~ 70°CThrough Hole32-DIP Module (0.600", 15.24mm)32-EDIP
DS1647-120+ DS1647-120+ Maxim Integrated IC RTC CLK/CALENDAR PAR 32-EDIP Tube-Clock/CalendarLeap Year, NVSRAM512KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V-4mA @ 4.5V ~ 5.5V0°C ~ 70°CThrough Hole32-DIP Module (0.600", 15.24mm)32-EDIP
PCF2123BS/1,512 PCF2123BS/1,512 NXP Semiconductors IC RTC CLK/CALENDAR SPI 16-HVQFN Tube-Clock/CalendarAlarm, Leap Year, Square Wave Output, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddSPI1.6 V ~ 5.5 V-0.33µA ~ 0.38µA @ 2V ~ 5V-40°C ~ 85°CSurface Mount16-VFQFN Exposed Pad16-HVQFN (3x3)
MCP79510-I/MS MCP79510-I/MS Microchip Technology IC RTC CLK/CALENDAR SPI 10-MSOP Tube-Clock/CalendarAlarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddSPI1.8 V ~ 3.6 V1.3 V ~ 3.6 V1µA @ 1.8V ~ 3.6V-40°C ~ 85°CSurface Mount10-TFSOP, 10-MSOP (0.118", 3.00mm Width)10-MSOP
MCP79520-I/MS MCP79520-I/MS Microchip Technology IC RTC CLK/CALENDAR SPI 10-MSOP Tube-Clock/CalendarAlarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddSPI1.8 V ~ 3.6 V1.3 V ~ 3.6 V1µA @ 1.8V ~ 3.6V-40°C ~ 85°CSurface Mount10-TFSOP, 10-MSOP (0.118", 3.00mm Width)10-MSOP
DS1388Z-3+ DS1388Z-3+ Maxim Integrated IC RTC CLK/CALENDAR I2C 8-SOIC Tube-Clock/CalendarEEPROM, Leap Year, Supervisor, Trickle-Charger, Watchdog Timer512BHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 3.3 V1.3 V ~ 5.5 V140µA @ 2.7V ~ 3.3V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC N
DS1685S-5+ DS1685S-5+ Maxim Integrated IC RTC CLK/CALENDAR PAR 24-SOIC Tube-Clock/CalendarAlarm, NVSRAM, Square Wave Output, Y2K242BHH:MM:SS (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V2.5 V ~ 3.7 V3mA @ 5V0°C ~ 70°CSurface Mount24-SOIC (0.295", 7.50mm Width)24-SOIC W
DS1685EN-3+ DS1685EN-3+ Maxim Integrated IC RTC CLK/CALENDAR PAR 24-TSSOP Tube-Clock/CalendarAlarm, NVSRAM, Square Wave Output, Y2K242BHH:MM:SS (12/24 hr)YY-MM-DD-ddParallel2.7 V ~ 3.7 V2.5 V ~ 3.7 V2mA @ 3V-40°C ~ 85°CSurface Mount24-TSSOP (0.173", 4.40mm Width)24-TSSOP
DS1687-3+ DS1687-3+ Maxim Integrated IC RTC CLK/CALENDAR PAR 24-EDIP Tube-Clock/CalendarAlarm, NVSRAM, Square Wave Output, Y2K242BHH:MM:SS (12/24 hr)YY-MM-DD-ddParallel2.7 V ~ 3.7 V2.5 V ~ 3.7 V2mA @ 3V0°C ~ 70°CThrough Hole24-DIP Module (0.600", 15.24mm)24-EDIP
MCP79400-I/MS MCP79400-I/MS Microchip Technology IC RTC CLK/CALENDAR I2C 8-MSOP Tube-Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V1.3 V ~ 5.5 V1.2µA (Typ) @ 3.3V-40°C ~ 85°CSurface Mount8-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-MSOP
M41T94MQ6F M41T94MQ6F STMicroelectronics IC RTC CLK/CALENDAR SPI 16-SOIC Tape & Reel (TR)-Clock/CalendarAlarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer44BHH:MM:SS:hh (24 hr)YY-MM-DD-ddSPI2.7 V ~ 5.5 V2.5 V ~ 3.5 V1.4mA @ 2.7V ~ 5.5V-40°C ~ 85°CSurface Mount16-SOIC (0.154", 3.90mm Width)16-SO
