Part Number Manufacturer / Brand Brife Description Part StatusTypeFeaturesMemory SizeTime FormatDate FormatInterfaceVoltage - SupplyVoltage - Supply, BatteryCurrent - Timekeeping (Max)Operating TemperatureMounting TypePackage / CaseSupplier Device Package
EPSON IC RTC CLOCK/CALENDAR SER 22-SON ActiveClock/CalendarAlarm, Leap Year
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HH:MM:SS (24 hr)YY-MM-DD-dd3-Wire Serial1.6 V ~ 5.5 V
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1µA ~ 2µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount22-LFDFN22-SON (5x6)
Abracon LLC IC RTC CLOCK/CALENDAR I2C MODULE ActiveClock/CalendarAlarm, Leap Year, Square Wave Output
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HH:MM:SS (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.2 V ~ 5.5 V
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0.45µA ~ 0.55µA @ 2V ~ 5V-40°C ~ 85°CSurface Mount10-SMD ModuleModule
Renesas Electronics America Inc. IC RTC CLOCK/CALENDAR I2C 8-SOIC ActiveClock/CalendarAlarm, Leap Year
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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
Maxim Integrated IC RTC BINARY CNT I2C 10-USOP ActiveBinary CounterAlarm, Square Wave Output, Trickle-Charger, Watchdog Timer
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BinaryBinaryI²C, 2-Wire Serial1.71 V ~ 1.89 V1.3 V ~ 3.7 V100µA @ 1.71V ~ 1.89V-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-ddSPI2.7 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 I2C 8-USOP ActiveClock/CalendarLeap Year, NVSRAM, Square Wave Output56BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V1.3 V ~ 3.7 V200µA @ 3.3V-40°C ~ 85°CSurface Mount8-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-uMAX
Maxim Integrated IC RTC CLOCK/CALENDAR I2C 8-SOIC ActiveClock/CalendarLeap Year, NVSRAM, Square Wave Output56BHH:MM:SS (12/24 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
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-ddSPI1.71 V ~ 1.89 V1.3 V ~ 3.7 V100µA @ 1.71V ~ 1.89V-40°C ~ 85°CSurface Mount10-TFSOP, 10-MSOP (0.118", 3.00mm Width)10-uMAX
Maxim Integrated IC RTC CLOCK/CALENDAR I2C 8-SOIC ActiveClock/CalendarLeap Year, Trickle-Charger
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HH:MM:SS (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V1.3 V ~ 3.7 V125µA @ 3.3V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
EPSON IC RTC EVENT REC I2C 12-VSOJ ActiveTime Event RecorderAlarm
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HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.4 V ~ 5.5 V1 V ~ 5.5 V2.5µA @ 3V-40°C ~ 85°CSurface Mount12-TFSOJ (0.094", 2.40mm Width)12-VSOJ
Maxim Integrated IC RTC CLOCK/CALENDAR I2C 8-USOP ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, Trickle-Charger
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HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V1.3 V ~ 3.7 V150µA @ 3.3V-40°C ~ 85°CSurface Mount8-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-uMAX
Maxim Integrated IC RTC CLOCK/CALENDAR I2C 8-USOP ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, Trickle-Charger
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HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V1.3 V ~ 3.7 V100µA @ 2.2V-40°C ~ 85°CSurface Mount8-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-uMAX
Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-SOIC ActiveClock/CalendarAlarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger114BHH:MM:SS (12/24 hr)YY-MM-DD-ddParallel2.97 V ~ 3.63 V2 V ~ 3.05 V2mA @ 2.97V ~ 3.63V-40°C ~ 85°CSurface Mount24-SOIC (0.295", 7.50mm Width)24-SOIC
Maxim Integrated IC RTC ELAPSED CNT PAR 24-TSSOP ActiveElapsed Time CounterAlarm, Square Wave Output
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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
EPSON IC RTC CLOCK/CALENDAR I2C 14-SOP ActiveClock/CalendarAlarm, Leap Year
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HH:MM:SS (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V
