Home > Products > Integrated Circuits (ICs) > Clock/Timing > Real Time Clocks

Real Time Clocks

Manufacturers	Series	Package/Case	Packaging	Product Status	Programmable	Type	Features	Memory Size	Time Format	Date Format	Interface	Voltage - Supply	Voltage - Supply, Battery	Current - Timekeeping (Max)	Operating Temperature	Mounting Type	Grade	Qualification	Supplier Device Package
ABLIC Inc. Abracon LLC Ambiq Micro, Inc. ams-OSRAM USA INC. Analog Devices Inc./Maxim Integrated Austria Micro Benchmarq Cymbet Corporation Dallas Semiconductor Diodes Incorporated ECS Inc. Elantec EM Microelectronic Epson Harris Corporation Intersil KYOCERA AVX Micro Connectors, Inc. Microchip Technology National Semiconductor Nisshinbo Micro Devices Inc. NXP Semiconductors Raltron Electronics Renesas Rochester Electronics, LLC ROHM Semiconductor Simtek SparkFun Electronics STMicroelectronics Suntsu Electronics, Inc Suzhou Maswell Communication Technology Co. Ltd Texas Instruments	* - 2-Wire™ Artasie C2 C3 C7 C8 EconoRAM LV8571A RA-4574SA RA-8565SA RTC-4543SA RTC-4543SB RTC-4574JE RTC-4574NB RTC-4574SA RTC-72421 RTC-72423 RTC-8564JE RTC-8564NB RX-4035LC RX-4035SA RX-4045NB RX-4045SA RX-4571LC RX-4571NB RX-4571SA RX-4574LC RX-4575LC RX-4581NB RX-4801SA RX-4803LC RX-4803SA RX-8025NB RX-8025SA RX-8035LC RX-8035SA RX-8564LC RX-8571LC RX-8571NB RX-8571SA RX-8581JE RX-8581NB RX-8581SA RX-8731LC RX-8801SA RX-8803LC RX-8803SA RX4111CE RX4901CE RX6110SA RX8010SJ RX8111CE RX8130CE RX8804CE RX8900CE RX8900SA RX8901CE S-35190A H S-35390A H S-35399A03 Timekeeper® Timekeeper®, CAPHAT™	- 10-LFSOP (0.173", 4.40mm Width) 10-LFSOP, 10-MSOP (0.110", 2.80mm Width) 10-LLGA 10-SMD Module 10-SMD, No Lead 10-TDFN Exposed Pad 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) 10-VCDFN 10-VFDFN Exposed Pad 10-VFSOP, 10-MSOP (0.110", 2.80mm Width) 10-WFDFN Exposed Pad 10-XFDFN Exposed Pad 12-TFSOJ (0.094", 2.40mm Width) 12-UFBGA, WLBGA 12-VFDFN Exposed Pad 12-WFBGA, WLBGA 12-XFBGA, WLCSP 12-XFQFN Exposed Pad 14-DIP Module (0.335", 8.51mm) 14-SOIC (0.154", 3.90mm Width) 14-SOIC (0.197", 5.00mm Width) 14-TSSOP (0.173", 4.40mm Width) 14-WFDFN Exposed Pad 16-DIP (0.300", 7.62mm) 16-LFDFN Exposed Pad 16-LSSOP (0.173", 4.40mm Width) 16-SOIC (0.154", 3.90mm Width) 16-SOIC (0.295", 7.50mm Width) 16-SSOP (0.209", 5.30mm Width) 16-UFQFN Exposed Pad 16-VFDFN Exposed Pad 16-VFQFN Exposed Pad 16-VQFN Exposed Pad 16-XFQFN Exposed Pad 168-BBGA Module 168-PBGA Module 18-DIP (0.300", 7.62mm) 18-SOIC (0.213", 5.40mm Width) 18-SOX, 18-SOIC with Crystal (7.5mm Width) 18-XFQFN Exposed Pad 20-LSSOJ (0.213", 5.40mm Width) 20-PowerLFDFN 20-SOIC (0.295", 7.50mm Width) 20-SSOP (0.154", 3.90mm Width) 20-SSOP (0.209", 5.30mm Width) 20-TSSOP (0.173", 4.40mm Width) 20-VQFN Exposed Pad 22-LFDFN 22-SMD Module Exposed Pad 22-SMD, 20 Leads, Flat Leads 24-CDIP (0.300", 7.62mm) 24-DIP (0.300", 7.62mm) 24-DIP (0.600", 15.24mm) 24-DIP Module (0.600", 15.24mm) 24-DIP Module (0.61", 15.49mm) 24-SOIC (0.295", 7.50mm Width) 24-SOIC (0.311", 7.90mm Width) 24-SOP (0.213", 5.40mm Width) 24-SSOP (0.154", 