M41T94MQ6F M41T94MQ6F STMicroelectronics IC RTC CLK/CALENDAR SPI 16-SOIC Cut Tape (CT)-Clock/CalendarAlarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer44BHH:MM:SS:hh (24 hr)YY-MM-DD-ddSPI2.7 V ~ 5.5 V2.5 V ~ 3.5 V1.4mA @ 2.7V ~ 5.5V-40°C ~ 85°CSurface Mount16-SOIC (0.154", 3.90mm Width)16-SO
M41T94MQ6F M41T94MQ6F STMicroelectronics IC RTC CLK/CALENDAR SPI 16-SOIC Digi-Reel®-Clock/CalendarAlarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer44BHH:MM:SS:hh (24 hr)YY-MM-DD-ddSPI2.7 V ~ 5.5 V2.5 V ~ 3.5 V1.4mA @ 2.7V ~ 5.5V-40°C ~ 85°CSurface Mount16-SOIC (0.154", 3.90mm Width)16-SO
MCP795W22-I/SL MCP795W22-I/SL Microchip Technology IC RTC CLK/CALENDAR SPI 14-SOIC Tube-Clock/CalendarAlarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer64BHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddSPI1.8 V ~ 3.6 V1.3 V ~ 3.6 V1µA @ 1.8V ~ 5.5V-40°C ~ 85°CSurface Mount14-SOIC (0.154", 3.90mm Width)14-SOIC
M41T62LC6F M41T62LC6F STMicroelectronics IC RTC CLK/CALENDAR I2C 8-LLC Tape & Reel (TR)Timekeeper®Clock/CalendarAlarm, Leap Year, Square Wave Output, Watchdog Timer-HH:MM:SS:hh (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.3 V ~ 4.4 V-0.7µA ~ 0.95µA @ 1.3V ~ 4.4V-40°C ~ 85°CSurface Mount8-LCC8-LCC (1.5x3.2)
M41T62LC6F M41T62LC6F STMicroelectronics IC RTC CLK/CALENDAR I2C 8-LLC Cut Tape (CT)Timekeeper®Clock/CalendarAlarm, Leap Year, Square Wave Output, Watchdog Timer-HH:MM:SS:hh (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.3 V ~ 4.4 V-0.7µA ~ 0.95µA @ 1.3V ~ 4.4V-40°C ~ 85°CSurface Mount8-LCC8-LCC (1.5x3.2)
M41T62LC6F M41T62LC6F STMicroelectronics IC RTC CLK/CALENDAR I2C 8-LLC Digi-Reel®Timekeeper®Clock/CalendarAlarm, Leap Year, Square Wave Output, Watchdog Timer-HH:MM:SS:hh (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.3 V ~ 4.4 V-0.7µA ~ 0.95µA @ 1.3V ~ 4.4V-40°C ~ 85°CSurface Mount8-LCC8-LCC (1.5x3.2)
ISL1208IB8Z ISL1208IB8Z Intersil IC RTC CLK/CALENDAR I2C 8-SOIC Tube-Clock/CalendarAlarm, Leap Year, SRAM2BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V1.8 V ~ 5.5 V4µA ~ 6µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
DS1340Z-18+ DS1340Z-18+ Maxim Integrated IC RTC CLK/CALENDAR I2C 8-SOIC Tube-Clock/CalendarLeap Year, Square Wave Output, Trickle-Charger-HH:MM:SS (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.71 V ~ 5.5 V1.3 V ~ 3.7 V100µA @ 1.89V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC N
DS1685E-5+ DS1685E-5+ Maxim Integrated IC RTC CLK/CALENDAR PAR 24-TSSOP Tube-Clock/CalendarAlarm, NVSRAM, Square Wave Output, Y2K242BHH:MM:SS (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V2.5 V ~ 3.7 V3mA @ 5V0°C ~ 70°CSurface Mount24-TSSOP (0.173", 4.40mm Width)24-TSSOP
DS1685SN-3+ DS1685SN-3+ Maxim Integrated IC RTC CLK/CALENDAR PAR 24-SOIC Tube-Clock/CalendarAlarm, NVSRAM, Square Wave Output, Y2K242BHH:MM:SS (12/24 hr)YY-MM-DD-ddParallel2.7 V ~ 3.7 V2.5 V ~ 3.7 V2mA @ 3V-40°C ~ 85°CSurface Mount24-SOIC (0.295", 7.50mm Width)24-SOIC W
