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Manufacturers for Clock/Timing - Real Time Clocks

Abracon LLC.
Ambiq Micro, Inc.
ams
AVX Corporation
Diodes Incorporated
Epson
Integrated Device Technology, Inc.
Intersil (Renesas Electronics America)
Maxim Integrated
Microchip Technology
NJR Corporation/NJRC
NXP Semiconductors
ROHM Semiconductor
ABLIC U.S.A. Inc.
STMicroelectronics
Texas Instruments
Part Number Manufacturer / Brand Brife Description Part StatusTypeFeaturesMemory SizeTime FormatDate FormatInterfaceVoltage - SupplyVoltage - Supply, BatteryCurrent - Timekeeping (Max)Operating TemperatureMounting TypePackage / CaseSupplier Device Package
M48T35Y-70MH6E
 STMicroelectronics IC RTC CLOCK/CALENDAR PAR 28SOH ObsoleteClock/CalendarLeap Year
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HH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
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2mA @ 4.75V ~ 5.5V-40°C ~ 85°CSurface Mount28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets28-SOH
M48T37V-10MH1E
 STMicroelectronics IC RTC CLOCK/CALENDAR PAR 44-SOH ObsoleteClock/CalendarAlarm, Leap Year, Watchdog Timer
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HH:MM:SS (24 hr)YY-MM-DD-ddParallel3 V ~ 3.6 V
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2mA @ 3V ~ 3.6V0°C ~ 70°CSurface Mount44-BSOP (0.337", 8.56mm Width) requires SNAPHAT44-SOH
M48T37V-10MH6E
 STMicroelectronics IC RTC CLOCK/CALENDAR PAR 44-SOH ObsoleteClock/CalendarAlarm, Leap Year, Watchdog Timer
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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
M48T37Y-70MH6E
 STMicroelectronics IC RTC CLOCK/CALENDAR PAR 44-SOH ObsoleteClock/CalendarAlarm, Leap Year, Watchdog Timer
-
HH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
-
3mA @ 4.5V ~ 5.5V-40°C ~ 85°CSurface Mount44-BSOP (0.337", 8.56mm Width) requires SNAPHAT44-SOH
M48T512Y-70PM1
 STMicroelectronics IC RTC CLOCK/CALENDAR PAR 32-DIP ObsoleteClock/CalendarLeap Year
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HH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
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4mA @ 4.5V ~ 5.5V0°C ~ 70°CThrough Hole32-DIP Module (0.600", 15.24mm)32-PMDIP Module
M48T58Y-70MH1E
 STMicroelectronics IC RTC CLOCK/CALENDAR PAR 28SOH ObsoleteClock/CalendarLeap Year
-
HH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
-
3mA @ 4.5V ~ 5.5V0°C ~ 70°CSurface Mount28-SOIC (0.337", 8.56mm Width) with SNAPHAT Sockets28-SOH
M48T59Y-70MH1E
 STMicroelectronics IC RTC CLOCK/CALENDAR PAR 28SOH ObsoleteClock/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 Mount28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets28-SOH
M48T59Y-70MH6E
 STMicroelectronics IC RTC CLOCK/CALENDAR PAR 28SOH ObsoleteClock/CalendarAlarm, Leap Year, Watchdog Timer
-
HH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
-
3mA @ 4.5V ~ 5.5V-40°C ~ 85°CSurface Mount28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets28-SOH
M48T59Y-70PC1
 STMicroelectronics IC RTC CLOCK/CALENDAR PAR 28DIP ObsoleteClock/CalendarAlarm, Leap Year, Watchdog Timer
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HH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
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3mA @ 4.5V ~ 5.5V0°C ~ 70°CThrough Hole28-DIP Module (0.600", 15.24mm)28-PCDIP, CAPHAT®
