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DS1344E-3+T&R DS1344E-3+T&R Maxim Integrated IC RTC CLK/CALENDAR SPI 20-TSSOP Digi-Reel®-Clock/CalendarAlarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger96BHH:MM:SS (12/24 hr)YY-MM-DD-ddSPI2.7 V ~ 5.5 V1.3 V ~ 5.5 V--40°C ~ 85°CSurface Mount20-TSSOP (0.173", 4.40mm Width)20-TSSOP
DS1343D-33+T&R DS1343D-33+T&R Maxim Integrated IC RTC CLK/CAL SPI 14-TDFN-EP Tape & Reel (TR)-Clock/CalendarAlarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger96BHH:MM:SS (12/24 hr)YY-MM-DD-ddSPI3 V ~ 5.5 V1.3 V ~ 5.5 V120µA ~ 160µA @ 3.63V ~ 5.5V-40°C ~ 85°CSurface Mount14-WFDFN Exposed Pad14-TDFN-EP (3x3)
DS1343D-33+T&R DS1343D-33+T&R Maxim Integrated IC RTC CLK/CAL SPI 14-TDFN-EP Cut Tape (CT)-Clock/CalendarAlarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger96BHH:MM:SS (12/24 hr)YY-MM-DD-ddSPI3 V ~ 5.5 V1.3 V ~ 5.5 V120µA ~ 160µA @ 3.63V ~ 5.5V-40°C ~ 85°CSurface Mount14-WFDFN Exposed Pad14-TDFN-EP (3x3)
DS1343D-33+T&R DS1343D-33+T&R Maxim Integrated IC RTC CLK/CAL SPI 14-TDFN-EP Digi-Reel®-Clock/CalendarAlarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger96BHH:MM:SS (12/24 hr)YY-MM-DD-ddSPI3 V ~ 5.5 V1.3 V ~ 5.5 V120µA ~ 160µA @ 3.63V ~ 5.5V-40°C ~ 85°CSurface Mount14-WFDFN Exposed Pad14-TDFN-EP (3x3)
DS1343D-3+T&R DS1343D-3+T&R Maxim Integrated IC RTC CLK/CAL SPI 14-TDFN-EP Tape & Reel (TR)-Clock/CalendarAlarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger96BHH:MM:SS (12/24 hr)YY-MM-DD-ddSPI2.7 V ~ 5.5 V1.3 V ~ 5.5 V--40°C ~ 85°CSurface Mount14-WFDFN Exposed Pad14-TDFN-EP (3x3)
DS1343D-3+T&R DS1343D-3+T&R Maxim Integrated IC RTC CLK/CAL SPI 14-TDFN-EP Cut Tape (CT)-Clock/CalendarAlarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger96BHH:MM:SS (12/24 hr)YY-MM-DD-ddSPI2.7 V ~ 5.5 V1.3 V ~ 5.5 V--40°C ~ 85°CSurface Mount14-WFDFN Exposed Pad14-TDFN-EP (3x3)
DS1343D-3+T&R DS1343D-3+T&R Maxim Integrated IC RTC CLK/CAL SPI 14-TDFN-EP Digi-Reel®-Clock/CalendarAlarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger96BHH:MM:SS (12/24 hr)YY-MM-DD-ddSPI2.7 V ~ 5.5 V1.3 V ~ 5.5 V--40°C ~ 85°CSurface Mount14-WFDFN Exposed Pad14-TDFN-EP (3x3)
ISL12024IBZ ISL12024IBZ Intersil IC RTC CLK/CALENDAR I2C 8-SOIC Tube-Clock/CalendarAlarm, Leap Year, Unique ID-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V1.8 V ~ 5.5 V10µA ~ 20µA @ 2.7V ~ 5.5V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
ISL12027IB27Z ISL12027IB27Z Intersil IC RTC CLK/CALENDAR I2C 8-SOIC Tube-Clock/CalendarAlarm, Leap Year, Supervisor, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V1.8 V ~ 5.5 V10µA ~ 20µA @ 2.7V ~ 5.5V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
ISL12028IV27Z-T ISL12028IV27Z-T Intersil IC RTC CLK/CALENDAR I2C 14-TSSOP Tape & Reel (TR)-Clock/CalendarAlarm, Leap Year, Supervisor, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V1.8 V ~ 5.5 V10µA ~ 20µA @ 2.7V ~ 5.5V-40°C ~ 85°CSurface Mount14-TSSOP (0.173", 4.40mm Width)14-TSSOP