DS1685EN-5+ DS1685EN-5+ Maxim Integrated IC RTC CLK/CALENDAR PAR 24-TSSOP Tube-Clock/CalendarAlarm, NVSRAM, Square Wave Output, Y2K242BHH:MM:SS (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V2.5 V ~ 3.7 V3mA @ 5V-40°C ~ 85°CSurface Mount24-TSSOP (0.173", 4.40mm Width)24-TSSOP
DS12885Q+ DS12885Q+ Maxim Integrated IC RTC CLK/CALENDAR PAR 28-PLCC Tube-Clock/CalendarAlarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output114BHH:MM:SS (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V2.5 V ~ 4 V15mA @ 4.5V ~ 5.5V0°C ~ 70°CSurface Mount28-LCC (J-Lead)28-PLCC (11.51x11.51)
CDP68HC68T1MZ CDP68HC68T1MZ Intersil IC RTC CLK/CALENDAR SPI 20-SOIC Tube-Clock/CalendarAlarm, Leap Year, Square Wave Output, Watchdog Timer32BHH:MM:SS (12/24 hr)YY-MM-DD-ddSPI3 V ~ 6 V2.2 V ~ 6 V20µA ~ 500µA @ 5V-40°C ~ 85°CSurface Mount20-SOIC (0.295", 7.50mm Width)20-SOIC W
DS1500WEN+ DS1500WEN+ Maxim Integrated IC RTC CLK/CALENDAR PAR 32-TSOP Tray-Clock/CalendarAlarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K256BHH:MM:SS (24 hr)YY-MM-DD-ddParallel3 V ~ 3.6 V2.5 V ~ 3.7 V4mA @ 3V ~ 3.6V-40°C ~ 85°CSurface Mount32-LFSOP (0.724", 18.40mm Width)32-TSOP
DS1315-5+ DS1315-5+ Maxim Integrated IC RTC PHANTOM PAR 16-DIP Tube-Phantom Time ChipLeap Year-HH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V2.5 V ~ 3.7 V1.3mA @ 5V0°C ~ 70°CThrough Hole16-DIP (0.300", 7.62mm)16-PDIP
DS1554WP-120+ DS1554WP-120+ Maxim Integrated IC RTC CLK/CALENDAR PAR 34-PCM Tray-Clock/CalendarAlarm, Leap Year, NVSRAM, Watchdog Timer, Y2K32KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel2.97 V ~ 3.63 V3V4mA @ 3.3V0°C ~ 70°CSurface Mount34-PowerCap™ Module34-PowerCap Module
DS1244W-120+ DS1244W-120+ Maxim Integrated IC RTC PHANTOM PAR 28-DIP Tube-Phantom Time ChipLeap Year, NVSRAM32KBHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel2.97 V ~ 3.63 V-7mA @ 3.3V0°C ~ 70°CThrough Hole28-DIP Module (0.600", 15.24mm)28-EDIP
DS1743P-100+ DS1743P-100+ Maxim Integrated IC RTC CLK/CALENDAR PAR 34-PCM Tube-Clock/CalendarLeap Year, NVSRAM, Y2K8KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V3V3mA @ 5V0°C ~ 70°CSurface Mount34-PowerCap™ Module34-PowerCap Module
DS17887-3+ DS17887-3+ Maxim Integrated IC RTC CLK/CALENDAR PAR 24-EDIP Tube-Clock/CalendarAlarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output8KBHH:MM:SS (12/24 hr)YY-MM-DD-ddParallel2.7 V ~ 3.7 V2.5 V ~ 3.7 V2mA @ 2.7V ~ 3.7V0°C ~ 70°CThrough Hole24-DIP Module (0.600", 15.24mm)24-EDIP
DS1742W-150+ DS1742W-150+ Maxim Integrated IC RTC CLK/CALENDAR PAR 24-EDIP Tube-Clock/CalendarLeap Year, NVSRAM, Y2K2KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel2.97 V ~ 3.63 V-2mA @ 3.3V0°C ~ 70°CThrough Hole24-DIP Module (0.600", 15.24mm)24-EDIP