M48T86MH1E
 STMicroelectronics IC RTC CLOCK/CALENDAR PAR 28-SOIC ObsoleteClock/CalendarAlarm, Leap Year, NVSRAM, Square Wave Output114BHH:MM:SS (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
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15mA @ 4.5V ~ 5.5V0°C ~ 70°CSurface Mount28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets28-SOH
M48T86PC1
 STMicroelectronics IC RTC CLOCK/CALENDAR PAR 24-DIP ObsoleteClock/CalendarAlarm, Leap Year, NVSRAM, Square Wave Output114BHH:MM:SS (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
-
15mA @ 4.5V ~ 5.5V0°C ~ 70°CThrough Hole24-DIP Module (0.600", 15.24mm)24-PCDIP, CAPHAT®
M41T94MQ6E
 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
M41T50Q6F
 STMicroelectronics IC RTC CLOCK/CALENDAR I2C 16QFN ObsoleteClock/CalendarAlarm, Leap Year, Square Wave Output
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HH:MM:SS (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.7 V ~ 3.6 V
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0.7µA @ 1.7V ~ 3.6V-40°C ~ 85°CSurface Mount16-VFQFN Exposed Pad16-QFN (3x3)
M48T212V-85MH1F
 STMicroelectronics IC RTC CLOCK/CALENDAR PAR 44-SOH ObsoleteClock/CalendarAlarm, Leap Year, Watchdog Timer, Y2K
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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
M48T35AV-10MH6F
 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 ~ 3.6V-40°C ~ 85°CSurface Mount28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets28-SOH
M48T35Y-70MH6F
 STMicroelectronics IC RTC CLOCK/CALENDAR PAR 28SOH ObsoleteClock/CalendarLeap Year
-
HH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
-
2mA @ 4.75V ~ 5.5V-40°C ~ 85°CSurface Mount28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets28-SOH
M48T37V-10MH6F
 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
M48T37Y-70MH6F
 STMicroelectronics IC RTC CLOCK/CALENDAR PAR 44-SOH ObsoleteClock/CalendarAlarm, Leap Year, Watchdog Timer
-
HH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
-
3mA @ 4.5V ~ 5.5V-40°C ~ 85°CSurface Mount44-BSOP (0.337", 8.56mm Width) requires SNAPHAT44-SOH
M48T59Y-70MH1F
 STMicroelectronics IC RTC CLOCK/CALENDAR PAR 28SOH ObsoleteClock/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 Mount28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets28-SOH
M48T86MH1F
 STMicroelectronics IC RTC CLOCK/CALENDAR PAR 28-SOIC ObsoleteClock/CalendarAlarm, Leap Year, NVSRAM, Square Wave Output114BHH:MM:SS (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
-
15mA @ 4.5V ~ 5.5V0°C ~ 70°CSurface Mount28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets28-SOH
M41T56MH6F
 STMicroelectronics IC RTC CLOCK/CALENDAR I2C 28-SOIC ObsoleteClock/CalendarLeap Year, NVSRAM56BHH:MM:SS (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial4.5 V ~ 5.5 V2.5 V ~ 3.5 V100µA (Typ) @ 4.5V ~ 5.5V-40°C ~ 85°CSurface Mount28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets28-SOH
M41T256YMH7F
 STMicroelectronics IC RTC CLOCK/CALENDAR I2C 44-SOH ObsoleteClock/CalendarLeap Year, NVSRAM32KBHH:MM:SS:hh (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial4.5 V ~ 5.5 V2.5 V ~ 3.5 V2.5mA @ 4.5V ~ 5.5V-25°C ~ 70°CSurface Mount44-BSOP (0.337", 8.56mm Width) requires SNAPHAT44-SOH
M41T256YMT7F