ISL12028IV27Z-T ISL12028IV27Z-T Intersil IC RTC CLK/CALENDAR I2C 14-TSSOP Cut Tape (CT)-Clock/CalendarAlarm, Leap Year, Supervisor, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V1.8 V ~ 5.5 V10µA ~ 20µA @ 2.7V ~ 5.5V-40°C ~ 85°CSurface Mount14-TSSOP (0.173", 4.40mm Width)14-TSSOP
ISL12028IV27Z-T ISL12028IV27Z-T Intersil IC RTC CLK/CALENDAR I2C 14-TSSOP Digi-Reel®-Clock/CalendarAlarm, Leap Year, Supervisor, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V1.8 V ~ 5.5 V10µA ~ 20µA @ 2.7V ~ 5.5V-40°C ~ 85°CSurface Mount14-TSSOP (0.173", 4.40mm Width)14-TSSOP
BQ3285P-SB2 BQ3285P-SB2 Texas Instruments IC RTC CLK/CALENDAR PAR 24-DIP 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 V*0°C ~ 70°CThrough Hole24-DIP (0.600", 15.24mm)24-PDIP
BQ3285EP BQ3285EP Texas Instruments IC RTC CLK/CALENDAR PAR 24-DIP Tube-Clock/CalendarAlarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output242BHH:MM:SS (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V2.5 V ~ 4 V300µA @ 5V0°C ~ 70°CThrough Hole24-DIP (0.600", 15.24mm)24-PDIP
BQ4845P-A4 BQ4845P-A4 Texas Instruments IC RTC CLK/CALENDAR PAR 28-DIP Tube-Clock/CalendarAlarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddParallel4.75 V ~ 5.5 V2.3 V ~ 4 V*0°C ~ 70°CThrough Hole28-DIP (0.600", 15.24mm)28-PDIP
BQ3285LDSS BQ3285LDSS Texas Instruments IC RTC CLK/CALENDAR PAR 24-QSOP Tube-Clock/CalendarAlarm, Daylight Savings, NVSRAM242BHH:MM:SS (12/24 hr)YY-MM-DD-ddParallel2.7 V ~ 5.5 V2.4 V ~ 4 V100µA @ 3V0°C ~ 70°CSurface Mount24-SSOP (0.154", 3.90mm Width)24-SSOP/QSOP
BQ3285ESS BQ3285ESS Texas Instruments IC RTC CLK/CALENDAR PAR 24-QSOP Tube-Clock/CalendarAlarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output242BHH:MM:SS (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V2.5 V ~ 4 V300µA @ 5V0°C ~ 70°CSurface Mount24-SSOP (0.154", 3.90mm Width)24-SSOP/QSOP
BQ3285S-SB2 BQ3285S-SB2 Texas Instruments IC RTC CLK/CALENDAR PAR 24-SOP 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 V*0°C ~ 70°CSurface Mount24-SOIC (0.295", 7.50mm Width)24-SOIC
BQ3285LFSS-A1 BQ3285LFSS-A1 Texas Instruments IC RTC CLK/CALENDAR PAR 24-QSOP Tube-Clock/CalendarAlarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output242BHH:MM:SS (12/24 hr)YY-MM-DD-ddParallel2.7 V ~ 5.5 V2.4 V ~ 4 V100µA @ 3V0°C ~ 70°CSurface Mount24-SSOP (0.154", 3.90mm Width)24-SSOP/QSOP
BQ4285EP BQ4285EP Texas Instruments IC RTC CLK/CALENDAR PAR 24-DIP 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 V*0°C ~ 70°CThrough Hole24-DIP (0.600", 15.24mm)24-PDIP
BQ4285P-SB2 BQ4285P-SB2 Texas Instruments IC RTC CLK/CALENDAR PAR 24-DIP 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 V*0°C ~ 70°CThrough Hole24-DIP (0.600", 15.24mm)24-PDIP
BQ4845S-A4 BQ4845S-A4 Texas Instruments IC RTC CLK/CALENDAR PAR 28-SOIC Tube-Clock/CalendarAlarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddParallel4.75 V ~ 5.5 V2.3 V ~ 4 V*0°C ~ 70°CSurface Mount28-SOIC (0.295", 7.50mm Width)28-SOIC
BQ4845YS-A4N BQ4845YS-A4N Texas Instruments IC RTC CLK/CALENDAR PAR 28-SOIC Tube-Clock/CalendarAlarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V2.3 V ~ 4 V*-40°C ~ 85°CSurface Mount28-SOIC (0.295", 7.50mm Width)28-SOIC