3.90mm Width) 24-TSSOP (0.173", 4.40mm Width) 28-DIP (0.600", 15.24mm) 28-DIP Module (0.600", 15.24mm) 28-DIP Module (0.61", 15.49mm) 28-DIP Module (0.61", 15.49mm), 23 Leads 28-LCC (J-Lead) 28-SOIC (0.295", 7.50mm Width) 28-SOIC (0.337", 8.56mm Width) 28-SOIC (0.337", 8.56mm Width) with SNAPHAT Sockets 28-SOIC (0.345", 8.77mm Width) with SNAPHAT Sockets 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets 28-TSSOP (0.173", 4.40mm Width) 28-TSSOP (0.465", 11.80mm Width) 32-DIP Module (0.600", 15.24mm) 32-DIP Module (0.61", 15.49mm) 32-DIP Module (0.610", 15.49mm) 32-LFSOP (0.724", 18.40mm Width) 32-TQFP 34-LPM 34-PowerCap™ Module 36-DIP Module (0.610", 15.49mm) 44-BSOP (0.337", 8.56mm Width) 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT 44-QFP 48-BBGA 48-LQFP 6-SMD, J-Lead 6-VBGA, FCBGA 6-VFBGA, FCBGA 6-WDFN Exposed Pad 8-DIP (0.300", 7.62mm) 8-LCC 8-LSSOP (0.173", 4.40mm Width) 8-SMD 8-SMD, Flat Leads 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.173", 4.40mm Width) 8-SOIC (0.173", 4.40mm Width) Exposed Pad 8-SOIC (0.209", 5.30mm Width) 8-SOIC (0.295", 7.50mm Width) 8-TSSOP (0.173", 4.40mm Width) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-UFDFN 8-UFDFN Exposed Pad 8-VDFN Exposed Pad 8-VFBGA, WLBGA 8-VSSOP, 8-MSOP (0.110", 2.80mm Width) 8-WCDFN 8-WDFN Exposed Pad 8-WFBGA, WLBGA 8-WFDFN Exposed Pad 8-XFBGA, WLCSP 80-BBGA Die Module	Bag Bulk Strip Tape & Reel (TR) Tray Tube	Active Discontinued at Masstock Electronics Last Time Buy Not For New Designs Obsolete	- Not Verified Verified	- Binary Counter Clock/Calendar Clock/Calendar/Supervisor Elapsed Time Counter Phantom Time Chip Portable System Controller Real Time Clock (RTC) Temperature Recorder Time Event Recorder Timer Clock Peripheral (TCP)	- Alarm Alarm, Backup Supply Charger, Leap Year, RAM Alarm, Battery Switch, Clock Output Hz-MHz, Event Input, Temperature Alarm, Timer, Trickle Charge with Charge Pump Alarm, Battery Switch, EEPROM, External Event Interrupt, Leap Year, Programmable Clock Output, RAM, Timer, Trickle Charger Alarm, Battery Switch, Leap Year, Programmable Clock Output, Timer, Watchdog Timer Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Alarm, Daylight Savings, Leap Year, RAM Alarm, Daylight Savings, Leap Year, SRAM Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer Alarm, Daylight Savings, NVRAM, NVSRAM, Square Wave Output, Y2K Alarm, Daylight Savings, NVSRAM Alarm, Daylight Savings, SRAM Alarm, EEPROM Alarm, EEPROM, Leap Year, Programmable Clock Output, RAM, Temperature, Timer, Trickle Charger Alarm, EEPROM, Leap Year, RAM, Trickle-Charger Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, TCXO/Crystal, Trickle-Charger Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Trickle-Charger Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Watchdog Timer Alarm, EEPROM, Leap Year, Square Wave Output, Trickle-Charger Alarm, EEPROM, Leap Year, SRAM, Supervisor, Watchdog Timer, Y2K Alarm, EEPROM, Leap Year, Supervisor, Trickle-Charger, Watchdog Timer Alarm, EEPROM, Leap Year, Supervisor, Watchdog