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0.8µA ~ 1.2µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount14-SOIC (0.209", 5.30mm Width)14-SOP
Maxim Integrated IC RTC CLOCK/CALENDAR SPI 20-TSSOP ActiveClock/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 Mount20-TSSOP (0.173", 4.40mm Width)20-TSSOP
Maxim Integrated IC RTC CLOCK/CALENDAR I2C 8-SOIC ActiveClock/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
Maxim Integrated IC RTC CLOCK/CALENDAR I2C 8-SOIC ActiveClock/CalendarEEPROM, Leap Year, Supervisor, Trickle-Charger, Watchdog Timer512BHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial4.5 V ~ 5.5 V1.3 V ~ 5.5 V270µA @ 4.5V ~ 5.5V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
EPSON IC RTC CLOCK/CALENDAR I2C 14-SOP ActiveClock/CalendarAlarm, Leap Year
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HH:MM:SS (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.6 V ~ 5.5 V
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2.8µA ~ 3.4µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount14-SOIC (0.209", 5.30mm Width)14-SOP
Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-SOIC ActiveClock/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°CSurface Mount24-SOIC (0.295", 7.50mm Width)24-SOIC
Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-TSSOP ActiveClock/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°CSurface Mount24-TSSOP (0.173", 4.40mm Width)24-TSSOP
Maxim Integrated IC RTC EVENT REC I2C 8-SOIC ActiveTime Event RecorderAlarm, Leap Year, NVSRAM, Y2K32BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial4.5 V ~ 5.5 V2.6 V ~ 3.5 V
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-40°C ~ 85°CSurface Mount8-SOIC (0.209", 5.30mm Width)8-SO
Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-DIP ActiveClock/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°CThrough Hole24-DIP (0.600", 15.24mm)24-PDIP
Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-TSSOP ActiveClock/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
Texas Instruments IC RTC CLOCK/CALENDAR PAR 28-TSSOP ActiveClock/CalendarAlarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer
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HH:MM:SS (12/24 hr)YY-MM-DD-ddParallel2.7 V ~ 3.6 V2.4 V ~ 4 V1.5mA (Typ) @ 2.7 V ~ 3.6 V0°C ~ 70°CSurface Mount28-TSSOP (0.173", 4.40mm Width)28-TSSOP
Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-SOIC ActiveClock/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 Mount24-SOIC (0.295", 7.50mm Width)24-SOIC
Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-SOIC ActiveClock/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 ~ 5.5V-40°C ~ 85°CSurface Mount24-SOIC (0.295", 7.50mm Width)24-SOIC
Maxim Integrated IC RTC SYSTEM Controller SER 20-TSSOP ActivePortable System ControllerAlarm, Leap Year, Watchdog Timer
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HH:MM:SS (12/24 hr)YY-MM-DD-dd3-Wire Serial2.97 V ~ 3.63 V2.5 V ~ 3.7 V100µA @ 3.3V0°C ~ 70°CSurface Mount20-TSSOP (0.173", 4.40mm Width)20-TSSOP
Maxim Integrated IC RTC SYSTEM Controller SER 20-TSSOP ActivePortable System ControllerAlarm, Leap Year, Watchdog Timer
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HH:MM:SS (12/24 hr)YY-MM-DD-dd3-Wire Serial2.7 V ~ 3.3 V2.5 V ~ 3.7 V100µA @ 3V0°C ~ 70°CSurface Mount20-TSSOP (0.173", 4.40mm Width)20-TSSOP
Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-EDIP ActiveClock/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
Maxim Integrated IC RTC CLOCK/CALENDAR PAR 48-LQFP ActiveClock/CalendarAlarm, Leap Year, Watchdog Timer, Y2K
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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)
Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-EDIP ActiveClock/CalendarAlarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger114BHH:MM:SS (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V2 V ~ 3.05 V2mA @ 4.5V ~ 5.5V-40°C ~ 85°CThrough Hole24-DIP Module (0.600", 15.24mm)24-EDIP