BQ4285S-SB2 BQ4285S-SB2 Texas Instruments IC RTC CLK/CALENDAR PAR 24-SOP 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 V*0°C ~ 70°CSurface Mount24-SOIC (0.295", 7.50mm Width)24-SOIC
BQ4802YPW BQ4802YPW Texas Instruments IC RTC CLK/CALENDAR PAR 28-TSSOP Tube-Clock/CalendarAlarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V2.4 V ~ 4 V*0°C ~ 70°CSurface Mount28-TSSOP (0.173", 4.40mm Width)28-TSSOP
DS1685QN-3+ DS1685QN-3+ Maxim Integrated IC RTC CLK/CALENDAR PAR 28-PLCC 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 Mount28-LCC (J-Lead)28-PLCC (11.51x11.51)
M41ST85WMH6F M41ST85WMH6F STMicroelectronics IC RTC CLK/CALENDAR I2C 28-SOIC Tape & Reel (TR)-Clock/CalendarAlarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer44BHH:MM:SS:hh (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 3.6 V2.5 V ~ 3.5 V0.5mA @ 2.7V ~ 3.6V-40°C ~ 85°CSurface Mount28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets28-SOH
M41ST85WMH6F M41ST85WMH6F STMicroelectronics IC RTC CLK/CALENDAR I2C 28-SOIC Cut Tape (CT)-Clock/CalendarAlarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer44BHH:MM:SS:hh (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 3.6 V2.5 V ~ 3.5 V0.5mA @ 2.7V ~ 3.6V-40°C ~ 85°CSurface Mount28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets28-SOH
M41ST85WMH6F M41ST85WMH6F STMicroelectronics IC RTC CLK/CALENDAR I2C 28-SOIC Digi-Reel®-Clock/CalendarAlarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer44BHH:MM:SS:hh (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 3.6 V2.5 V ~ 3.5 V0.5mA @ 2.7V ~ 3.6V-40°C ~ 85°CSurface Mount28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets28-SOH
M48T201Y-70MH1F M48T201Y-70MH1F STMicroelectronics IC RTC CLK/CALENDAR PAR 44-SOH Tape & Reel (TR)Timekeeper®Clock/CalendarAlarm, Leap Year, Square Wave Output, Supervisor, Watchdog Timer, Y2K-HH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V3V3mA @ 4.5V ~ 5.5V0°C ~ 70°CSurface Mount44-BSOP (0.337", 8.56mm Width) requires SNAPHAT44-SOH
M48T201Y-70MH1F M48T201Y-70MH1F STMicroelectronics IC RTC CLK/CALENDAR PAR 44-SOH Cut Tape (CT)Timekeeper®Clock/CalendarAlarm, Leap Year, Square Wave Output, Supervisor, Watchdog Timer, Y2K-HH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V3V3mA @ 4.5V ~ 5.5V0°C ~ 70°CSurface Mount44-BSOP (0.337", 8.56mm Width) requires SNAPHAT44-SOH
M48T201Y-70MH1F M48T201Y-70MH1F STMicroelectronics IC RTC CLK/CALENDAR PAR 44-SOH Digi-Reel®Timekeeper®Clock/CalendarAlarm, Leap Year, Square Wave Output, Supervisor, Watchdog Timer, Y2K-HH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V3V3mA @ 4.5V ~ 5.5V0°C ~ 70°CSurface Mount44-BSOP (0.337", 8.56mm Width) requires SNAPHAT44-SOH
CDP68HC68T1E CDP68HC68T1E Intersil IC RTC CLK/CALENDAR SPI 16-DIP 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°CThrough Hole16-DIP (0.300", 7.62mm)16-PDIP
KR3225Y32768EAW30TAA KR3225Y32768EAW30TAA AVX Corp/Kyocera Corp IC RTC CLK/CALENDAR I2C SMD Tape & Reel (TR)-Clock/CalendarAlarm-HH:MM:SSYY-MM-DD-ddI²C, 2-Wire Serial1.3 V ~ 5.5 V-2µA @ 3V-40°C ~ 85°CSurface Mount8-SMDSMD