DS1743-85+ DS1743-85+ Maxim Integrated IC RTC CLK/CALENDAR PAR 28-EDIP Tube-Clock/CalendarLeap Year, NVSRAM, Y2K8KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V-3mA @ 5V0°C ~ 70°CThrough Hole28-DIP Module (0.600", 15.24mm)28-EDIP
DS1743W-120IND+ DS1743W-120IND+ Maxim Integrated IC RTC CLK/CALENDAR PAR 28-EDIP Tube-Clock/CalendarLeap Year, NVSRAM, Y2K8KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel2.97 V ~ 3.63 V-2mA @ 3.3V-40°C ~ 85°CThrough Hole28-DIP Module (0.600", 15.24mm)28-EDIP
DS1744W-120IND+ DS1744W-120IND+ Maxim Integrated IC RTC CLK/CALENDAR PAR 28-EDIP Tube-Clock/CalendarLeap Year, NVSRAM, Y2K32KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel2.97 V ~ 3.63 V-2mA @ 3.3V-40°C ~ 85°CThrough Hole28-DIP Module (0.600", 15.24mm)28-EDIP
DS1746-70IND+ DS1746-70IND+ Maxim Integrated IC RTC CLK/CALENDAR PAR 32-EDIP Tube-Clock/CalendarLeap Year, NVSRAM, Y2K128KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V-4mA @ 5V-40°C ~ 85°CThrough Hole32-DIP Module (0.600", 15.24mm)32-EDIP
MCP79402-I/ST MCP79402-I/ST Microchip Technology IC RTC CLK/CALENDAR I2C 8-TSSOP Tube-Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V1.3 V ~ 5.5 V1.2µA (Typ) @ 3.3V-40°C ~ 85°CSurface Mount8-TSSOP (0.173", 4.40mm Width)8-TSSOP
ISL12022MAIBZ ISL12022MAIBZ Intersil IC RTC CLK/CALENDAR I2C 20-SOIC Tube-Clock/CalendarAlarm, Daylight Savings, Leap Year, SRAM128BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V1.8 V ~ 5.5 V14µA ~ 15µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount20-SOIC (0.295", 7.50mm Width)20-SOIC
MCP79522-I/MS MCP79522-I/MS Microchip Technology IC RTC CLK/CALENDAR SPI 10-MSOP Tube-Clock/CalendarAlarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddSPI1.8 V ~ 3.6 V1.3 V ~ 3.6 V1µA @ 1.8V ~ 3.6V-40°C ~ 85°CSurface Mount10-TFSOP, 10-MSOP (0.118", 3.00mm Width)10-MSOP
DS1341T+ DS1341T+ Maxim Integrated IC RTC CLK/CALENDAR I2C 8-TDFN Tube-Clock/CalendarAlarm, Leap Year, Square Wave Output-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V-0.5µA ~ 0.6µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount8-WDFN Exposed Pad8-TDFN-EP (3x3)
ISL1220IUZ ISL1220IUZ Intersil IC RTC CLK/CALENDAR I2C 10-MSOP Tube-Clock/CalendarAlarm, Leap Year, SRAM8BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V1.8 V ~ 5.5 V4µA ~ 6µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount10-TFSOP, 10-MSOP (0.118", 3.00mm Width)10-MSOP
DS1339AU+ DS1339AU+ Maxim Integrated IC RTC CLK/CALENDAR I2C 8-USOP Tube-Clock/CalendarAlarm, Leap Year, Square Wave Output, Trickle-Charger-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.71 V ~ 5.5 V1.3 V ~ 3.7 V200µA @ 1.71V ~ 5.5V-40°C ~ 85°CSurface Mount8-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-uMAX
DS3234SN#T&R DS3234SN#T&R Maxim Integrated IC RTC CLK/CALENDAR SPI 20-SOIC Tape & Reel (TR)-Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal256BHH:MM:SS (12/24 hr)YY-MM-DD-ddSPI2 V ~ 5.5 V2 V ~ 3.8 V120µA ~ 160µA @ 3.63V ~ 5.5V-40°C ~ 85°CSurface Mount20-SOIC (0.295", 7.50mm Width)20-SOIC W