Timer Alarm, EEPROM, Leap Year, Unique ID Alarm, EEPROM, RAM, Trickle Charger Alarm, EEPROM, TCXO/Crystal, Trickle-Charger Alarm, External Event Interrupt, Leap Year, Programmable Clock Output, RAM, Timer Alarm, FRAM, Leap Year, Square Wave Output, TCXO/Crystal Alarm, Leap Year Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger Alarm, Leap Year, NVRAM, Square Wave Output, Trickle-Charger Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer Alarm, Leap Year, NVSRAM, Square Wave Output Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K Alarm, Leap Year, NVSRAM, Trickle-Charger Alarm, Leap Year, NVSRAM, Watchdog Timer Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K Alarm, Leap Year, NVSRAM, Y2K Alarm, Leap Year, Offset Compensation, Programmable Clock Output, RAM, Timer Alarm, Leap Year, Programmable Clock Output, RAM, Timer Alarm, Leap Year, Programmable Clock Output, Timer Alarm, Leap Year, Programmable Clock Output, Watchdog Timer Alarm, Leap Year, RAM Alarm, Leap Year, RAM, Square Wave Output, SRAM, Trickle Charger Alarm, Leap Year, RAM, Square Wave Output, Supervisor, Trickle Charger, Unique ID, Watchdog Timer Alarm, Leap Year, RAM, Square Wave Output, Trickle Charger Alarm, Leap Year, RAM, Square Wave Output, Trickle Charger, Unique ID, Watchdog Timer Alarm, Leap Year, RAM, SRAM Alarm, Leap Year, RAM, Trickle Charger Alarm, Leap Year, Square Wave Output Alarm, Leap Year, Square Wave Output, SRAM Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal, Watchdog Timer Alarm, Leap Year, Square Wave Output, SRAM, Unique ID Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer Alarm, Leap Year, Square Wave Output, Supervisor, Watchdog Timer, Y2K Alarm, Leap Year, Square Wave Output, TCXO/Crystal Alarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer Alarm, Leap Year, Square Wave Output, Trickle-Charger Alarm, Leap Year, Square Wave Output, Unique ID Alarm, Leap Year, Square Wave Output, Watchdog Timer Alarm, Leap Year, SRAM Alarm, Leap Year, SRAM, Trickle-Charger Alarm, Leap Year, SRAM, Trickle-Charger, Watchdog Timer Alarm, Leap Year, SRAM, Watchdog Timer Alarm, Leap Year, Supervisor, Unique ID, Watchdog Timer Alarm, Leap Year, Supervisor, Watchdog Timer Alarm, Leap Year, Trickle-Charger Alarm, Leap Year, Unique ID Alarm, Leap Year, Unique ID, Y2K Alarm, Leap Year, Watchdog Timer Alarm, Leap Year, Watchdog Timer, Y2K Alarm, NVRAM, Square Wave Output, Trickle-Charger, Watchdog Timer Alarm, NVSRAM Alarm, NVSRAM, Square Wave Output Alarm, NVSRAM, Square Wave Output, Y2K Alarm, Programmable Clock Output, RAM, Timer, Trickle Charger, Watchdog Timer Alarm, RAM Alarm, Square Wave Output Alarm, Square Wave Output, SRAM Alarm, Square Wave Output, SRAM, Trickle Charge, Watchdog Timer Alarm, Square Wave Output, Trickle-Charger, Watchdog Timer Alarm, Square Wave Output, Watchdog Timer Alarm, SRAM Alarm, SRAM, Trickle-Charger Alarm, Supervisor, Watchdog Timer Alarm, Watchdog Timer Alarm, Y2K Audio, Leap Year, Trickle-Charger EEPROM, Leap Year EEPROM, Leap Year, NVSRAM EEPROM, Leap Year, NVSRAM, RAM