KR3225Y32768EAW30TAA KR3225Y32768EAW30TAA AVX Corp/Kyocera Corp IC RTC CLK/CALENDAR I2C SMD Cut Tape (CT)-Clock/CalendarAlarm-HH:MM:SSYY-MM-DD-ddI²C, 2-Wire Serial1.3 V ~ 5.5 V-2µA @ 3V-40°C ~ 85°CSurface Mount8-SMDSMD
KR3225Y32768EAW30TAA KR3225Y32768EAW30TAA AVX Corp/Kyocera Corp IC RTC CLK/CALENDAR I2C SMD Digi-Reel®-Clock/CalendarAlarm-HH:MM:SSYY-MM-DD-ddI²C, 2-Wire Serial1.3 V ~ 5.5 V-2µA @ 3V-40°C ~ 85°CSurface Mount8-SMDSMD
BQ4802YDWR BQ4802YDWR Texas Instruments IC RTC CLK/CALENDAR PAR 28-SOIC Tape & Reel (TR)-Clock/CalendarAlarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V2.4 V ~ 4 V*0°C ~ 70°CSurface Mount28-SOIC (0.295", 7.50mm Width)28-SOIC
BQ4802YDWR BQ4802YDWR Texas Instruments IC RTC CLK/CALENDAR PAR 28-SOIC Cut Tape (CT)-Clock/CalendarAlarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V2.4 V ~ 4 V*0°C ~ 70°CSurface Mount28-SOIC (0.295", 7.50mm Width)28-SOIC
BQ4802YDWR BQ4802YDWR Texas Instruments IC RTC CLK/CALENDAR PAR 28-SOIC Digi-Reel®-Clock/CalendarAlarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V2.4 V ~ 4 V*0°C ~ 70°CSurface Mount28-SOIC (0.295", 7.50mm Width)28-SOIC
PCF85063BTL/1,118 PCF85063BTL/1,118 NXP Semiconductors IC RTC CLK/CALENDAR SPI 10-HXSON Tape & Reel (TR)-Clock/CalendarAlarm, Leap Year, Square Wave Output-HH:MM:SS (12/24 hr)YY-MM-DD-ddSPI0.9 V ~ 5.5 V-0.45µA ~ 0.6µA @ 3.3V-40°C ~ 85°CSurface Mount10-XFDFN Exposed Pad10-DFN (2.6x2.6)
PCF85063BTL/1,118 PCF85063BTL/1,118 NXP Semiconductors IC RTC CLK/CALENDAR SPI 10-HXSON Cut Tape (CT)-Clock/CalendarAlarm, Leap Year, Square Wave Output-HH:MM:SS (12/24 hr)YY-MM-DD-ddSPI0.9 V ~ 5.5 V-0.45µA ~ 0.6µA @ 3.3V-40°C ~ 85°CSurface Mount10-XFDFN Exposed Pad10-DFN (2.6x2.6)
PCF85063BTL/1,118 PCF85063BTL/1,118 NXP Semiconductors IC RTC CLK/CALENDAR SPI 10-HXSON Digi-Reel®-Clock/CalendarAlarm, Leap Year, Square Wave Output-HH:MM:SS (12/24 hr)YY-MM-DD-ddSPI0.9 V ~ 5.5 V-0.45µA ~ 0.6µA @ 3.3V-40°C ~ 85°CSurface Mount10-XFDFN Exposed Pad10-DFN (2.6x2.6)
ISL12032IVZ-T ISL12032IVZ-T Intersil IC RTC EVENT REC I2C 14-TSSOP Tape & Reel (TR)-Time Event RecorderAlarm, SRAM, Trickle-Charger128BHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V1.8 V ~ 5.5 V18µA @ 5.5V-40°C ~ 85°CSurface Mount14-TSSOP (0.173", 4.40mm Width)14-TSSOP
ISL12032IVZ-T ISL12032IVZ-T Intersil IC RTC EVENT REC I2C 14-TSSOP Cut Tape (CT)-Time Event RecorderAlarm, SRAM, Trickle-Charger128BHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V1.8 V ~ 5.5 V18µA @ 5.5V-40°C ~ 85°CSurface Mount14-TSSOP (0.173", 4.40mm Width)14-TSSOP
ISL12032IVZ-T ISL12032IVZ-T Intersil IC RTC EVENT REC I2C 14-TSSOP Digi-Reel®-Time Event RecorderAlarm, SRAM, Trickle-Charger128BHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V1.8 V ~ 5.5 V18µA @ 5.5V-40°C ~ 85°CSurface Mount14-TSSOP (0.173", 4.40mm Width)14-TSSOP
M41T00AUDD1F M41T00AUDD1F STMicroelectronics IC RTC CLK/CALENDAR I2C 16-DFN Tape & Reel (TR)-Clock/CalendarAudio, Leap Year, Trickle-Charger-HH:MM:SS (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial3 V ~ 3.6 V1.7 V ~ 3.6 V14.3mA @ 3V ~ 3.6V0°C ~ 70°CSurface Mount16-VFDFN Exposed Pad16-DFN (5x4)