DS3234SN#T&R DS3234SN#T&R Maxim Integrated IC RTC CLK/CALENDAR SPI 20-SOIC Cut Tape (CT)-Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal256BHH:MM:SS (12/24 hr)YY-MM-DD-ddSPI2 V ~ 5.5 V2 V ~ 3.8 V120µA ~ 160µA @ 3.63V ~ 5.5V-40°C ~ 85°CSurface Mount20-SOIC (0.295", 7.50mm Width)20-SOIC W
DS3234SN#T&R DS3234SN#T&R Maxim Integrated IC RTC CLK/CALENDAR SPI 20-SOIC Digi-Reel®-Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal256BHH:MM:SS (12/24 hr)YY-MM-DD-ddSPI2 V ~ 5.5 V2 V ~ 3.8 V120µA ~ 160µA @ 3.63V ~ 5.5V-40°C ~ 85°CSurface Mount20-SOIC (0.295", 7.50mm Width)20-SOIC W
PCA2129T/Q900/2,51 PCA2129T/Q900/2,51 NXP Semiconductors IC RTC CLK/CAL I2C/SPI 16-SOIC Tape & Reel (TR)-Clock/CalendarAlarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial, SPI1.8 V ~ 4.2 V1.8 V ~ 4.2 V1.5µA @ 3.3V-40°C ~ 85°CSurface Mount16-SOIC (0.295", 7.50mm Width)16-SOIC
PCA2129T/Q900/2,51 PCA2129T/Q900/2,51 NXP Semiconductors IC RTC CLK/CAL I2C/SPI 16-SOIC Cut Tape (CT)-Clock/CalendarAlarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial, SPI1.8 V ~ 4.2 V1.8 V ~ 4.2 V1.5µA @ 3.3V-40°C ~ 85°CSurface Mount16-SOIC (0.295", 7.50mm Width)16-SOIC
PCA2129T/Q900/2,51 PCA2129T/Q900/2,51 NXP Semiconductors IC RTC CLK/CAL I2C/SPI 16-SOIC Digi-Reel®-Clock/CalendarAlarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial, SPI1.8 V ~ 4.2 V1.8 V ~ 4.2 V1.5µA @ 3.3V-40°C ~ 85°CSurface Mount16-SOIC (0.295", 7.50mm Width)16-SOIC
MCP7940MT-I/SN MCP7940MT-I/SN Microchip Technology IC RTC CLK/CALENDAR I2C 8-SOIC Tape & Reel (TR)-Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V-1µA @ 5.5V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC N
MCP7940MT-I/MS MCP7940MT-I/MS Microchip Technology IC RTC CLK/CALENDAR I2C 8-MSOP Tape & Reel (TR)-Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V-1µA @ 5.5V-40°C ~ 85°CSurface Mount8-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-MSOP
MCP7940MT-I/ST MCP7940MT-I/ST Microchip Technology IC RTC CLK/CALENDAR I2C 8-TSSOP Tape & Reel (TR)-Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V-1µA @ 5.5V-40°C ~ 85°CSurface Mount8-TSSOP (0.173", 4.40mm Width)8-TSSOP
S-35190A-J8T1G S-35190A-J8T1G Seiko Instruments IC RTC CLK/CALENDAR SER 8-SOP Tape & Reel (TR)-Clock/CalendarAlarm, Leap Year-HH:MM:SS (12/24 hr)YY-MM-DD-dd3-Wire Serial1.3 V ~ 5.5 V-0.93µA ~ 1.1µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOP
DS1375T+T&R DS1375T+T&R Maxim Integrated IC RTC CLK/CALENDAR I2C 6-TDFN Tape & Reel (TR)-Clock/CalendarAlarm, Leap Year, Square Wave Output16BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.7 V ~ 5.5 V-0.5µA @ 1.7V ~ 5.5V-40°C ~ 85°CSurface Mount6-WDFN Exposed Pad6-TDFN Exposed Pad (3x3)
