Part Number Manufacturer / Brand Brife Description Part StatusTypeFeaturesMemory SizeTime FormatDate FormatInterfaceVoltage - SupplyVoltage - Supply, BatteryCurrent - Timekeeping (Max)Operating TemperatureMounting TypePackage / CaseSupplier Device Package
Renesas Electronics America Inc. IC RTC CLOCK/CALENDAR SPI 16-DIP ObsoleteClock/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
Renesas Electronics America Inc. IC RTC CLOCK/CALENDAR SPI 16-DIP ActiveClock/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
Renesas Electronics America Inc. IC RTC CLOCK/CALENDAR SPI 20-SOIC ObsoleteClock/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
Renesas Electronics America Inc. IC RTC CLOCK/CALENDAR SPI 16-SOIC ObsoleteClock/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 Mount16-SOIC (0.295", 7.50mm Width)16-SOIC
Renesas Electronics America Inc. IC RTC CLOCK/CALENDAR SPI 16-SOIC ActiveClock/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 Mount16-SOIC (0.295", 7.50mm Width)16-SOIC
Maxim Integrated IC RTC CLOCK/CALENDAR SPI 20-TSSOP ObsoleteClock/CalendarAlarm, Leap Year, NVSRAM, Trickle-Charger96BHH:MM:SS (12/24 hr)YY-MM-DD-ddSPI2 V ~ 5.5 V2 V ~ 5.5 V25.3µA ~ 81µA @ 2V ~ 5V0°C ~ 70°CSurface Mount20-TSSOP (0.173", 4.40mm Width)20-TSSOP
Maxim Integrated IC RTC CLOCK/CALENDAR SPI 20-TSSOP ActiveClock/CalendarAlarm, Leap Year, NVSRAM, Trickle-Charger96BHH:MM:SS (12/24 hr)YY-MM-DD-ddSPI2 V ~ 5.5 V2 V ~ 5.5 V25.3µA ~ 81µA @ 2V ~ 5V0°C ~ 70°CSurface Mount20-TSSOP (0.173", 4.40mm Width)20-TSSOP
Maxim Integrated IC RTC CLOCK/CALENDAR SPI 20-TSSOP ActiveClock/CalendarAlarm, Leap Year, NVSRAM, Trickle-Charger96BHH:MM:SS (12/24 hr)YY-MM-DD-ddSPI2 V ~ 5.5 V2 V ~ 5.5 V25.3µA ~ 81µA @ 2V ~ 5V0°C ~ 70°CSurface Mount20-TSSOP (0.173", 4.40mm Width)20-TSSOP
Maxim Integrated IC RTC CLOCK/CALENDAR SPI 20-TSSOP ActiveClock/CalendarAlarm, Leap Year, NVSRAM, Trickle-Charger96BHH:MM:SS (12/24 hr)YY-MM-DD-ddSPI2 V ~ 5.5 V2 V ~ 5.5 V25.3µA ~ 81µA @ 2V ~ 5V-40°C ~ 85°CSurface Mount20-TSSOP (0.173", 4.40mm Width)20-TSSOP
Maxim Integrated IC RTC CLOCK/CALENDAR SPI 20-TSSOP ActiveClock/CalendarAlarm, Leap Year, NVSRAM, Trickle-Charger96BHH:MM:SS (12/24 hr)YY-MM-DD-ddSPI2 V ~ 5.5 V2 V ~ 5.5 V25.3µA ~ 81µA @ 2V ~ 5V-40°C ~ 85°CSurface Mount20-TSSOP (0.173", 4.40mm Width)20-TSSOP
Maxim Integrated IC RTC CLOCK/CALENDAR SPI 20-TSSOP ActiveClock/CalendarAlarm, Leap Year, NVSRAM, Trickle-Charger96BHH:MM:SS (12/24 hr)YY-MM-DD-ddSPI2 V ~ 5.5 V2 V ~ 5.5 V25.3µA ~ 81µA @ 2V ~ 5V-40°C ~ 85°CSurface Mount20-TSSOP (0.173", 4.40mm Width)20-TSSOP
Maxim Integrated IC RTC CLOCK/CALENDAR SPI 16-DIP ActiveClock/CalendarAlarm, Leap Year, NVSRAM, Trickle-Charger96BHH:MM:SS (12/24 hr)YY-MM-DD-ddSPI2 V ~ 5.5 V2 V ~ 5.5 V25.3µA ~ 81µA @ 2V ~ 5V-40°C ~ 85°CThrough Hole16-DIP (0.300", 7.62mm)16-PDIP
Maxim Integrated IC RTC CLOCK/CALENDAR SPI 16-DIP ActiveClock/CalendarAlarm, Leap Year, NVSRAM, Trickle-Charger96BHH:MM:SS (12/24 hr)YY-MM-DD-ddSPI2 V ~ 5.5 V2 V ~ 5.5 V25.3µA ~ 81µA @ 2V ~ 5V-40°C ~ 85°CThrough Hole16-DIP (0.300", 7.62mm)16-PDIP