M41T00AUDD1F M41T00AUDD1F STMicroelectronics IC RTC CLK/CALENDAR I2C 16-DFN Cut Tape (CT)-Clock/CalendarAudio, Leap Year, Trickle-Charger-HH:MM:SS (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial3 V ~ 3.6 V1.7 V ~ 3.6 V14.3mA @ 3V ~ 3.6V0°C ~ 70°CSurface Mount16-VFDFN Exposed Pad16-DFN (5x4)
M41T00AUDD1F M41T00AUDD1F STMicroelectronics IC RTC CLK/CALENDAR I2C 16-DFN Digi-Reel®-Clock/CalendarAudio, Leap Year, Trickle-Charger-HH:MM:SS (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial3 V ~ 3.6 V1.7 V ~ 3.6 V14.3mA @ 3V ~ 3.6V0°C ~ 70°CSurface Mount16-VFDFN Exposed Pad16-DFN (5x4)
M41T64Q6F M41T64Q6F STMicroelectronics IC RTC CLK/CALENDAR I2C 16-QFN 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 Mount16-VFQFN Exposed Pad16-QFN (3x3)
M41T64Q6F M41T64Q6F STMicroelectronics IC RTC CLK/CALENDAR I2C 16-QFN 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 Mount16-VFQFN Exposed Pad16-QFN (3x3)
M41T64Q6F M41T64Q6F STMicroelectronics IC RTC CLK/CALENDAR I2C 16-QFN 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 Mount16-VFQFN Exposed Pad16-QFN (3x3)
ISL12057IRUZ-T ISL12057IRUZ-T Intersil IC RTC CLK/CALENDAR I2C 8-UTDFN Tape & Reel (TR)-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-UFDFN8-µTDFN (2x2)
ISL12057IRUZ-T ISL12057IRUZ-T Intersil IC RTC CLK/CALENDAR I2C 8-UTDFN Cut Tape (CT)-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-UFDFN*
ISL12030IBZ-T ISL12030IBZ-T Intersil IC RTC CLK/CALENDAR I2C 8-SOIC Tape & Reel (TR)-Clock/CalendarAlarm, Daylight Savings, SRAM128BHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V-18µA @ 5.5V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
ISL12030IBZ-T ISL12030IBZ-T Intersil IC RTC CLK/CALENDAR I2C 8-SOIC Cut Tape (CT)-Clock/CalendarAlarm, Daylight Savings, SRAM128BHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V-18µA @ 5.5V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
ISL12030IBZ-T ISL12030IBZ-T Intersil IC RTC CLK/CALENDAR I2C 8-SOIC Digi-Reel®-Clock/CalendarAlarm, Daylight Savings, SRAM128BHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V-18µA @ 5.5V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
ISL12082IB8Z ISL12082IB8Z Intersil IC RTC CLK/CALENDAR I2C 8-SOIC Tube-Clock/CalendarAlarm, Leap Year, Watchdog Timer-HH:MM:SS:hh (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
PCF2129AT/2,518 PCF2129AT/2,518 NXP Semiconductors IC RTC CLK/CAL I2C/SPI 20-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 Mount20-SOIC (0.295", 7.50mm Width)20-SO
PCF2129AT/2,518 PCF2129AT/2,518 NXP Semiconductors IC RTC CLK/CAL I2C/SPI 20-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 Mount20-SOIC (0.295", 7.50mm Width)20-SO
PCF2129AT/2,518 PCF2129AT/2,518 NXP Semiconductors IC RTC CLK/CAL I2C/SPI 20-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 Mount20-SOIC (0.295", 7.50mm Width)20-SO
ISL1208IRT8Z ISL1208IRT8Z Intersil IC RTC CLK/CALENDAR I2C 8-TDFN 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-WDFN Exposed Pad8-TDFN (3x3)