EEPROM, Leap Year, RAM, SRAM EEPROM, Leap Year, Supervisor, Trickle-Charger, Watchdog Timer Leap Year Leap Year, NVSRAM Leap Year, NVSRAM, RAM, Trickle-Charger Leap Year, NVSRAM, Square Wave Output Leap Year, NVSRAM, Square Wave Output, Trickle-Charger Leap Year, NVSRAM, Trickle-Charger Leap Year, NVSRAM, Y2K Leap Year, RAM Leap Year, RAM, Square Wave Output Leap Year, Square Wave Output Leap Year, Square Wave Output, Trickle-Charger Leap Year, Square Wave Output, Y2K Leap Year, SRAM Leap Year, Supervisor Leap Year, Trickle-Charger Leap Year, Watchdog Timer NVSRAM Square Wave Output Square Wave Output, Unique ID Trickle-Charger Unique ID	- 10B 113B 114B 120b 128B 128KB 16B 16B, 32B 1B 236B 240B 242B 256B 2B 2B, 43B 2B, 8B 2KB 2MB 31B 32B 32KB 3B 43B 44B 4KB 50B 512B 512KB 56B 56B, 8KB 64B 64B, 1Kb 7B 80b 8B 8KB 96B	- Binary HH:MM:SS HH:MM:SS (12/24 hr) HH:MM:SS (24 hr) HH:MM:SS:100th (24 hr) HH:MM:SS:hh HH:MM:SS:hh (12/24 hr) HH:MM:SS:hh (24 hr)	- Binary YY-MM-DD YY-MM-DD-dd YYYY-MM-DD	- 1-Wire® and 3-Wire 1-Wire® Serial 2-Wire Serial 3-Wire Serial 3-Wire Serial, 4-Wire Serial 3-Wire Serial, SPI 4-Wire Serial I2C I2C, 2-Wire Serial I2C, Serial I2C, SMBus I2C, SPI Multiplexed Parallel Parallel, Serial Serial SPI SPI, 3-Wire Serial SPI, 4-Wire Serial	- 0.9V ~ 1.8V, 0.9V ~ 5.5V 0.9V ~ 5.5V 0.9V ~ 5.5V, 1.8V ~ 5.5V 1.1V ~ 5.5V 1.1V, 1.2V, 2V ~ 5.5V 1.25V ~ 5.5V 1.2V ~ 5.5V 1.35V ~ 5.5V 1.3V ~ 4.4V 1.3V ~ 5.5V 1.3V ~ 5.5V, 2.1V ~ 5.5V 1.4V ~ 5.5V 1.4V ~ 5.5V, 2.1V ~ 5.5V 1.5V ~ 3.6V 1.5V ~ 4.4V 1.5V ~ 5.5V 1.6V ~ 3.6V 1.6V ~ 5.5V 1.6V ~ 5V, 2.5V ~ 5V 1.71V ~ 1.89V 1.71V ~ 5.5V 1.7V ~ 3.6V 1.7V ~ 5.5V 1.7V ~ 6V 1.8V ~ 2.2V 1.8V ~ 3.6V 1.8V ~ 4.2V 1.8V ~ 5.5V 1.8V ~ 6V 1.9V, 2.6V ~ 5.5V 1V ~ 4.4V 1V ~ 5.5V 2.34V ~ 5.5V 2.38V ~ 5.5V 2.3V ~ 4.5V 2.3V ~ 5.5V 2.4V ~ 5.5V 2.5V ~ 5.5V 2.5V ~ 5V 2.5V ~ 6V 2.63V ~ 5.5V 2.7V ~ 3.3V 2.7V ~ 3.3V, 4.5V ~ 5.5V 2.7V ~ 3.63V 2.7V ~ 3.6V 2.7V ~ 3.7V 2.7V ~ 3.7V, 4.5V ~ 5.5V 2.7V ~ 5.5V 2.7V ~ 6V 2.8V ~ 5.5V 2.97V ~ 3.63V 2.97V ~ 3.63V, 4.5V ~ 5.5V 2.97V ~ 5.5V 2V ~ 5.5V 3.3V ~ 5.5V 3V 3V ~ 3.6V 3V ~ 3.7V 3V ~ 5.5V 3V ~ 6V 3V, 3.3V, 5V 4.5V ~ 5.5V 4.75V ~ 5.25V 4.75V ~ 5.5V 4V ~ 5.5V 5.5V 5V	- 0.9V ~ 3.6V 0.9V ~ 5.5V 1.15V ~ 5.5V 1.1V ~ 5.5V 1.2V ~ 5.5V 1.3V ~ 3.63V 1.3V ~ 3.6V 1.3V ~ 3.7V 1.3V ~ 5.5V 1.4V ~ 3.6V 1.4V ~ 5.5V 1.55V ~ 3.6V 1.5V ~ 3.6V 1.5V ~ 3.7V 1.5V ~ 5.5V 1.6V ~ 3.6V 1.6V ~ 3.7V 1.6V ~ 5.5V 1.6V ~ 5V 1.7V ~ 3.6V 1.8V ~ 4.2V 1.8V ~ 5.5V 1V ~ 5.5V 2.2V ~ 3.2V 2.2V ~ 5.1V 2.2V ~ 6V 2.3V ~ 3.6V 2.3V ~ 4.5V 2.3V ~ 4V 2.3V ~ 5.5V 2.4V ~ 3.5V 2.4V ~ 4V 2.5V ~ 3.5V 2.5V ~ 3.6V 2.5V ~ 3.7V 2.5V ~ 35V 2.5V ~ 4V 2.5V ~ 5.5V 2.6V ~ 3.5V 2.7V ~ 4.95V 2.8V ~ 3.5V 2.8V ~ 5.5V 2V ~ 3.05V 2V ~ 3.5V 2V ~ 3.8V 2V ~ 4V 2V ~ 5.5V 3.2V 3.3V 3V 3V ~ 4.5V 4.1V Integrated	- 0.05µA @ 2.5V ~ 5.5V 0.06µA @ 2.5V ~ 5.5V 0.06µA @ 3V 0.08µA @ 3V 0.17µA ~ 0.22µA @ 1.8V ~ 3V 0.18µA @ 3V 0.24µA @ 3V 0.25µA @ 3V 0.25µA ~ 0.27µA @ 3V ~ 5V 0.25µA ~ 0.45µA @ 3V ~ 5V 0.29µA ~ 0.33µA @ 1.8V ~ 3V 0.32µA ~ 0.35µA @ 3V ~ 5V 0.33µA @ 3V 0.33µA ~ 0.38µA @ 2V ~ 5V 0.33µA ~ 0.39µA @ 1.6V ~ 3.6V 0.35µA @ 3V 0.35µA ~ 0.4µA @ 2V ~ 5V 0.3µA @ 1.3V ~ 1.8V 0.3µA ~ 0.4µA @ 1.1V ~ 5V 0.3µA ~ 1µA @ 2V ~ 5V 0.45µA @ 2.5V ~ 5.5V 0.45µA ~ 0.55µA @ 2V ~ 5V 0.49µA ~ 0.6µA @ 3V ~ 5V 0.4µA @ 1.6V ~ 5.5V 0.4µA @ 3V 0.4µA @ 5V 0.4µA ~ 0.95µA @ 1V ~ 4.4V 0.55µA ~ 0.6µA @ 3V ~ 5V 0.5mA @ 2.7V ~ 3.6V 0.5µA @ 1.5V 0.5µA @ 1.7V ~ 5.5V 0.5µA @ 2V ~ 5V 0.5µA @ 3V 0.5µA @ 4.5V ~ 5.5V 0.5µA @ 5V 0.5µA ~ 0.52µA @ 3V ~ 5V 0.5µA ~ 0.6µA @ 3V ~ 5V 0.5µA ~ 0.7µA @ 1.6V ~ 5.5V 0.5µA ~ 1µA @ 3V ~ 5V 0.63µA ~ 1.7µA 0.65µA @ 1.8V 0.65µA ~ 0.7µA @ 1.1V ~ 5.5V 0.65µA ~ 0.7µA @ 3V ~ 5V 0.65µA ~ 0.85µA @ 3V ~ 5V 0.65µA ~ 0.8µA @ 2V ~ 5V 0.6µA @ 1.3V ~ 1.8V 0.6µA @ 3.3V 0.6µA ~ 0.75µA @ 2V ~ 5V 0.6µA ~ 0.7µA @ 3V ~ 5V 0.6µA ~ 14µA @ 3V ~ 5V 0.7µA @ 1.7V ~ 3.6V 0.7µA ~ 0.8µA @ 2V ~ 5V 0.7µA ~ 0.8µA @ 3V ~ 5V 0.7µA ~ 0.95µA @ 1.3V ~ 4.4V 0.7µA ~ 0.95µA @ 3.6V ~ 4.4V 0.7µA ~ 0.9µA @ 3V ~ 5V 0.7µA ~ 2.2µA @ 2V ~ 5V 0.85µA ~ 0.9µA @ 3V ~ 5V 0.885µA @ 3.3V 0.8µA @ 1.2V ~ 1.8V 0.8µA @ 1.3V ~ 1.8V 0.8µA @ 2.4V ~ 5.5V 0.8µA @ 3V 0.8µA @ 5V 0.8µA ~ 1.2µA @ 3V ~ 5V 0.93µA ~ 1.1µA @ 3V ~ 5V 0.95µA ~ 1µA @ 3V ~ 5V 0.9µA @ 3V 0.9µA ~ 1.1µA @ 1.5V ~ 4.4V 0.9µA ~ 1.8µA @ 2V ~ 5V 0.9µA ~ 2µA @ 3V ~ 6V 1.05µA ~ 4.2µA @ 2V ~ 5V 1.1mA @ 3.3V 1.2µA (Typ) @ 3.3V 1.2µA @ 3.3V 1.2µA ~ 1.4µA @ 3V ~ 5V 1.2µA ~ 1.8µA @ 3V ~ 5V 1.2µA ~ 2µA @ 1.6V ~ 5.5V 1.2µA ~ 31µA @ 3V ~ 5.5V 1.2µA ~ 5µA @ 2V ~ 5V 1.3mA @ 5V 1.3µA @ 1.7V ~ 5.5V 1.4mA @ 2.7V ~ 3.6V 1.4mA @ 2.7V ~ 5.5V 1.4µA ~ 1.5µA @ 3V ~ 5V 1.5mA (Typ) @ 2.7 V ~ 3.6 V 1.5mA (Typ) @ 4.5 V ~ 5.5 V 1.5mA @ 4.5V ~ 5.5V 1.5µA @ 3.3V 1.5µA @ 3V 1.5µA @ 5V 1.5µA ~ 1.6µA @ 3V ~ 5V 1.5µA ~ 2.2µA @ 1.4V ~ 5V 1.5µA ~ 2µA @ 3V ~ 5.5V 1.5µA ~ 2µA @ 3V ~ 6V 1.6µA ~ 2µA @ 3V ~ 5V 1.8µA @ 2V ~ 5V 1.8µA @ 5V 1.8µA ~ 2µA @ 3V ~ 5V 1.8µA ~ 3µA @ 2V ~ 5V 100µA (Typ) @ 2.7V ~ 5.5V 100µA (Typ) @ 4.5V ~ 5.5V 100µA @ 1.71V ~ 1.89V 100µA @ 1.89V 100µA @ 2.2V 100µA @ 2.7V ~ 5.5V 100µA @ 200µA @ 1.89V ~ 5.5V 100µA @ 2V ~ 5.5V 100µA @ 3.3V 100µA @ 3V 10mA @ 5V 10µA @ 3V 10µA @ 5.5V 10µA @ 5V 10µA ~ 15µA @ 3V ~ 5V 10µA ~ 20µA @ 2.7V ~ 5.5V 10µA ~ 20µA @ 2.7V ~ 5V 10µA ~ 50µA @ 1V ~ 5V 110µA @ 3.63V 110µA ~ 170µA @ 3.63V ~ 5.5V 120µA ~ 1.8µA @ 3V ~ 5V 120µA ~ 160µA @ 3.3V ~ 5.5V 120µA ~ 160µA @ 3.63V ~ 5.5V 120µA ~ 200µA @ 1.89V ~ 5.5V 125µA @ 2.7V ~ 3.3V 125µA @ 2.7V ~ 5.5V 125µA @ 3.3V 125µA ~ 200µA @ 3.63V ~ 5.5V 125µA ~ 200µA @ 3V ~ 5.5V 130µA ~ 200µA @ 3.63V ~ 5.5V 14.3mA @ 3V ~ 3.6V 140µA @ 2.7V ~ 3.3V 14µA ~ 15µA @ 3V ~ 5V 14µA ~ 30µA @ 3V ~ 5V 150µA @ 1.5V ~ 5.5V 150µA @ 2.97V ~ 3.63V 150µA @ 3.3V 150µA @ 3.63V 150µA @ 3V ~ 3.6V 150µA @ 5.5V 15mA @ 4.5V ~ 5.5V 15µA @ 3V 15µA @ 5.5V 15µA @ 5V 175µA @ 2.3V ~ 4.5V 175µA @ 2.97V ~ 5.5V 180nA @ 3V 18µA @ 5.5V 1mA @ 3.3V 1mA @ 4.5V ~ 5.5V 1µA @ 1.8V ~ 3.6V 1µA @ 1.8V ~ 5.5V 1µA @ 3V 1µA @ 3V ~ 5V 1µA @ 5.5V 1µA @ 5V 1µA ~ 1.35µA @ 3V ~ 5.5V 1µA ~ 1.8µA @ 3V ~ 5V 1µA ~ 2µA @ 3V ~ 5V 1µA ~ 3µA @ 2V ~ 5V 2.1µA @ 3V 2.1µA ~ 3.4µA @ 3V ~ 5V 2.4µA ~ 31µA @ 2V ~ 5.5V 2.5mA @ 4.5V ~ 5.5V 2.5µA @ 3V 2.8µA ~ 3.4µA @ 3V ~ 5V 200µA @ 1.71V ~ 5.5V 200µA @ 3.3V 200µA @ 3.63V ~ 5.5V 200µA @ 5.5V 200µA @ 5V 20µA @ 5V 20µA ~ 