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
MCP79512-I/MS IC RTC CLK/CALENDAR SPI 10MSOP Microchip Technology	252	-	RFQ	Datasheet	-	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	Tube	Active	Not Verified	Clock/Calendar	Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID	64B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	SPI	1.8V ~ 3.6V	1.3V ~ 3.6V	1µA @ 1.8V ~ 3.6V	-40°C ~ 85°C	Surface Mount	-	-	10-MSOP
PCF85053ATKJ IC CPU RTC I2C SOT2413-1 NXP USA Inc.	10,169	-	RFQ	Datasheet	-	12-VFDFN Exposed Pad	Tape & Reel (TR)	Active	-	Clock/Calendar	Alarm, Daylight Savings, Leap Year, SRAM	128B	HH:MM:SS (12/24 hr)	YY-MM-DD	I2C	1.7V ~ 3.6V	1.55V ~ 3.6V	1mA @ 3.3V	-40°C ~ 85°C (TA)	Surface Mount	-	-	12-HVSON (3x3)
R2043T-E2-F IC RTC CLK/CALENDAR SER 10TSSOP Nisshinbo Micro Devices Inc.	7,039	-	RFQ	Datasheet	-	10-VFSOP, 10-MSOP (0.110", 2.80mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Leap Year	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	4-Wire Serial	1.7V ~ 5.5V	-	1µA @ 3V	-40°C ~ 85°C	Surface Mount	-	-	10-TSSOPG
MCP79522-I/MS IC RTC CLK/CALENDAR SPI 10MSOP Microchip Technology	1,438	-	RFQ	Datasheet	-	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	Tube	Active	Not Verified	Clock/Calendar	Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID	64B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	SPI	1.8V ~ 3.6V	1.3V ~ 3.6V	1µA @ 1.8V ~ 3.6V	-40°C ~ 85°C	Surface Mount	-	-	10-MSOP
PCA85063ATT/AJ IC RTC CLK/CALENDAR I2C 8TSSOP NXP USA Inc.	11,454	-	RFQ	Datasheet	-	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	Tape & Reel (TR)	Not For New Designs	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	0.9V ~ 5.5V	-	1.8µA @ 5V	-40°C ~ 105°C	Surface Mount	Automotive	AEC-Q100	8-TSSOP
S-35392A-I8T1U IC RTC CLK/CALENDAR I2C SNT8A ABLIC Inc.	18,774	-	RFQ	Datasheet	-	8-SMD, Flat Leads	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Leap Year	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.3V ~ 5.5V	-	14µA ~ 30µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	SNT-8A
ECS-RTC-SOP8-5101A-TR IC RTC CLOCK/CALENDAR I2C 8SOP ECS Inc.	5,028	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Leap Year	-	HH:MM:SS	YY-MM-DD-dd	I2C, Serial	1.6V ~ 5.5V	-	0.5µA ~ 0.52µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	8-SOP
MCP795W10-I/SL IC RTC CLK/CALENDAR SPI 14SOIC Microchip Technology	434	-	RFQ	Datasheet	-	14-SOIC (0.154", 3.90mm Width)	Tube	Active	Not Verified	Clock/Calendar	Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Watchdog Timer	64B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	SPI	1.8V ~ 3.6V	1.3V ~ 3.6V	1µA @ 1.8V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	14-SOIC
MCP795W10-I/ST IC RTC CLK/CALENDAR SPI 14TSSOP Microchip Technology	497	-	RFQ	Datasheet	-	14-TSSOP (0.173", 4.40mm Width)	Tube	Active	Not Verified	Clock/Calendar	Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Watchdog Timer	64B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	SPI	1.8V ~ 3.6V	1.3V ~ 3.6V	1µA @ 1.8V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	14-TSSOP
