1. Home
  2. Products
  3. Integrated Circuits (ICs)
  4. Clock/Timing - Real Time Clocks
  5. Products

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
DS1251Y-70+
 Maxim Integrated IC RTC PHANTOM PAR 32-DIP ActivePhantom Time ChipLeap Year, NVSRAM512KBHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
-
10mA @ 5V0°C ~ 70°CThrough Hole32-DIP Module (0.600", 15.24mm)32-EDIP
DS12885S+T&R
 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
DS12885T+
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 32-TQFP 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 Mount32-TQFP32-TQFP (7x7)
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 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
DS1302+
 Maxim Integrated IC RTC CLOCK/CALENDAR SER 8-DIP ActiveClock/CalendarLeap Year, NVSRAM, Trickle-Charger31BHH:MM:SS (12/24 hr)YY-MM-DD-dd3-Wire Serial2 V ~ 5.5 V2 V ~ 5.5 V0.3µA ~ 1µA @ 2V ~ 5V0°C ~ 70°CThrough Hole8-DIP (0.300", 7.62mm)8-PDIP
DS1302S
 Maxim Integrated IC RTC CLOCK/CALENDAR SER 8-SOIC ObsoleteClock/CalendarLeap Year, NVSRAM, Trickle-Charger31BHH:MM:SS (12/24 hr)YY-MM-DD-dd3-Wire Serial2 V ~ 5.5 V2 V ~ 5.5 V0.3µA ~ 1µA @ 2V ~ 5V0°C ~ 70°CSurface Mount8-SOIC (0.209", 5.30mm Width)8-SO
DS1302S+
 Maxim Integrated IC RTC CLOCK/CALENDAR SER 8-SOIC ActiveClock/CalendarLeap Year, NVSRAM, Trickle-Charger31BHH:MM:SS (12/24 hr)YY-MM-DD-dd3-Wire Serial2 V ~ 5.5 V2 V ~ 5.5 V0.3µA ~ 1µA @ 2V ~ 5V0°C ~ 70°CSurface Mount8-SOIC (0.209", 5.30mm Width)8-SO
DS1302S+T&R
 Maxim Integrated IC RTC CLOCK/CALENDAR SER 8-SOIC ActiveClock/CalendarLeap Year, NVSRAM, Trickle-Charger31BHH:MM:SS (12/24 hr)YY-MM-DD-dd3-Wire Serial2 V ~ 5.5 V2 V ~ 5.5 V0.3µA ~ 1µA @ 2V ~ 5V0°C ~ 70°CSurface Mount8-SOIC (0.209", 5.30mm Width)8-SO
DS1302Z+
 Maxim Integrated IC RTC CLOCK/CALENDAR SER 8-SOIC ActiveClock/CalendarLeap Year, NVSRAM, Trickle-Charger31BHH:MM:SS (12/24 hr)YY-MM-DD-dd3-Wire Serial2 V ~ 5.5 V2 V ~ 5.5 V0.3µA ~ 1µA @ 2V ~ 5V0°C ~ 70°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
DS1305E
 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
DS1305E+
 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
DS1305E+T&R
 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
DS1306E
 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
DS1306E+
 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
DS1306E+T&R
 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
DS1307+
 Maxim Integrated IC RTC CLOCK/CALENDAR I2C 8-DIP ActiveClock/CalendarLeap Year, NVSRAM, Square Wave Output56BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial4.5 V ~ 5.5 V2 V ~ 3.5 V200µA @ 5V0°C ~ 70°CThrough Hole8-DIP (0.300", 7.62mm)8-PDIP
DS1307Z+
 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 Serial4.5 V ~ 5.5 V2 V ~ 3.5 V200µA @ 5V0°C ~ 70°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
DS1315-33+
 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
DS1315-5+
 Maxim Integrated IC RTC PHANTOM PAR 16-DIP ActivePhantom Time ChipLeap Year
-
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
DS1315S-33+
 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
DS1315S-33+T&R
 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
DS1315S-5
 Maxim Integrated IC RTC PHANTOM PAR 16-SOIC ObsoletePhantom Time ChipLeap Year
-
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°CSurface Mount16-SOIC (0.295", 7.50mm Width)16-SOIC
DS14285S+
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-SOIC 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°CSurface Mount24-SOIC (0.295", 7.50mm Width)24-SOIC
DS1500WE+
 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
DS1500YE+
 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-ddParallel4.5 V ~ 5.5 V2.5 V ~ 3.7 V5mA @ 4.5V ~ 5.5V0°C ~ 70°CSurface Mount32-LFSOP (0.724", 18.40mm Width)32-TSOP
DS1501WZ+T&R
 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
DS1511W+
 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
DS1511Y+
 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-ddParallel4.5 V ~ 5.5 V2.5 V ~ 3.7 V5mA @ 4.5V ~ 5.5V0°C ~ 70°CThrough Hole28-DIP Module (0.600", 15.24mm)28-EDIP
DS1553-100+
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 28-EDIP ObsoleteClock/CalendarAlarm, Leap Year, NVSRAM, Watchdog Timer, Y2K8KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
-