500µA @ 5V 210nA @ 3V 220µA @ 3V ~ 3.6V 25.3µA ~ 81µA @ 2V ~ 5V 250µA @ 3V ~ 5.5V 270µA @ 4.5V ~ 5.5V 2mA @ 2.7V ~ 3.6V 2mA @ 2.7V ~ 3.7V 2mA @ 2.97V ~ 3.63V 2mA @ 3.3V 2mA @ 3V 2mA @ 3V ~ 3.6V 2mA @ 3V, 3mA @ 5V 2mA @ 4.5V ~ 5.5V 2mA @ 4.75V ~ 5.5V 2µA @ 3.3V 2µA @ 3.63V 2µA @ 3V 30.3µA @ 2V ~ 5V 300µA @ 5V 3mA @ 3V ~ 3.6V 3mA @ 4.5V ~ 5.5V 3mA @ 4.75V ~ 5.5V 3mA @ 4.7V ~ 5.5V 3mA @ 5V 3µA @ 3V 3µA @ 5V 3µA ~ 3.5µA @ 3V ~ 5.5V 4.6µA ~ 5.5µA @ 1.4V ~ 5V 4.9µA ~ 5.1µA @ 3V ~ 5V 4mA @ 3.3V 4mA @ 3V ~ 3.6V 4mA @ 4.5 V ~ 5.5 V 4mA @ 4.5V ~ 5.5V 4mA @ 5V 4µA @ 3V 4µA ~ 15µA @ 2V ~ 5V 4µA ~ 15µA @ 3V ~ 5.5V 4µA ~ 6µA @ 3V ~ 5V 4µA ~ 7µA @ 3V ~ 5V 5.5µA ~ 6.5µA @ 3V ~ 5V 500nA @ 3V 500µA @ 2.2V 500µA @ 3.3V 500µA @ 3.63V 500µA @ 5V 50µA @ 5V 50µA ~ 3mA @ 3V ~ 5V 5mA @ 4.5V ~ 5.5V 5mA @ 5V 5mA ~ 10mA @ 3V ~ 5V 5µA @ 3.63V ~ 5.5V 5µA ~ 10µA @ 2V ~ 5V 5µA ~ 7.8µA @ 1.2V ~ 5.5V 65µA @ 3.3V 6mA @ 2.2 V ~ 5.8 V 6mA @ 5V 700nA ~ 900nA @ 3V ~ 5V 70µA @ 1.5V ~ 5.5V 70µA @ 2.7V ~ 5.5V 70µA @ 2V ~ 5.5V 750nA ~ 800nA @ 1.8V ~ 4.2V 770nA ~ 2.135µA @ 1.2V ~ 5.5V 7mA @ 3.3V 7mA @ 5V 7µA @ 5V 8µA ~ 14µA @ 3V ~ 5V 8µA ~ 15µA @ 2V ~ 5V 950nA ~ 1µA @ 3V ~ 5V	- -10°C ~ 70°C -20°C ~ 70°C -25°C ~ 70°C -30°C ~ 70°C -30°C ~ 80°C -40°C ~ 105°C -40°C ~ 105°C (TA) -40°C ~ 125°C -40°C ~ 125°C (TA) -40°C ~ 85°C -40°C ~ 85°C (TA) 0°C ~ 70°C 0°C ~ 70°C (TA)	- Surface Mount Surface Mount, Wettable Flank Through Hole	- Automotive	- AEC-Q100 AEC-Q200	- 10-DFN (2.6x2.6) 10-HVSON (3x3) 10-LGA (5x5) 10-MSOP 10-SMD 10-SON (3.7x2.5) 10-SON (5x3.2) 10-SSOP 10-SSOP-G 10-TDFN (3x3) 10-TSSOP 10-TSSOPG 10-uMAX 10-uMAX/uSOP 12-HVSON (3x3) 12-UFBGA, WLBGA 12-VSOJ 12-WLCSP (1.19x0.94) 12-WLP (1.47x1.97) 12-WLP (1.63x1.23) 12-WLP (2.14x1.56) 14-EDIP 14-SOIC 14-SOP 14-TDFN (3x3) 14-TDFN-EP (3x3) 14-TSSOP 16-DFN (5x4) 16-HLSON (4.5x3.5) 16-HVQFN (3x3) 16-MLPQ (3x3) 16-PDIP 16-QFN (3x3) 16-QFN (4x4) 16-SO 16-SOIC 16-SSOP 168-BGA (40x40) 168-PBGA Module (42.3x42.3) 18-DIP 18-QFN (2x2) 18-SOP 18-SOX 20-DFN (5.5x4) 20-HVQFN (5x5) 20-QSOP 20-SO 20-SOIC 20-SSOP 20-TSSOP 20-VSOJ 22-SON 22-SON (6.1x4.7) 22-SON (6.3x4.8) 24-CERDIP 24-DIP 24-DIP Module 24-EDIP 24-PCDIP, CAPHAT® 24-PDIP 24-SOIC 24-SOP 24-SSOP 24-SSOP/QSOP 24-TSSOP 28-DIP Module 28-DIP Module (18.42x37.72) 28-EDIP 28-PCDIP, CAPHAT® 28-PDIP 28-PLCC (11.51x11.51) 28-SO 28-SOH 28-SOIC 28-SOP 28-TSOP 28-TSSOP 32-DIP Module (18.42x42.8) 32-DIP Module (18.42x52.96) 32-EDIP 32-PMDIP 32-PMDIP Module 32-TQFP (7x7) 32-TSOP 34-LPM 34-PowerCap Module 36-DIP Module 36-DIP Module (18.42x52.96) 44-MQFP (10x10) 44-SOH 48-LQFP (7x7) 48-PBGA (11.8x15.3) 6-FlipChip (1.09x1.37) 6-FlipChip (2.82x2.54) 6-TDFN (3x3) 6-TDFN-EP (3x3) 6-TSOC 8-CLCC (3.2x1.5) 8-DIP 8-EMP 8-HSOP-E 8-HVSON (4x4) 8-HWSON (2x3) 8-LCC (1.5x3.2) 8-MSOP 8-PDIP 8-SO 8-SOIC 8-SON (2x1.2) 8-SON (3.2x1.5) 8-SOP 8-SOP-J 8-SSOP 8-TDFN (2x2) 8-TDFN (2x3) 8-TDFN (3x3) 8-TDFN EP 8-TDFN-EP (3x3) 8-TSSOP 8-TSSOP-B 8-uMAX/uSOP 8-UTDFN (2x2) 8-WLCSP 8-WLP (.97x1.97) 8-WLP (2.07x2.27) 8-µTDFN (2x2) 80-BGA (40x40) Die Module QFN018018-12 QFN023023-16 SMD SNT-8A VSON008X2030

