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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
DS12887
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-EDIP ObsoleteClock/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 Module (0.600", 15.24mm)24-EDIP
DS12887+
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-EDIP 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 Module (0.600", 15.24mm)24-EDIP
DS12887A
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-EDIP ObsoleteClock/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 Module (0.600", 15.24mm)24-EDIP
DS12887A+
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-EDIP 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 Module (0.600", 15.24mm)24-EDIP
DS12C887
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-EDIP ObsoleteClock/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
DS12C887+
 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
DS12C887A
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-EDIP ObsoleteClock/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
DS12C887A+
 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
DS12CR887-33+
 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-ddParallel2.97 V ~ 3.63 V2 V ~ 3.05 V2mA @ 2.97V ~ 3.63V-40°C ~ 85°CThrough Hole24-DIP Module (0.600", 15.24mm)24-EDIP
DS14287+
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-EDIP ObsoleteClock/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 ~ 3.6 V0.5µA @ 4.5V ~ 5.5V0°C ~ 70°CThrough Hole24-DIP Module (0.600", 15.24mm)24-EDIP
DS1642-100
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-EDIP ObsoleteClock/CalendarLeap Year, NVSRAM2KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
-
3mA @ 5V0°C ~ 70°CThrough Hole24-DIP Module (0.600", 15.24mm)24-EDIP
DS1642-100+
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-EDIP ObsoleteClock/CalendarLeap Year, NVSRAM2KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
-
3mA @ 5V0°C ~ 70°CThrough Hole24-DIP Module (0.600", 15.24mm)24-EDIP
DS1687-3
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-EDIP ObsoleteClock/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°CThrough Hole24-DIP Module (0.600", 15.24mm)24-EDIP
DS1687-3+
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-EDIP 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°CThrough Hole24-DIP Module (0.600", 15.24mm)24-EDIP
DS1687-5
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-EDIP ObsoleteClock/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 @ 5V0°C ~ 70°CThrough Hole24-DIP Module (0.600", 15.24mm)24-EDIP
DS1687-5+
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-EDIP 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 @ 5V0°C ~ 70°CThrough Hole24-DIP Module (0.600", 15.24mm)24-EDIP
DS17287-3+
 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
DS17287-5
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-EDIP ObsoleteClock/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
DS17287-5+
 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-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
DS1742-100
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-EDIP ObsoleteClock/CalendarLeap Year, NVSRAM, Y2K2KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
-
3mA @ 5V0°C ~ 70°CThrough Hole24-DIP Module (0.600", 15.24mm)24-EDIP
DS1742-100+
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-EDIP ObsoleteClock/CalendarLeap Year, NVSRAM, Y2K2KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
-
3mA @ 5V0°C ~ 70°CThrough Hole24-DIP Module (0.600", 15.24mm)24-EDIP
DS1742-100IND
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-EDIP Discontinued at -Clock/CalendarLeap Year, NVSRAM, Y2K2KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
-
3mA @ 5V-40°C ~ 85°CThrough Hole24-DIP Module (0.600", 15.24mm)24-EDIP
DS1742-100IND+
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-EDIP ObsoleteClock/CalendarLeap Year, NVSRAM, Y2K2KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
-
3mA @ 5V-40°C ~ 85°CThrough Hole24-DIP Module (0.600", 15.24mm)24-EDIP
DS1742W-120
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-EDIP ObsoleteClock/CalendarLeap Year, NVSRAM, Y2K2KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel2.97 V ~ 3.63 V
-
2mA @ 3.3V0°C ~ 70°CThrough Hole24-DIP Module (0.600", 15.24mm)24-EDIP
DS1742W-120+
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-EDIP ObsoleteClock/CalendarLeap Year, NVSRAM, Y2K2KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel2.97 V ~ 3.63 V
-
2mA @ 3.3V0°C ~ 70°CThrough Hole24-DIP Module (0.600", 15.24mm)24-EDIP
DS1742W-150
 Maxim Integrated IC RTC RAM Y2K 3.3V 150NS 24EDIP ActiveClock/CalendarLeap Year, NVSRAM, Y2K2KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel2.97 V ~ 3.63 V
-
2mA @ 3.3V0°C ~ 70°CThrough Hole24-DIP Module (0.600", 15.24mm)24-EDIP
DS17487-5
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-EDIP ObsoleteClock/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
DS17487-5+
 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
DS17487-5IND+
 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 ~ 5.5V-40°C ~ 85°CThrough Hole24-DIP Module (0.600", 15.24mm)24-EDIP
DS17887-3
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-EDIP ObsoleteClock/CalendarAlarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output8KBHH: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
DS17887-3+
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-EDIP ActiveClock/CalendarAlarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output8KBHH: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
DS17887-5
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-EDIP Discontinued at -Clock/CalendarAlarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output8KBHH: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
M48T02-150PC1
 STMicroelectronics IC RTC CLOCK/CALENDAR PAR 24DIP ActiveClock/CalendarLeap Year
-
HH:MM:SS (24 hr)YY-MM-DD-ddParallel4.75 V ~ 5.5 V
-
3mA @ 4.7V ~ 5.5V0°C ~ 70°CThrough Hole24-DIP Module (0.600", 15.24mm)24-PCDIP, CAPHAT®
M48T02-200PC1
 STMicroelectronics IC RTC CLOCK/CALENDAR PAR 24-DIP ObsoleteClock/CalendarLeap Year
-
HH:MM:SS (24 hr)YY-MM-DD-ddParallel4.75 V ~ 5.5 V
-
3mA @ 4.7V ~ 5.5V0°C ~ 70°CThrough Hole24-DIP Module (0.600", 15.24mm)24-PCDIP, CAPHAT®
M48T02-70PC1
 STMicroelectronics IC RTC CLOCK/CALENDAR PAR 24DIP ActiveClock/CalendarLeap Year
-
HH:MM:SS (24 hr)YY-MM-DD-ddParallel4.75 V ~ 5.5 V
-
3mA @ 4.7V ~ 5.5V0°C ~ 70°CThrough Hole24-DIP Module (0.600", 15.24mm)24-PCDIP, CAPHAT®
M48T12-150PC1
 STMicroelectronics IC RTC CLOCK/CALENDAR PAR 24DIP ActiveClock/CalendarLeap Year
-
HH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
-
3mA @ 4.5V ~ 5.5V0°C ~ 70°CThrough Hole24-DIP Module (0.600", 15.24mm)24-PCDIP, CAPHAT®
M48T12-200PC1
 STMicroelectronics IC RTC CLOCK/CALENDAR PAR 24DIP ObsoleteClock/CalendarLeap Year
-
HH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
-
3mA @ 4.5V ~ 5.5V0°C ~ 70°CThrough Hole24-DIP Module (0.600", 15.24mm)24-PCDIP, CAPHAT®
M48T12-70PC1
 STMicroelectronics IC RTC CLOCK/CALENDAR PAR 24DIP ActiveClock/CalendarLeap Year
-
HH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
-
3mA @ 4.5V ~ 5.5V0°C ~ 70°CThrough Hole24-DIP Module (0.600", 15.24mm)24-PCDIP, CAPHAT®
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®
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