3mA @ 5V0°C ~ 70°CThrough Hole28-DIP Module (0.600", 15.24mm)28-EDIP
DS1554WP-120
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 34-PCM ObsoleteClock/CalendarAlarm, Leap Year, NVSRAM, Watchdog Timer, Y2K32KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel2.97 V ~ 3.63 V3V4mA @ 3.3V0°C ~ 70°CSurface Mount34-PowerCap™ Module34-PowerCap Module
DS1556-70+
 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
-
6mA @ 5V0°C ~ 70°CThrough Hole32-DIP Module (0.600", 15.24mm)32-EDIP
DS1557P-70+
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 34-PCM ActiveClock/CalendarAlarm, Leap Year, NVSRAM, Watchdog Timer, Y2K512KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V3V6mA @ 5V0°C ~ 70°CSurface Mount34-PowerCap™ Module34-PowerCap Module
DS1557WP-120
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 34-PCM ObsoleteClock/CalendarAlarm, Leap Year, NVSRAM, Watchdog Timer, Y2K512KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel2.97 V ~ 3.63 V3V4mA @ 3.3V0°C ~ 70°CSurface Mount34-PowerCap™ Module34-PowerCap Module
DS1644P-120+
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 34-PCM ObsoleteClock/CalendarLeap Year, NVSRAM32KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V3V4mA @ 4.5V ~ 5.5V0°C ~ 70°CSurface Mount34-PowerCap™ Module34-PowerCap Module
DS1646-120+
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 32-EDIP ObsoleteClock/CalendarLeap Year, NVSRAM128KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V3V4mA @ 4.5 V ~ 5.5 V0°C ~ 70°CThrough Hole32-DIP Module (0.600", 15.24mm)32-EDIP
DS1647P-120+
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 34-PCM ObsoleteClock/CalendarLeap Year, NVSRAM512KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V3V4mA @ 4.5V ~ 5.5V0°C ~ 70°CSurface Mount34-PowerCap™ Module34-PowerCap Module
DS1670E
 Maxim Integrated IC RTC SYSTEM Controller SER 20-TSSOP ActivePortable System ControllerAlarm, Leap Year, Watchdog Timer
-
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
DS1685E-3
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-TSSOP 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°CSurface Mount24-TSSOP (0.173", 4.40mm Width)24-TSSOP
DS1685E-3+T&R
 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
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
DS1743-100+
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 28-EDIP ObsoleteClock/CalendarLeap Year, NVSRAM, Y2K8KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
-
3mA @ 5V0°C ~ 70°CThrough Hole28-DIP Module (0.600", 15.24mm)28-EDIP
DS1744W-120+
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 28-EDIP ActiveClock/CalendarLeap Year, NVSRAM, Y2K32KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel2.97 V ~ 3.63 V
-
2mA @ 3.3V0°C ~ 70°CThrough Hole28-DIP Module (0.600", 15.24mm)28-EDIP
DS1746-70+
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 32-EDIP ActiveClock/CalendarLeap Year, NVSRAM, Y2K128KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
-
4mA @ 5V0°C ~ 70°CThrough Hole32-DIP Module (0.600", 15.24mm)32-EDIP
DS1746W-120+
 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
-
2mA @ 3.3V0°C ~ 70°CThrough Hole32-DIP Module (0.600", 15.24mm)32-EDIP
DS1747-70+
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 32-EDIP ActiveClock/CalendarLeap Year, NVSRAM, Y2K512KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
-
4mA @ 5V0°C ~ 70°CThrough Hole32-DIP Module (0.600", 15.24mm)32-EDIP
DS1747W-120+
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 32-EDIP ActiveClock/CalendarLeap Year, NVSRAM, Y2K512KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel2.97 V ~ 3.63 V
-
2mA @ 3.3V0°C ~ 70°CThrough Hole32-DIP Module (0.600", 15.24mm)32-EDIP
DS17485S-5+T&R
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-SOIC 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°CSurface Mount24-SOIC (0.295", 7.50mm Width)24-SOIC
DS17885E-3+
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 28-TSOP 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°CSurface Mount28-TSSOP (0.465", 11.80mm Width)28-TSOP
DS17885S-5+
 Maxim Integrated IC RTC CLOCK/CALENDAR PAR 24-SOIC ActiveClock/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°CSurface Mount24-SOIC (0.295", 7.50mm Width)24-SOIC
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
Email: [email protected]
Copyrights © 2019 CHIPS IC All Rights Reserved