Reset All

Apply All

Result

Mfr. Part #	Price	Quantity	Datasheet	Series	Package/Case	Packaging	Product Status	Programmable	Type	Features	Memory Size	Time Format	Date Format	Interface	Voltage - Supply	Voltage - Supply, Battery	Current - Timekeeping (Max)	Operating Temperature	Mounting Type	Grade	Qualification	Supplier Device Package
RX-8025NB:AA IC RTC CLK/CALENDAR I2C 22SON EPSON	-	RFQ	Datasheet	RX-8025NB	22-SMD, 20 Leads, Flat Leads	Bulk	Active	Not Verified	Clock/Calendar	Alarm, Leap Year	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.7V ~ 5.5V	-	1.2µA ~ 1.8µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	22-SON
RX-4045SAAAB PURE SN IC RTC CLK/CALENDAR SPI 14SOP EPSON	-	RFQ	Datasheet	RX-4045SA	14-SOIC (0.197", 5.00mm Width)	Strip	Active	Not Verified	Clock/Calendar	Alarm	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	1.7V ~ 5.5V	-	1.2µA ~ 1.8µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	14-SOP
RX-8025NBAC PURE SN IC RTC CLK/CALENDAR I2C 22SON EPSON	-	RFQ	Datasheet	RX-8025NB	22-SMD, 20 Leads, Flat Leads	Bulk	Active	Not Verified	Clock/Calendar	Alarm	-	HH:MM:SS	YY-MM-DD	I2C	1.7V ~ 5.5V	1.15V ~ 5.5V	1.2µA ~ 1.8µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	22-SON (6.3x4.8)
RX-8035LC:AC3 PURE SN IC RTC EVENT REC I2C 12VSOJ EPSON	-	RFQ	Datasheet	RX-8035LC	12-TFSOJ (0.094", 2.40mm Width)	Tape & Reel (TR)	Active	Not Verified	Time Event Recorder	Alarm	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.4V ~ 5.5V	1V ~ 5.5V	2.5µA @ 3V	-40°C ~ 85°C	Surface Mount	-	-	12-VSOJ
RX-4035LC:BB PURE SN IC RTC EVENT REC SPI 12VSOJ EPSON	-	RFQ	Datasheet	RX-4035LC	12-TFSOJ (0.094", 2.40mm Width)	Strip	Active	Not Verified	Time Event Recorder	Alarm	-	-	-	SPI	2.4V ~ 5.5V	1V ~ 5.5V	2.5µA @ 3V	-40°C ~ 85°C	Surface Mount	-	-	12-VSOJ
RX-8035LC:B PURE SN IC RTC EVENT REC I2C 12VSOJ EPSON	-	RFQ	Datasheet	RX-8035LC	12-TFSOJ (0.094", 2.40mm Width)	Strip	Active	Not Verified	Time Event Recorder	Alarm	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.4V ~ 5.5V	1V ~ 5.5V	2.5µA @ 3V	-40°C ~ 85°C	Surface Mount	-	-	12-VSOJ
V3025SO28B+ IC RTC CLK/CALENDAR 28SOIC EM Microelectronic	-	RFQ	Datasheet	-	28-SOIC (0.295", 7.50mm Width)	Tape & Reel (TR)	Last Time Buy	Not Verified	Clock/Calendar	Alarm, Leap Year, RAM	8B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	-	2V ~ 5.5V	2V ~ 4V	15µA @ 5.5V	-40°C ~ 85°C (TA)	Surface Mount	-	-	28-SOIC
DS12885SN+T&R IC RTC CLK/CALENDAR PAR 24SOIC Analog Devices Inc./Maxim Integrated	-	RFQ	Datasheet	-	24-SOIC (0.295", 7.50mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	114B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	2.5V ~ 4V	15mA @ 4.5V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	24-SOIC
RX8900CE:UAB IC RTC CLK/CALENDAR I2C 10SMD EPSON	-	RFQ	Datasheet	RX8900CE	10-SMD, No Lead	Bulk	Active	Not Verified	Clock/Calendar	Alarm	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	I2C	2.5V ~ 5.5V	1.6V ~ 5.5V	1.4µA ~ 1.5µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	10-SMD
RX-4045NB:AA3 PURE SN IC RTC CLK/CALENDAR SER 22SON EPSON	-	RFQ	Datasheet	RX-4045NB	22-LFDFN	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm	-	HH:MM:SS	YY-MM-DD-dd	4-Wire Serial	1.7V ~ 5.5V	-	1.2µA ~ 1.8µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	22-SON (6.3x4.8)
RX-4045NBAC3 IC RTC CLK/CALENDAR SER 22SON EPSON	-	RFQ	Datasheet	RX-4045NB	22-SMD, 20 Leads, Flat Leads	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm	-	HH:MM:SS	YY-MM-DD-dd	4-Wire Serial	1.7V ~ 5.5V	1.15V ~ 5.5V	1.2µA ~ 1.8µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	22-SON (6.3x4.8)
DS1685QN-5+ IC RTC CLK/CALENDAR PAR 28PLCC Analog Devices Inc./Maxim Integrated	-	RFQ	Datasheet	-	28-LCC (J-Lead)	Tube	Active	Not Verified	Clock/Calendar	Alarm, NVSRAM, Square Wave Output, Y2K	242B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	2.5V ~ 3.7V	3mA @ 5V	-40°C ~ 85°C	Surface Mount	-	-	28-PLCC (11.51x11.51)