ISL1208IU8Z-T7A ISL1208IU8Z-T7A Intersil IC RTC CLK/CALENDAR I2C 8-MSOP 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-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-MSOP
ISL1208IU8Z-T7A ISL1208IU8Z-T7A Intersil IC RTC CLK/CALENDAR I2C 8-MSOP 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-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-MSOP
ISL1208IU8Z-T7A ISL1208IU8Z-T7A Intersil IC RTC CLK/CALENDAR I2C 8-MSOP 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-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-MSOP
ISL1209IU10Z ISL1209IU10Z Intersil IC RTC EVENT REC I2C 10-MSOP Tube-Time Event RecorderAlarm, 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 Mount10-TFSOP, 10-MSOP (0.118", 3.00mm Width)10-MSOP
ISL1219IUZ ISL1219IUZ Intersil IC RTC EVENT REC I2C 10-MSOP Tube-Time Event RecorderAlarm, 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 Mount10-TFSOP, 10-MSOP (0.118", 3.00mm Width)10-MSOP
ISL12026AIBZ ISL12026AIBZ 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 Serial2.7 V ~ 5.5 V1.8 V ~ 5.5 V10µA ~ 20µA @ 2.7V ~ 5.5V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
DS1344D-18+T&R DS1344D-18+T&R Maxim Integrated IC RTC CLK/CAL SPI 14-TDFN-EP Tape & Reel (TR)-Clock/CalendarAlarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger96BHH:MM:SS (12/24 hr)YY-MM-DD-ddSPI1.71 V ~ 5.5 V1.3 V ~ 5.5 V--40°C ~ 85°CSurface Mount14-WFDFN Exposed Pad14-TDFN-EP (3x3)
DS1344D-18+T&R DS1344D-18+T&R Maxim Integrated IC RTC CLK/CAL SPI 14-TDFN-EP Cut Tape (CT)-Clock/CalendarAlarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger96BHH:MM:SS (12/24 hr)YY-MM-DD-ddSPI1.71 V ~ 5.5 V1.3 V ~ 5.5 V--40°C ~ 85°CSurface Mount14-WFDFN Exposed Pad14-TDFN-EP (3x3)
DS1344D-18+T&R DS1344D-18+T&R Maxim Integrated IC RTC CLK/CAL SPI 14-TDFN-EP Digi-Reel®-Clock/CalendarAlarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger96BHH:MM:SS (12/24 hr)YY-MM-DD-ddSPI1.71 V ~ 5.5 V1.3 V ~ 5.5 V--40°C ~ 85°CSurface Mount14-WFDFN Exposed Pad14-TDFN-EP (3x3)
ISL12029IB27AZ ISL12029IB27AZ Intersil IC RTC CLK/CALENDAR I2C 14-SOIC Tube-Clock/CalendarAlarm, Leap Year, Supervisor, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V1.8 V ~ 5.5 V10µA ~ 20µA @ 2.7V ~ 5.5V-40°C ~ 85°CSurface Mount14-SOIC (0.154", 3.90mm Width)14-SOICN
ISL12028AIB27Z ISL12028AIB27Z Intersil IC RTC CLK/CALENDAR I2C 14-SOIC Tube-Clock/CalendarAlarm, Leap Year, Supervisor, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V1.8 V ~ 5.5 V10µA ~ 20µA @ 2.7V ~ 5.5V-40°C ~ 85°CSurface Mount14-SOIC (0.154", 3.90mm Width)14-SOIC
ISL12029AIV27Z ISL12029AIV27Z Intersil IC RTC CLK/CALENDAR I2C 14-TSSOP Tube-Clock/CalendarAlarm, Leap Year, Supervisor, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V1.8 V ~ 5.5 V10µA ~ 20µA @ 2.7V ~ 5.5V-40°C ~ 85°CSurface Mount14-TSSOP (0.173", 4.40mm Width)14-TSSOP
ISL12027AIB27Z ISL12027AIB27Z Intersil IC RTC CLK/CALENDAR I2C 8-SOIC Tube-Clock/CalendarAlarm, Leap Year, Supervisor, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V1.8 V ~ 5.5 V10µA ~ 20µA @ 2.7V ~ 5.5V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