Maxim Integrated IC RTC CLOCK/CALENDAR SPI 16-DIP ObsoleteClock/CalendarAlarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger96BHH:MM:SS (12/24 hr)YY-MM-DD-ddSPI2 V ~ 5.5 V2 V ~ 5.5 V25.3µA ~ 81µA @ 2V ~ 5V0°C ~ 70°CThrough Hole16-DIP (0.300", 7.62mm)16-PDIP
Maxim Integrated IC RTC CLOCK/CALENDAR SPI 20-TSSOP ObsoleteClock/CalendarAlarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger96BHH:MM:SS (12/24 hr)YY-MM-DD-ddSPI2 V ~ 5.5 V2 V ~ 5.5 V25.3µA ~ 81µA @ 2V ~ 5V0°C ~ 70°CSurface Mount20-TSSOP (0.173", 4.40mm Width)20-TSSOP
Maxim Integrated IC RTC CLOCK/CALENDAR SPI 20-TSSOP ActiveClock/CalendarAlarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger96BHH:MM:SS (12/24 hr)YY-MM-DD-ddSPI2 V ~ 5.5 V2 V ~ 5.5 V25.3µA ~ 81µA @ 2V ~ 5V0°C ~ 70°CSurface Mount20-TSSOP (0.173", 4.40mm Width)20-TSSOP
Maxim Integrated IC RTC CLOCK/CALENDAR SPI 20-TSSOP ActiveClock/CalendarAlarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger96BHH:MM:SS (12/24 hr)YY-MM-DD-ddSPI2 V ~ 5.5 V2 V ~ 5.5 V25.3µA ~ 81µA @ 2V ~ 5V0°C ~ 70°CSurface Mount20-TSSOP (0.173", 4.40mm Width)20-TSSOP
Maxim Integrated IC RTC CLOCK/CALENDAR SPI 20-TSSOP ObsoleteClock/CalendarAlarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger96BHH:MM:SS (12/24 hr)YY-MM-DD-ddSPI2 V ~ 5.5 V2 V ~ 5.5 V25.3µA ~ 81µA @ 2V ~ 5V-40°C ~ 85°CSurface Mount20-TSSOP (0.173", 4.40mm Width)20-TSSOP
Maxim Integrated IC RTC CLOCK/CALENDAR SPI 20-TSSOP ActiveClock/CalendarAlarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger96BHH:MM:SS (12/24 hr)YY-MM-DD-ddSPI2 V ~ 5.5 V2 V ~ 5.5 V25.3µA ~ 81µA @ 2V ~ 5V-40°C ~ 85°CSurface Mount20-TSSOP (0.173", 4.40mm Width)20-TSSOP
Maxim Integrated IC RTC CLOCK/CALENDAR SPI 20-TSSOP ActiveClock/CalendarAlarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger96BHH:MM:SS (12/24 hr)YY-MM-DD-ddSPI2 V ~ 5.5 V2 V ~ 5.5 V25.3µA ~ 81µA @ 2V ~ 5V-40°C ~ 85°CSurface Mount20-TSSOP (0.173", 4.40mm Width)20-TSSOP
Maxim Integrated IC RTC CLOCK/CALENDAR SPI 16-DIP ObsoleteClock/CalendarAlarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger96BHH:MM:SS (12/24 hr)YY-MM-DD-ddSPI2 V ~ 5.5 V2 V ~ 5.5 V25.3µA ~ 81µA @ 2V ~ 5V-40°C ~ 85°CThrough Hole16-DIP (0.300", 7.62mm)16-PDIP
Maxim Integrated IC RTC CLOCK/CALENDAR SPI 16-DIP ActiveClock/CalendarAlarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger96BHH:MM:SS (12/24 hr)YY-MM-DD-ddSPI2 V ~ 5.5 V2 V ~ 5.5 V25.3µA ~ 81µA @ 2V ~ 5V-40°C ~ 85°CThrough Hole16-DIP (0.300", 7.62mm)16-PDIP
Maxim Integrated IC RTC CLOCK/CALENDAR SPI 8-TDFN ActiveClock/CalendarAlarm, Leap Year, SRAM
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HH:MM:SS (12/24 hr)YY-MM-DD-ddSPI2 V ~ 5.5 V
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0.7µA ~ 0.8µA @ 2V ~ 5V-40°C ~ 85°CSurface Mount8-WDFN Exposed Pad8-TDFN (3x3)
Maxim Integrated IC RTC CLOCK/CALENDAR SPI 10-USOP ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, Trickle-Charger
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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-µSOP