DS32B35-33# IC RTC CLK/CALENDAR I2C 20SOIC Analog Devices Inc./Maxim Integrated	-	RFQ	Datasheet	-	20-SOIC (0.295", 7.50mm Width)	Tube	Obsolete	Not Verified	Clock/Calendar	Alarm, FRAM, Leap Year, Square Wave Output, TCXO/Crystal	2KB	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7V ~ 3.63V	2.3V ~ 3.6V	110µA @ 3.63V	0°C ~ 70°C	Surface Mount	-	-	20-SOIC
DS1500Y IC RTC CLK/CALENDAR PAR 32EDIP Analog Devices Inc./Maxim Integrated	-	RFQ	Datasheet	-	32-DIP Module (0.600", 15.24mm)	Tube	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K	256B	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	2.5V ~ 3.7V	5mA @ 4.5V ~ 5.5V	0°C ~ 70°C	Through Hole	-	-	32-EDIP
DS1500W IC RTC CLK/CALENDAR PAR 32EDIP Analog Devices Inc./Maxim Integrated	-	RFQ	Datasheet	-	32-DIP Module (0.600", 15.24mm)	Tube	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K	256B	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	3V ~ 3.6V	2.5V ~ 3.7V	4mA @ 3V ~ 3.6V	0°C ~ 70°C	Through Hole	-	-	32-EDIP
RTC-8564JE:BB ROHS IC RTC CLK/CALENDAR I2C 20VSOJ EPSON	-	RFQ	Datasheet	RTC-8564JE	20-LSSOJ (0.213", 5.40mm Width)	Strip	Active	Not Verified	Clock/Calendar	Alarm	-	HH:MM:SS	YY-MM-DD-dd	I2C	1.8V ~ 5.5V	-	0.7µA ~ 0.8µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	20-VSOJ
RX8900SA:UAB PURE SN IC RTC CLK/CALENDAR I2C 14SOP EPSON	-	RFQ	Datasheet	RX8900SA	14-SOIC (0.197", 5.00mm Width)	Bulk	Active	Not Verified	Clock/Calendar	Alarm	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	I2C	2.5V ~ 5.5V	1.6V ~ 5.5V	1.4µA ~ 1.5µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	14-SOP
RTC-8564JEBX ROHS IC RTC CLK/CALENDAR I2C 20VSOJ EPSON	-	RFQ	Datasheet	RTC-8564JE	20-LSSOJ (0.213", 5.40mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm	-	HH:MM:SS	YY-MM-DD-dd	I2C	1.8V ~ 5.5V	-	0.7µA ~ 0.8µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	20-VSOJ
RX-8035LC:AC PURE SN IC RTC EVENT REC I2C 12VSOJ EPSON	-	RFQ	Datasheet	RX-8035LC	12-TFSOJ (0.094", 2.40mm Width)	Strip	Active	Not Verified	Time Event Recorder	Alarm	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.4V ~ 5.5V	1V ~ 5.5V	2.5µA @ 3V	-40°C ~ 85°C	Surface Mount	-	-	12-VSOJ
DS32C35-33#T&R IC RTC CLK/CALENDAR I2C 20SOIC Analog Devices Inc./Maxim Integrated	-	RFQ	Datasheet	-	20-SOIC (0.295", 7.50mm Width)	Tape & Reel (TR)	Obsolete	Not Verified	Clock/Calendar	Alarm, FRAM, Leap Year, Square Wave Output, TCXO/Crystal	8KB	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7V ~ 3.63V	2.3V ~ 3.6V	110µA @ 3.63V	0°C ~ 70°C	Surface Mount	-	-	20-SOIC

Total 2405 Record«Prev 1... 74 75 76 777879 80 81...121 Next»

Category Overview

Real Time Clocks Products & Selection Guide

Real Time Clocks are widely used in industrial automation, automotive electronics, communication equipment, consumer electronics, new energy systems, and many other electronic applications. We offer products from multiple manufacturers, packages, and specifications to help engineers and buyers compare and source suitable components.

Use the manufacturer, key specification, availability, and Datasheet filters to narrow down the right Real Time Clocks. If the exact part is not listed, submit an inquiry and our team can help check stock, lead time, and suitable alternatives.

FAQ

How do I choose the right Real Time Clocks?

Start with the required electrical specifications, package, operating temperature, application conditions, and manufacturer preference, then compare availability and lead time.

Can I order based on the stock shown on this page?

Inventory can change with supply conditions. For project or volume requirements, please submit an inquiry so current stock, pricing, and lead time can be confirmed.

What if the exact part number I need is not listed?

Send us the part number and required quantity. We can help source hard-to-find parts and suggest suitable alternatives based on key specifications.

Do you provide Datasheets and technical documents?

Yes. Use the Datasheet links in the product list to view available technical documents. If a document is unavailable, contact us and we can help check it.

Products

Phone

User

WHATSAPP

+86 13760362468