ISL12029AIB27Z ISL12029AIB27Z Intersil IC RTC CLK/CALENDAR I2C 14-SOIC Tube-Clock/CalendarAlarm, Leap Year, Supervisor, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V1.8 V ~ 5.5 V10µA ~ 20µA @ 2.7V ~ 5.5V-40°C ~ 85°CSurface Mount14-SOIC (0.154", 3.90mm Width)14-SOICN
ISL12029IB27Z ISL12029IB27Z Intersil IC RTC CLK/CALENDAR I2C 14-SOIC Tube-Clock/CalendarAlarm, Leap Year, Supervisor, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V1.8 V ~ 5.5 V10µA ~ 20µA @ 2.7V ~ 5.5V-40°C ~ 85°CSurface Mount14-SOIC (0.154", 3.90mm Width)14-SOICN
ISL12025IBZ ISL12025IBZ Intersil IC RTC CLK/CALENDAR I2C 8-SOIC Tube-Clock/CalendarAlarm, Leap Year, Supervisor, Unique ID, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V1.8 V ~ 5.5 V10µA ~ 20µA @ 2.7V ~ 5.5V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
RX-5412SF: B3 PURE SN RX-5412SF: B3 PURE SN EPSON IC RTC EVENT REC SPI 24-SOP Tape & Reel (TR)-Time Event RecorderAlarm, Leap Year, SRAM, Watchdog Timer-HH:MM:SS (24 hr)YY-MM-DD-ddSPI2.5 V ~ 5.5 V1.4 V ~ 5.5 V1µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount24-SOP (0.209", 5.30mm Width)24-SOP
RX-5412SF: B3 PURE SN RX-5412SF: B3 PURE SN EPSON IC RTC EVENT REC SPI 24-SOP Cut Tape (CT)-Time Event RecorderAlarm, Leap Year, SRAM, Watchdog Timer-HH:MM:SS (24 hr)YY-MM-DD-ddSPI2.5 V ~ 5.5 V1.4 V ~ 5.5 V1µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount24-SOP (0.209", 5.30mm Width)24-SOP
RX-5412SF: B3 PURE SN RX-5412SF: B3 PURE SN EPSON IC RTC EVENT REC SPI 24-SOP Digi-Reel®-Time Event RecorderAlarm, Leap Year, SRAM, Watchdog Timer-HH:MM:SS (24 hr)YY-MM-DD-ddSPI2.5 V ~ 5.5 V1.4 V ~ 5.5 V1µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount24-SOP (0.209", 5.30mm Width)24-SOP
M48T37Y-70MH1F M48T37Y-70MH1F STMicroelectronics IC RTC CLK/CALENDAR PAR 44-SOH Tape & Reel (TR)Timekeeper®Clock/CalendarAlarm, Leap Year, Watchdog Timer-HH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V-3mA @ 4.5V ~ 5.5V0°C ~ 70°CSurface Mount44-BSOP (0.337", 8.56mm Width) requires SNAPHAT44-SOH
M48T37Y-70MH1F M48T37Y-70MH1F STMicroelectronics IC RTC CLK/CALENDAR PAR 44-SOH Cut Tape (CT)Timekeeper®Clock/CalendarAlarm, Leap Year, Watchdog Timer-HH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V-3mA @ 4.5V ~ 5.5V0°C ~ 70°CSurface Mount44-BSOP (0.337", 8.56mm Width) requires SNAPHAT44-SOH
M48T37Y-70MH1F M48T37Y-70MH1F STMicroelectronics IC RTC CLK/CALENDAR PAR 44-SOH Digi-Reel®Timekeeper®Clock/CalendarAlarm, Leap Year, Watchdog Timer-HH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V-3mA @ 4.5V ~ 5.5V0°C ~ 70°CSurface Mount44-BSOP (0.337", 8.56mm Width) requires SNAPHAT44-SOH
MCP79412-I/SN MCP79412-I/SN Microchip Technology IC RTC CLK/CALENDAR I2C 8-SOIC 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 @ 3.3V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC N
DS1337U+ DS1337U+ Maxim Integrated IC RTC CLK/CALENDAR I2C 8-USOP 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-0.6µA @ 1.3V ~ 1.8V-40°C ~ 85°CSurface Mount8-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-uMAX