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-SOIC ActiveClock/CalendarAlarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K256BHH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V2.5 V ~ 3.7 V5mA @ 4.5V ~ 5.5V-40°C ~ 85°CSurface Mount28-SOIC (0.295", 7.50mm Width)28-SOIC
Maxim Integrated IC RTC PHANTOM PAR 16-DIP ActivePhantom Time ChipLeap Year
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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
Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-EDIP ActiveClock/CalendarAlarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output2KBHH: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
Maxim Integrated IC RTC PHANTOM PAR 16-SOIC ActivePhantom Time ChipLeap Year
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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 CLOCK/CALENDAR PAR 24-EDIP ActiveClock/CalendarAlarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output4KBHH: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
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
Maxim Integrated IC RTC CLOCK/CALENDAR PAR 34-PCM ActiveClock/CalendarAlarm, Leap Year, NVSRAM, Watchdog Timer, Y2K32KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V3V6mA @ 5V0°C ~ 70°CSurface Mount34-PowerCap™ Module34-PowerCap Module
Maxim Integrated IC RTC CLOCK/CALENDAR PAR 34-PCM ActiveClock/CalendarAlarm, Leap Year, NVSRAM, Watchdog Timer, Y2K32KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V3V6mA @ 5V-40°C ~ 85°CSurface Mount34-PowerCap™ Module34-PowerCap Module
Maxim Integrated IC RTC CLOCK/CALENDAR PAR 32-EDIP ActiveClock/CalendarLeap Year, NVSRAM, Y2K128KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel2.97 V ~ 3.63 V
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2mA @ 3.3V-40°C ~ 85°CThrough Hole32-DIP Module (0.600", 15.24mm)32-EDIP
Maxim Integrated IC RTC CLOCK/CALENDAR PAR 34-PCM ActiveClock/CalendarLeap Year, NVSRAM, Y2K512KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V3V4mA @ 5V0°C ~ 70°CSurface Mount34-PowerCap™ Module34-PowerCap Module
Maxim Integrated IC RTC CLOCK/CALENDAR PAR 32-EDIP ActiveClock/CalendarAlarm, Leap Year, NVSRAM, Watchdog Timer, Y2K128KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
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6mA @ 5V-40°C ~ 85°CThrough Hole32-DIP Module (0.600", 15.24mm)32-EDIP
NXP USA Inc. IC RTC CLOCK/CALENDAR I2C 10TSSOP ActiveClock/CalendarAlarm, Leap Year, Watchdog Timer64BHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial0.9 V ~ 5.5 V0.9 V ~ 5.5 V0.885µA @ 3.3V-40°C ~ 85°CSurface Mount10-TFSOP, 10-MSOP (0.118", 3.00mm Width)10-TSSOP
Maxim Integrated IC RTC BINARY CNT I2C 8-SOIC ActiveBinary CounterTrickle-Charger
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BinaryBinaryI²C, 2-Wire Serial2.7 V ~ 3.3 V1.3 V ~ 3.63 V500µA @ 3.3V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SO
Maxim Integrated IC RTC CLOCK/CALENDAR I2C 6-TDFN ActiveClock/CalendarAlarm, Leap Year, Square Wave Output
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HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8 V ~ 5.5 V
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0.6µA ~ 0.7µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount8-WDFN Exposed Pad8-TDFN (3x3)
Maxim Integrated IC RTC CLOCK/CALENDAR I2C 8-USOP ActiveClock/CalendarLeap Year, Trickle-Charger
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HH:MM:SS (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V1.3 V ~ 3.7 V125µA @ 3.3V-40°C ~ 85°CSurface Mount8-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-uSOP
Renesas Electronics America Inc. IC RTC EVENT REC I2C 10-MSOP ActiveTime 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
Maxim Integrated IC RTC CLOCK/CALENDAR SPI 20-TSSOP ActiveClock/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
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-40°C ~ 85°CSurface Mount20-TSSOP (0.173", 4.40mm Width)20-TSSOP
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