 STMicroelectronics IC RTC CLOCK/CALENDAR I2C 44-SOP ObsoleteClock/CalendarLeap Year, NVSRAM32KBHH:MM:SS:hh (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial4.5 V ~ 5.5 V2.5 V ~ 3.5 V2.5mA @ 4.5V ~ 5.5V-25°C ~ 70°CSurface Mount44-BSOP (0.337", 8.56mm Width)44-SOH
M41ST84WMQ6F
 STMicroelectronics IC RTC CLOCK/CALENDAR I2C 16-SOIC ObsoleteClock/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 Mount16-SOIC (0.154", 3.90mm Width)16-SO
M41ST87WMX6
 STMicroelectronics IC RTC CLOCK/CALENDAR I2C 28-SOIC ObsoleteClock/CalendarAlarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer128BHH:MM:SS:hh (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 3.6 V2.5 V ~ 3.6 V0.5mA @ 2.7V ~ 3.6V-40°C ~ 85°CSurface Mount28-SOIC (0.295", 7.50mm Width)28-SOX
M41ST87YMX6TR
 STMicroelectronics IC RTC CLOCK/CALENDAR I2C 28-SOIC ObsoleteClock/CalendarAlarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer128BHH:MM:SS:hh (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial4.5 V ~ 5.5 V2.5 V ~ 5.5 V1mA @ 4.5V ~ 5.5V-40°C ~ 85°CSurface Mount28-SOIC (0.295", 7.50mm Width)28-SOX
M41ST95WMX6TR
 STMicroelectronics IC RTC CLOCK/CALENDAR SPI 28-SOIC ObsoleteClock/CalendarAlarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer44BHH:MM:SS:hh (24 hr)YY-MM-DD-ddSPI2.7 V ~ 3.6 V2.5 V ~ 3.5 V1.4mA @ 2.7V ~ 3.6V-40°C ~ 85°CSurface Mount28-SOIC (0.295", 7.50mm Width)28-SOX
M41T00SM6E
 STMicroelectronics IC RTC CLOCK/CALENDAR I2C 8-SOIC ObsoleteClock/CalendarLeap Year
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HH:MM:SS (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V2 V ~ 3.5 V70µA @ 2.7V ~ 5.5V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SO
M41T0DS6F
 STMicroelectronics IC RTC CLOCK/CALENDAR I2C 8-TSSOP ObsoleteClock/Calendar
-
-
HH:MM:SSYY-MM-DD-ddI²C, 2-Wire Serial2 V ~ 5.5 V
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1.2µA ~ 31µA @ 3V ~ 5.5V-40°C ~ 85°CSurface Mount8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
-
M41T81SM6E
 STMicroelectronics IC RTC CLOCK/CALENDAR I2C 8-SOIC ObsoleteClock/CalendarAlarm, Leap Year, Square Wave Output, Watchdog Timer
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HH:MM:SS:hh (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V2 V ~ 3.5 V100µA @ 2.7V ~ 5.5V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SO
M41T56C64MY6F
 STMicroelectronics IC RTC CLOCK/CALENDAR I2C 18-SOIC ObsoleteClock/CalendarEEPROM, Leap Year, NVSRAM56B, 8KBHH:MM:SSYY-MM-DD-ddI²C, 2-Wire Serial4.5 V ~ 5.5 V2.5 V ~ 3.5 V100µA (Typ) @ 4.5V ~ 5.5V-40°C ~ 85°CSurface Mount18-SOX, 18-SOIC with Crystal (7.5mm Width)18-SOX
M41T82RM6E
 STMicroelectronics IC RTC CLOCK/CALENDAR I2C 8-SOIC ObsoleteClock/CalendarAlarm, Leap Year, SRAM, Watchdog Timer7BHH:MM:SS:hh (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V2 V ~ 5.5 V10µA @ 5.5V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SO
M41T00SC64MY6F
 STMicroelectronics IC RTC CLOCK/CALENDAR I2C 18-SOIC ObsoleteClock/CalendarEEPROM, Leap Year8KBHH:MM:SSYY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V2.5 V ~ 35 V100µA (Typ) @ 2.7V ~ 5.5V-40°C ~ 85°CSurface Mount18-SOX, 18-SOIC with Crystal (7.5mm Width)18-SOX
M41ST85WMH6TR
 STMicroelectronics IC RTC CLOCK/CALENDAR I2C 28-SOH ObsoleteClock/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
M41T56C64MY6E
 STMicroelectronics IC RTC CLOCK/CALENDAR I2C 18-SOIC ObsoleteClock/CalendarEEPROM, Leap Year, NVSRAM56B, 8KBHH:MM:SSYY-MM-DD-ddI²C, 2-Wire Serial4.5 V ~ 5.5 V2.5 V ~ 3.5 V100µA (Typ) @ 4.5V ~ 5.5V-40°C ~ 85°CSurface Mount18-SOX, 18-SOIC with Crystal (7.5mm Width)18-SOX