DS17287-5+ DS17287-5+ Maxim Integrated IC RTC CLK/CALENDAR PAR 24-EDIP Tube-Clock/CalendarAlarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output2KBHH:MM:SS (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V2.5 V ~ 3.7 V3mA @ 4.5V ~ 5.5V0°C ~ 70°CThrough Hole24-DIP Module (0.600", 15.24mm)24-EDIP
DS1511W+ DS1511W+ Maxim Integrated IC RTC CLK/CALENDAR PAR 28-EDIP Tube-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 ~ 3.6V0°C ~ 70°CThrough Hole28-DIP Module (0.600", 15.24mm)28-EDIP
MCP7940M-I/SN MCP7940M-I/SN Microchip Technology IC RTC CLK/CALENDAR I2C 8-SOIC 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 V-1µA @ 5.5V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC N
MCP7940M-I/P MCP7940M-I/P Microchip Technology IC RTC CLK/CALENDAR I2C 8-PDIP 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 V-1µA @ 5.5V-40°C ~ 85°CThrough Hole8-DIP (0.300", 7.62mm)8-PDIP
MCP7940N-I/ST MCP7940N-I/ST Microchip Technology IC RTC CLK/CALENDAR I2C 8-TSSOP 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 ~ 85°CSurface Mount8-TSSOP (0.173", 4.40mm Width)8-TSSOP
MCP7940N-E/SN MCP7940N-E/SN Microchip Technology IC RTC CLK/CALENDAR I2C 8-SOIC 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-SOIC (0.154", 3.90mm Width)8-SOIC N
MCP7940N-I/P MCP7940N-I/P Microchip Technology IC RTC CLK/CALENDAR I2C 8-PDIP 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 ~ 85°CThrough Hole8-DIP (0.300", 7.62mm)8-PDIP
MCP79402-I/SN MCP79402-I/SN Microchip Technology IC RTC CLK/CALENDAR I2C 8-SOIC 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-SOIC (0.154", 3.90mm Width)8-SOIC N
MCP79401-I/SN MCP79401-I/SN Microchip Technology IC RTC CLK/CALENDAR I2C 8-SOIC 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-SOIC (0.154", 3.90mm Width)8-SOIC N
MCP79410-I/ST MCP79410-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 @ 3.3V-40°C ~ 85°CSurface Mount8-TSSOP (0.173", 4.40mm Width)8-TSSOP
MCP79511-I/MS MCP79511-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
DS1337+ DS1337+ Maxim Integrated IC RTC CLK/CALENDAR I2C 8-DIP 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-0.6µA @ 1.3V ~ 1.8V-40°C ~ 85°CThrough Hole8-DIP (0.300", 7.62mm)8-PDIP
DS1394U-33+ DS1394U-33+ Maxim Integrated IC RTC CLK/CALENDAR SPI 10-MSOP Tube-Clock/CalendarAlarm, Leap Year, Square Wave Output, Trickle-Charger-HH:MM:SS:hh (12/24 hr)YY-MM-DD-ddSPI2.97 V ~ 5.5 V1.3 V ~ 5.5 V175µA @ 2.97V ~ 5.5V-40°C ~ 85°CSurface Mount10-TFSOP, 10-MSOP (0.118", 3.00mm Width)10-uMAX
DS1307N+ DS1307N+ Maxim Integrated IC RTC CLK/CALENDAR I2C 8-DIP Tube-Clock/CalendarLeap Year, NVSRAM, Square Wave Output56BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial4.5 V ~ 5.5 V2 V ~ 3.5 V200µA @ 5V-40°C ~ 85°CThrough Hole8-DIP (0.300", 7.62mm)8-PDIP
DS12C887A+ DS12C887A+ Maxim Integrated IC RTC CLK/CALENDAR PAR 24-EDIP Tube-Clock/CalendarAlarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output113BHH:MM:SS (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V2.5 V ~ 4 V15mA @ 4.5V ~ 5.5V0°C ~ 70°CThrough Hole24-DIP Module (0.600", 15.24mm)24-EDIP
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