Real Time Clocks

Browse available Real Time Clocks components by manufacturer and part number. Review stock status, datasheets and key technical parameters to compare suitable options for design, maintenance, replacement or purchasing.

If you already have a target MPN or BOM, send it to EGOO with the required quantity. Our sourcing team can check availability, lead time and quotation options, including hard-to-find and obsolete parts.

Mfr. Part #	Availability	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
M41T60Q6F IC RTC CLK/CALENDAR I2C 16QFN STMicroelectronics	1,715	-	RFQ	Datasheet	-	16-VFQFN Exposed Pad	Tape & Reel (TR)	Obsolete	Not Verified	Clock/Calendar	Leap Year	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.3V ~ 4.4V	-	0.7µA ~ 0.95µA @ 3.6V ~ 4.4V	-40°C ~ 85°C	Surface Mount	-	-	16-QFN (3x3)
DS1682S/T&R IC RTC ELAPSED CNT I2C 8SOIC Analog Devices Inc./Maxim Integrated	2,765	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	Obsolete	Not Verified	Elapsed Time Counter	Alarm, EEPROM	10B	Binary	Binary	I2C, 2-Wire Serial	2.5V ~ 5.5V	-	4µA ~ 15µA @ 3V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	8-SOIC
RX-8035SAAA0 PURE SN IC RTC TIME EVENT REC I2C 14SOP EPSON	3,680	-	RFQ	Datasheet	RX-8035SA	14-SOIC (0.197", 5.00mm Width)	Tape & Reel (TR)	Active	-	Clock/Calendar	Alarm	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C	2.4V ~ 5.5V	1V ~ 5.5V	2.5µA @ 3V	-40°C ~ 85°C	Surface Mount	-	-	14-SOP
AB0811-T3 IC RTC CLK/CALENDAR SPI 16QFN Abracon LLC	1,104	-	RFQ	Datasheet	-	16-VFQFN Exposed Pad	Tape & Reel (TR)	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, Trickle-Charger	-	HH:MM:SS:hh	YY-MM-DD-dd	SPI	1.7V ~ 3.6V	1.5V ~ 3.6V	0.17µA ~ 0.22µA @ 1.8V ~ 3V	-40°C ~ 85°C	Surface Mount	-	-	16-QFN (3x3)
AB0801-T3 IC RTC CLK/CALENDAR I2C 16QFN Abracon LLC	1,484	-	RFQ	Datasheet	-	16-VFQFN Exposed Pad	Tape & Reel (TR)	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, Trickle-Charger	-	HH:MM:SS:hh	YY-MM-DD-dd	I2C, 2-Wire Serial	1.7V ~ 3.6V	1.5V ~ 3.6V	0.17µA ~ 0.22µA @ 1.8V ~ 3V	-40°C ~ 85°C	Surface Mount	-	-	16-QFN (3x3)
RTC-4543SA:B3 ROHS IC RTC CLK/CALENDAR SER 14SOP EPSON	3,105	-	RFQ	Datasheet	RTC-4543SA	14-SOIC (0.197", 5.00mm Width)	Tape & Reel (TR)	Obsolete	Not Verified	Clock/Calendar	Leap Year	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	3-Wire Serial	2.5V ~ 5.5V	-	1µA ~ 3µA @ 2V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	14-SOP
RV-8523-C3-32.768KHZ-10PPM-TA-QC IC RTC CLK/CALENDAR I2C 10SON Micro Crystal AG	2,074	-	RFQ	Datasheet	C3	10-VCDFN	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Battery Switch, Leap Year, Programmable Clock Output, Timer, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.2V ~ 5.5V	-	0.18µA @ 3V	-40°C ~ 85°C (TA)	Surface Mount	-	-	10-SON (3.7x2.5)
RX-8025SA:AA0:ROHS IC RTC CLK/CALENDAR I2C 14SOP EPSON	4,054	-	RFQ	Datasheet	RX-8025SA	14-SOIC (0.197", 5.00mm Width)	Tape & Reel (TR)	Obsolete	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	-	-	14-SOP
M41T94MQ6E IC RTC CLK/CALENDAR SPI 16SO STMicroelectronics	1,051	-	RFQ	Datasheet	-	16-SOIC (0.154", 3.90mm Width)	Tube	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer	44B	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	SPI	2.7V ~ 5.5V	2.5V ~ 3.5V	1.4mA @ 2.7V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	16-SO
1337GDCGI IC RTC CLK/CALENDAR I2C 8SOIC Renesas Electronics Corporation	4,094	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tube	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.8V ~ 5.5V	-	0.6µA @ 1.3V ~ 1.8V	-40°C ~ 85°C	Surface Mount	-	-	8-SOIC