MCP795W21-I/SL IC RTC CLK/CALENDAR SPI 14SOIC Microchip Technology	258	-	RFQ	Datasheet	-	14-SOIC (0.154", 3.90mm Width)	Tube	Active	Not Verified	Clock/Calendar	Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer	64B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	SPI	1.8V ~ 3.6V	1.3V ~ 3.6V	1µA @ 1.8V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	14-SOIC
RX8130CE:B3 IC RTC EVENT REC I2C MODULE EPSON	24,083	-	RFQ	Datasheet	RX8130CE	10-SMD Module	Tape & Reel (TR)	Active	Not Verified	Time Event Recorder	Alarm, Leap Year	-	HH:MM:SS (24 hr)	YY-MM-DD	I2C, 2-Wire Serial	1.6V ~ 5.5V	1.1V ~ 5.5V	-	-40°C ~ 85°C	Surface Mount	-	-	Module
PCA21125T/Q900/1,1 IC RTC CLK/CALENDAR SPI 14TSSOP NXP USA Inc.	297	-	RFQ	Datasheet	-	14-TSSOP (0.173", 4.40mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	1.6V ~ 5.5V	-	30.3µA @ 2V ~ 5V	-40°C ~ 125°C	Surface Mount	-	-	14-TSSOP
RV-8263-C8-32.768KHZ-20PPM-TA-QA IC RTC CLK/CALENDAR I2C 8-SMT Micro Crystal AG	624	-	RFQ	Datasheet	C8	8-WCDFN	Tape & Reel (TR)	Active	-	Clock/Calendar	Alarm, Leap Year, Offset Compensation, Programmable Clock Output, RAM, Timer	1B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	0.9V ~ 5.5V	-	0.24µA @ 3V	-40°C ~ 85°C (TA)	Surface Mount	Automotive	AEC-Q200	8-SON (2x1.2)
RV-8263-C7-32.768KHZ-20PPM-TA-QA IC RTC CLK/CALENDAR I2C 8SON Micro Crystal AG	2,332	-	RFQ	Datasheet	C7	8-WCDFN	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, Programmable Clock Output, RAM, Timer	1B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	0.9V ~ 5.5V	-	0.24µA @ 3V	-40°C ~ 85°C (TA)	Surface Mount	Automotive	AEC-Q200	8-SON (3.2x1.5)
ISL1208IB8Z IC RTC CLK/CALENDAR I2C 8SOIC Renesas Electronics Corporation	2,294	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tube	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, SRAM	2B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7V ~ 5.5V	1.8V ~ 5.5V	4µA ~ 6µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	8-SOIC
RX4111CE B6 IC RTC CLK/CALENDAR SPI 10SMD EPSON	341	-	RFQ	Datasheet	RX4111CE	10-SMD, No Lead	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm	-	HH:MM:SS	YY-MM-DD	SPI, 4-Wire Serial	1.6V ~ 5.5V	-	3µA @ 3V	-40°C ~ 85°C (TA)	Surface Mount	-	-	10-SMD
AB1815-T3 IC RTC CLK/CALENDAR SPI 16QFN Abracon LLC	21,719	-	RFQ	Datasheet	-	16-VFQFN Exposed Pad	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, SRAM, Trickle-Charger, Watchdog Timer	256B	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)
RX8111CE A0 IC RTC CLK/CALENDAR I2C 10SMD EPSON	1,592	-	RFQ	Datasheet	RX8111CE	10-SMD, No Lead	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm	-	HH:MM:SS	YY-MM-DD	I2C	1.6V ~ 5.5V	-	3µA @ 3V	-40°C ~ 85°C (TA)	Surface Mount	-	-	10-SMD
M41T01M6F IC RTC CLK/CALENDAR I2C 8SOIC STMicroelectronics	1,986	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Leap Year	-	HH:MM:SS	YY-MM-DD-dd	I2C, 2-Wire Serial	2V ~ 5.5V	2.5V ~ 3.5V	70µA @ 2V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	8-SOIC
PCF2131TFY IC RTC CLK/CALENDAR I2C 16HLSON NXP USA Inc.	2,811	-	RFQ	Datasheet	-	16-LFDFN Exposed Pad	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	I2C, SPI	1.2V ~ 5.5V	1.2V ~ 5.5V	770nA ~ 2.135µA @ 1.2V ~ 5.5V	-40°C ~ 85°C (TA)	Surface Mount, Wettable Flank	-	-	16-HLSON (4.5x3.5)

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.

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

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