Part Number Manufacturer / Brand Brife Description Part StatusTypeFeaturesMemory SizeTime FormatDate FormatInterfaceVoltage - SupplyVoltage - Supply, BatteryCurrent - Timekeeping (Max)Operating TemperatureMounting TypePackage / CaseSupplier Device Package
Texas Instruments IC RTC CLOCK/CALENDAR I2C 8-SOIC ActiveClock/CalendarLeap Year, Square Wave Output, Trickle-Charger
-
HH:MM:SS (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial3 V ~ 3.6 V1.4 V ~ 3.6 V100µA @ 3.3V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
Texas Instruments IC RTC CLOCK/CALENDAR I2C 8-SOIC ActiveClock/CalendarLeap Year, Square Wave Output, Trickle-Charger
-
HH:MM:SS (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial3 V ~ 3.6 V1.4 V ~ 3.6 V100µA @ 3.3V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
Texas Instruments IC RTC CLOCK/CALENDAR I2C 8-SOIC ActiveClock/CalendarLeap Year, Square Wave Output, Trickle-Charger
-
HH:MM:SS (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial3 V ~ 3.6 V1.4 V ~ 3.6 V65µA @ 3.3V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
Maxim Integrated IC RTC PHANTOM PAR 16-DIP ActivePhantom Time ChipLeap Year
-
HH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel3 V ~ 3.6 V2.5 V ~ 3.7 V1.1mA @ 3.3V0°C ~ 70°CThrough Hole16-DIP (0.300", 7.62mm)16-PDIP
Maxim Integrated IC RTC PHANTOM PAR 20-TSSOP ActivePhantom Time ChipLeap Year
-
HH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel3 V ~ 3.6 V2.5 V ~ 3.7 V1.1mA @ 3.3V-40°C ~ 85°CSurface Mount20-TSSOP (0.173", 4.40mm Width)20-TSSOP
Maxim Integrated IC RTC PHANTOM PAR 16-SOIC ActivePhantom Time ChipLeap Year
-
HH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel3 V ~ 3.6 V2.5 V ~ 3.7 V1.1mA @ 3.3V0°C ~ 70°CSurface Mount16-SOIC (0.295", 7.50mm Width)16-SOIC
Maxim Integrated IC RTC PHANTOM PAR 16-SOIC ActivePhantom Time ChipLeap Year
-
HH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel3 V ~ 3.6 V2.5 V ~ 3.7 V1.1mA @ 3.3V0°C ~ 70°CSurface Mount16-SOIC (0.295", 7.50mm Width)16-SOIC
Maxim Integrated IC RTC ELAPSED CNT PAR 24-TSSOP ActiveElapsed Time CounterAlarm, Square Wave Output
-
BinaryBinaryParallel3 V ~ 3.6 V1.6 V ~ 3.7 V150µA @ 3V ~ 3.6V-40°C ~ 85°CSurface Mount24-TSSOP (0.173", 4.40mm Width)24-TSSOP
Maxim Integrated IC RTC CLOCK/CALENDAR PAR 32-TSOP ObsoleteClock/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°CSurface Mount32-LFSOP (0.724", 18.40mm Width)32-TSOP
Maxim Integrated IC RTC CLOCK/CALENDAR PAR 28-SOIC ObsoleteClock/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°CSurface Mount28-SOIC (0.295", 7.50mm Width)28-SOIC
Maxim Integrated IC RTC CLOCK/CALENDAR PAR 28-SOIC ObsoleteClock/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 Mount28-SOIC (0.295", 7.50mm Width)28-SOIC
Maxim Integrated IC RTC CLOCK/CALENDAR PAR 28-SOIC ActiveClock/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°CSurface Mount28-SOIC (0.295", 7.50mm Width)28-SOIC
Maxim Integrated IC RTC CLOCK/CALENDAR PAR 28-SOIC ActiveClock/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 Mount28-SOIC (0.295", 7.50mm Width)28-SOIC
Maxim Integrated IC RTC CLOCK/CALENDAR PAR 28-EDIP ObsoleteClock/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
Maxim Integrated IC RTC CLOCK/CALENDAR PAR 28-EDIP ActiveClock/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
STMicroelectronics IC RTC CLOCK/CALENDAR I2C 16-DFN ActiveClock/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)
STMicroelectronics IC RTC PHANTOM SER 28-SOIC ObsoletePhantom 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
STMicroelectronics IC RTC CLOCK/CALENDAR PAR 32-DIP ObsoleteClock/CalendarAlarm, Leap Year, Watchdog Timer
-
HH:MM:SS (24 hr)YY-MM-DD-ddParallel3 V ~ 3.6 V
-
3mA @ 3V ~ 3.6V0°C ~ 70°CThrough Hole32-DIP Module (0.600", 15.24mm)32-PMDIP
STMicroelectronics IC RTC CLOCK/CALENDAR PAR 44-SOH ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, Supervisor, Watchdog Timer, Y2K
-
HH:MM:SS (24 hr)YY-MM-DD-ddParallel3 V ~ 3.6 V3V2mA @ 3V ~ 3.6V0°C ~ 70°CSurface Mount44-BSOP (0.337", 8.56mm Width) requires SNAPHAT44-SOH
STMicroelectronics IC RTC CLOCK/CALENDAR PAR 28SOH ObsoleteClock/CalendarLeap Year
-
HH:MM:SS (24 hr)YY-MM-DD-ddParallel3 V ~ 3.6 V
-
2mA @ 3V ~ 3.6V0°C ~ 70°CSurface Mount28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets28-SOH
STMicroelectronics IC RTC CLOCK/CALENDAR PAR 28SOH ActiveClock/CalendarLeap Year
-
HH:MM:SS (24 hr)YY-MM-DD-ddParallel3 V ~ 3.6 V
-
2mA @ 3V ~ 3.6V0°C ~ 70°CSurface Mount28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets28-SOH
STMicroelectronics IC RTC CLOCK/CALENDAR PAR 44-SOH ActiveClock/CalendarAlarm, Leap Year, Watchdog Timer
-
HH:MM:SS (24 hr)YY-MM-DD-ddParallel3 V ~ 3.6 V
-
2mA @ 3V ~ 3.6V0°C ~ 70°CSurface Mount44-BSOP (0.337", 8.56mm Width) requires SNAPHAT44-SOH
STMicroelectronics IC RTC CLOCK/CALENDAR PAR 44-SOH ObsoleteClock/CalendarAlarm, Leap Year, Watchdog Timer
-
HH:MM:SS (24 hr)YY-MM-DD-ddParallel3 V ~ 3.6 V
-
2mA @ 3V ~ 3.6V-40°C ~ 85°CSurface Mount44-BSOP (0.337", 8.56mm Width) requires SNAPHAT44-SOH