M41T64Q6F IC RTC CLK/CALENDAR I2C 16QFN STMicroelectronics	4,317	-	RFQ	Datasheet	Timekeeper®	16-VFQFN Exposed Pad	Tape & Reel (TR)	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Watchdog Timer	-	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.3V ~ 4.4V	-	0.7µA ~ 0.95µA @ 1.3V ~ 4.4V	-40°C ~ 85°C	Surface Mount	-	-	16-QFN (3x3)
M41T66Q6F IC RTC CLK/CALENDAR I2C 16QFN STMicroelectronics	4,303	-	RFQ	Datasheet	Timekeeper®	16-VFQFN Exposed Pad	Tape & Reel (TR)	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Watchdog Timer	-	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.5V ~ 4.4V	-	0.9µA ~ 1.1µA @ 1.5V ~ 4.4V	-40°C ~ 85°C	Surface Mount	-	-	16-QFN (3x3)
DS1306EN/T&R IC RTC CLK/CALENDAR SPI 20TSSOP Analog Devices Inc./Maxim Integrated	3,563	-	RFQ	Datasheet	-	20-TSSOP (0.173", 4.40mm Width)	Tape & Reel (TR)	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	2V ~ 5.5V	2V ~ 5.5V	25.3µA ~ 81µA @ 2V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	20-TSSOP
RV-3129-C3-32.768KHZ-OPTION-A-TA-QC-T3 TIMING REAL TIME CLOCK Micro Crystal AG	3,910	-	RFQ	Datasheet	C3	10-VCDFN	Bulk	Active	-	Clock/Calendar	Alarm, EEPROM, RAM, Trickle Charger	8B	HH:MM:SS	YY-MM-DD-dd	I2C, 2-Wire Serial	1.3V ~ 5.5V, 2.1V ~ 5.5V	-	1µA @ 3V	-40°C ~ 85°C (TA)	Surface Mount	-	-	10-SON (3.7x2.5)
PT7C4363BZEEX IC RTC CLK/CALENDAR I2C 8TDFN Diodes Incorporated	3,859	-	RFQ	Datasheet	-	8-WFDFN Exposed Pad	Tape & Reel (TR)	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.3V ~ 5.5V	-	0.85µA ~ 0.9µA @ 3V ~ 5V	-40°C ~ 85°C (TA)	Surface Mount	-	-	8-TDFN (2x3)
RX6110SA:BB PURE SN IC RTC CLK/CALENDAR I2C 14SOP EPSON	2,564	-	RFQ	Datasheet	RX6110SA	14-SOIC (0.197", 5.00mm Width)	Tube	Active	Not Verified	Clock/Calendar	Alarm, SRAM	16B	-	-	I2C, SPI	1.6V ~ 5.5V	-	0.25µA @ 3V	-40°C ~ 85°C	Surface Mount	-	-	14-SOP
RV-1805-C3-32.768KHZ-2PPM-TA-QC IC RTC CLK/CALENDAR I2C 10SON Micro Crystal AG	4,246	-	RFQ	Datasheet	-	10-VCDFN	Tape & Reel (TR)	Not For New Designs	Not Verified	Clock/Calendar	Alarm, Programmable Clock Output, RAM, Timer, Trickle Charger, Watchdog Timer	256B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.5V ~ 3.6V	-	0.08µA @ 3V	-40°C ~ 85°C (TA)	Surface Mount	-	-	10-SON (3.7x2.5)
RX8111CE BB IC RTC CLK/CALENDAR I2C 10SMD EPSON	4,538	-	RFQ	Datasheet	RX8111CE	10-SMD, No Lead	Bulk	Active	Not Verified	Clock/Calendar	Alarm, RAM	-	HH:MM:SS	YY-MM-DD	I2C	1.6V ~ 5.5V	-	3µA @ 3V	-40°C ~ 85°C (TA)	Surface Mount	-	-	10-SMD
RX-4045SA:AA0 IC RTC CLK/CALENDAR SPI 14SOP EPSON	4,952	-	RFQ	Datasheet	RX-4045SA	14-SOIC (0.197", 5.00mm Width)	Tape & Reel (TR)	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year	-	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
V3020XSO8B+ LINEAR IC EM Microelectronic	2,146	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	Last Time Buy	-	Clock/Calendar	Leap Year, RAM	1B	HH:MM:SS	YY-MM-DD-dd	3-Wire Serial	1.2V ~ 5.5V	-	0.49µA ~ 0.6µA @ 3V ~ 5V	-40°C ~ 125°C (TA)	Surface Mount	-	-	8-SOIC

Real Time Clocks FAQ

What Real Time Clocks components can I source from EGOO?

You can browse available Real Time Clocks product families, manufacturers and part numbers on this page, then review stock, datasheets and technical information for suitable options.

Can EGOO help with hard-to-source or obsolete Real Time Clocks parts?

Yes. EGOO provides sourcing support for shortage, obsolete and hard-to-find electronic components. Send us the target manufacturer part number and quantity for checking.

Does EGOO support BOM and small-batch sourcing?

Yes. We support BOM sourcing, prototype requirements and small-batch supply, together with stock, lead-time and quotation assistance.

How do I request pricing and availability?

Submit the manufacturer part number, required quantity and any package, date-code or delivery requirements through the RFQ form, and our team will review available sourcing options.