S-35190A-T8T1G S-35190A-T8T1G Seiko Instruments IC RTC CLK/CALENDAR SER 8-TSSOP Tape & Reel (TR)-Clock/CalendarAlarm, Leap Year-HH:MM:SS (12/24 hr)YY-MM-DD-dd3-Wire Serial1.3 V ~ 5.5 V-0.93µA ~ 1.1µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount8-TSSOP (0.173", 4.40mm Width)8-TSSOP
MCP7940NT-I/SN MCP7940NT-I/SN Microchip Technology IC RTC CLK/CALENDAR I2C 8-SOIC Tape & Reel (TR)-Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V1.3 V ~ 5.5 V1.2µA @ 3.3V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC N
S-35190A-I8T1G S-35190A-I8T1G Seiko Instruments IC RTC CLK/CALENDAR SER SNT-8A Tape & Reel (TR)-Clock/CalendarAlarm, Leap Year-HH:MM:SS (12/24 hr)YY-MM-DD-dd3-Wire Serial1.3 V ~ 5.5 V-0.93µA ~ 1.1µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount8-SMD, Flat LeadSNT-8A
MCP7940NT-I/MS MCP7940NT-I/MS Microchip Technology IC RTC CLK/CALENDAR I2C 8-MSOP Tape & Reel (TR)-Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V1.3 V ~ 5.5 V1.2µA @ 3.3V-40°C ~ 85°CSurface Mount8-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-MSOP
MCP7940NT-I/ST MCP7940NT-I/ST Microchip Technology IC RTC CLK/CALENDAR I2C 8-TSSOP Tape & Reel (TR)-Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V1.3 V ~ 5.5 V1.2µA @ 3.3V-40°C ~ 85°CSurface Mount8-TSSOP (0.173", 4.40mm Width)8-TSSOP
MCP7940NT-E/SN MCP7940NT-E/SN Microchip Technology IC RTC CLK/CALENDAR I2C 8-SOIC Tape & Reel (TR)-Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V1.3 V ~ 5.5 V1.2µA @ 3.3V-40°C ~ 125°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC N
MCP7940NT-I/MNY MCP7940NT-I/MNY Microchip Technology IC RTC CLK/CALENDAR I2C 8-TDFN Tape & Reel (TR)-Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V1.3 V ~ 5.5 V1.2µA @ 3.3V-40°C ~ 85°CSurface Mount8-WFDFN Exposed Pad8-TDFN (2x3)
MCP79400T-I/SN MCP79400T-I/SN Microchip Technology IC RTC CLK/CALENDAR I2C 8-SOIC Tape & Reel (TR)-Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V1.3 V ~ 5.5 V1.2µA (Typ) @ 3.3V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC N
MCP7940N-E/MS MCP7940N-E/MS Microchip Technology IC RTC CLK/CALENDAR I2C 8-MSOP Tube-Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V1.3 V ~ 5.5 V1.2µA @ 3.3V-40°C ~ 125°CSurface Mount8-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-MSOP
MCP7940NT-E/MS MCP7940NT-E/MS Microchip Technology IC RTC CLK/CALENDAR I2C 8-MSOP Tape & Reel (TR)-Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V1.3 V ~ 5.5 V1.2µA @ 3.3V-40°C ~ 125°CSurface Mount8-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-MSOP
MCP79400T-I/MS MCP79400T-I/MS Microchip Technology IC RTC CLK/CALENDAR I2C 8-MSOP Tape & Reel (TR)-Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V1.3 V ~ 5.5 V1.2µA (Typ) @ 3.3V-40°C ~ 85°CSurface Mount8-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-MSOP
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