M41T81SMY6E
 STMicroelectronics IC RTC CLOCK/CALENDAR I2C 18-SOIC ObsoleteClock/CalendarAlarm, Leap Year, Square Wave Output, Watchdog Timer
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HH:MM:SS:hh (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V2 V ~ 3.5 V100µA @ 2.7V ~ 5.5V-40°C ~ 85°CSurface Mount18-SOX, 18-SOIC with Crystal (7.5mm Width)18-SOX
M41T00SC64MY6E
 STMicroelectronics IC RTC CLOCK/CALENDAR I2C 18-SOX ObsoleteClock/CalendarEEPROM, Leap Year8KBHH:MM:SSYY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V2.5 V ~ 35 V100µA (Typ) @ 2.7V ~ 5.5V-40°C ~ 85°CSurface Mount18-SOX, 18-SOIC with Crystal (7.5mm Width)18-SOX
M41T82SM6E
 STMicroelectronics IC RTC CLOCK/CALENDAR I2C 8-SOIC ObsoleteClock/CalendarAlarm, Leap Year, SRAM, Watchdog Timer7BHH:MM:SS:hh (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial3 V ~ 5.5 V2 V ~ 5.5 V10µA @ 5.5V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SO
M41T82ZM6E
 STMicroelectronics IC RTC CLOCK/CALENDAR I2C 8-SOIC ObsoleteClock/CalendarAlarm, Leap Year, SRAM, Watchdog Timer7BHH:MM:SS:hh (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.38 V ~ 5.5 V2 V ~ 5.5 V10µA @ 5.5V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SO
M41T83RMY6E
 STMicroelectronics IC RTC CLOCK/CALENDAR I2C 18-SOX ObsoleteClock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer7BHH:MM:SS:hh (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7 V ~ 5.5 V2 V ~ 5.5 V10µA @ 5.5V-40°C ~ 85°CSurface Mount18-SOX, 18-SOIC with Crystal (7.5mm Width)18-SOX
M41T83SMY6E
 STMicroelectronics IC RTC CLOCK/CALENDAR I2C 18-SOX ObsoleteClock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer7BHH:MM:SS:hh (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial3 V ~ 5.5 V2 V ~ 5.5 V10µA @ 5.5V-40°C ~ 85°CSurface Mount18-SOX, 18-SOIC with Crystal (7.5mm Width)18-SOX
M41T83ZMY6E
 STMicroelectronics IC RTC CLOCK/CALENDAR I2C 18-SOX ObsoleteClock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer7BHH:MM:SS:hh (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.38 V ~ 5.5 V2 V ~ 5.5 V10µA @ 5.5V-40°C ~ 85°CSurface Mount18-SOX, 18-SOIC with Crystal (7.5mm Width)18-SOX
M41T93RMY6E
 STMicroelectronics IC RTC CLOCK/CALENDAR SPI 18-SOX ObsoleteClock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer7BHH:MM:SS:hh (24 hr)YY-MM-DD-ddSPI2.7 V ~ 5.5 V1.8 V ~ 5.5 V10µA @ 5.5V-40°C ~ 85°CSurface Mount18-SOX, 18-SOIC with Crystal (7.5mm Width)18-SOX
M41T93SMY6E
 STMicroelectronics IC RTC CLOCK/CALENDAR SPI 18-SOX ObsoleteClock/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 Mount18-SOX, 18-SOIC with Crystal (7.5mm Width)18-SOX
M41T93ZMY6E
 STMicroelectronics IC RTC CLOCK/CALENDAR SPI 18-SOX ObsoleteClock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer7BHH:MM:SS:hh (24 hr)YY-MM-DD-ddSPI2.38 V ~ 5.5 V1.8 V ~ 5.5 V10µA @ 5.5V-40°C ~ 85°CSurface Mount18-SOX, 18-SOIC with Crystal (7.5mm Width)18-SOX
M48T512V-85PM1
 STMicroelectronics IC RTC CLOCK/CALENDAR PAR 32-DIP ObsoleteClock/CalendarLeap Year
-
HH:MM:SS (24 hr)YY-MM-DD-ddParallel3 V ~ 3.6 V
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3mA @ 3V ~ 3.6V0°C ~ 70°CThrough Hole32-DIP Module (0.600", 15.24mm)32-PMDIP Module
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