Maxim Integrated IC RTC CLOCK/CALENDAR SPI 10-USOP ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, Trickle-Charger
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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-µSOP
Maxim Integrated IC RTC CLOCK/CALENDAR SPI 10-USOP ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, Trickle-Charger
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HH:MM:SS:hh (12/24 hr)YY-MM-DD-ddSPI2.7 V ~ 3.3 V1.3 V ~ 3.7 V125µA @ 2.7V ~ 3.3V-40°C ~ 85°CSurface Mount10-TFSOP, 10-MSOP (0.118", 3.00mm Width)10-uMAX
Maxim Integrated IC RTC CLOCK/CALENDAR SPI 10-USOP ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, Trickle-Charger
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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
Maxim Integrated IC RTC CLOCK/CALENDAR SPI 10-MSOP ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, Trickle-Charger
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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
Maxim Integrated IC RTC CLOCK/CALENDAR SPI 20-SOIC ActiveClock/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 ~ 5.5V0°C ~ 70°CSurface Mount20-SOIC (0.295", 7.50mm Width)20-SOIC
Maxim Integrated IC RTC CLOCK/CALENDAR SPI 20-SOIC ActiveClock/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
Maxim Integrated IC RTC CLOCK/CALENDAR SPI 20-SOIC ActiveClock/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
STMicroelectronics IC RTC CLOCK/CALENDAR SPI 16-QFN ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer7BHH:MM:SS:hh (24 hr)YY-MM-DD-ddSPI3 V ~ 5.5 V1.8 V ~ 5.5 V10µA @ 5.5V-40°C ~ 85°CSurface Mount16-VQFN Exposed Pad16-QFN (4x4)
STMicroelectronics IC RTC CLOCK/CALENDAR SPI 28-SOIC ObsoleteClock/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 Mount28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets28-SOH
STMicroelectronics IC RTC CLOCK/CALENDAR SPI 28-SOIC ActiveClock/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 Mount28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets28-SOH
STMicroelectronics IC RTC CLOCK/CALENDAR SPI 16-SOIC ObsoleteClock/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
STMicroelectronics IC RTC CLOCK/CALENDAR SPI 16-SOIC ActiveClock/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
Maxim Integrated IC RTC CLOCK/CALENDAR SPI 8-TDFN ObsoleteClock/CalendarAlarm, Leap Year, NVSRAM, Y2K31BHH:MM:SS (12/24 hr)YY-MM-DD-ddSPI2 V ~ 5.5 V
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1.05µA ~ 4.2µA @ 2V ~ 5V-40°C ~ 85°CSurface Mount8-WDFN Exposed Pad8-TDFN (3x3)
Microchip Technology IC RTC CLOCK/CALENDAR SPI 10-MSOP ActiveClock/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
EPSON IC RTC CLOCK/CALENDAR SPI 22-SON ActiveClock/CalendarAlarm, Leap Year
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HH:MM:SS (12/24 hr)YY-MM-DD-ddSPI1.7 V ~ 5.5 V
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1.2µA ~ 1.8µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount22-LFDFN22-SON (5x6)