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
PT7C433833UEX IC RTC CLK/CALENDAR I2C 8MSOP Diodes Incorporated	2,092	-	RFQ	Datasheet	-	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	Tape & Reel (TR)	Obsolete	Not Verified	Clock/Calendar	Leap Year, NVSRAM, Square Wave Output	56B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7V ~ 5.5V	1.5V ~ 3.7V	125µA @ 2.7V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	8-MSOP
M41T50Q6F IC RTC CLK/CALENDAR I2C 16QFN STMicroelectronics	3,167	-	RFQ	Datasheet	Timekeeper®	16-VFQFN 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	1.7V ~ 3.6V	-	0.7µA @ 1.7V ~ 3.6V	-40°C ~ 85°C	Surface Mount	-	-	16-QFN (3x3)
S-35190A-T8T1G IC RTC CLK/CALENDAR SER 8TSSOP ABLIC Inc.	4,561	-	RFQ	Datasheet	-	8-TSSOP (0.173", 4.40mm Width)	Tape & Reel (TR)	Not For New Designs	Not Verified	Clock/Calendar	Alarm, Leap Year	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	1.3V ~ 5.5V	-	0.93µA ~ 1.1µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	8-TSSOP
S-35190A-J8T1G IC RTC CLK/CALENDAR SER 8SOP ABLIC Inc.	4,306	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	Not For New Designs	Not Verified	Clock/Calendar	Alarm, Leap Year	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	1.3V ~ 5.5V	-	0.93µA ~ 1.1µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	8-SOP-J
EM3028V3TP14A LINEAR IC EM Microelectronic	2,846	-	RFQ	Datasheet	-	14-TSSOP (0.173", 4.40mm Width)	Tube	Active	-	Clock/Calendar	Alarm, EEPROM, Leap Year, Square Wave Output, Trickle-Charger	43B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.1V ~ 5.5V	1.1V ~ 5.5V	0.3µA ~ 0.4µA @ 1.1V ~ 5V	-40°C ~ 85°C (TA)	Surface Mount	-	-	14-TSSOP
R2023T-E2-F 2-WIRE SERIAL INTERFACE REAL TIM Nisshinbo Micro Devices Inc.	4,313	-	RFQ	Datasheet	*	-	Tape & Reel (TR)	Active	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-
R2033T-E2-F 3 WIRE INTERFACE REAL-TIME CLOCK Nisshinbo Micro Devices Inc.	4,027	-	RFQ	Datasheet	*	-	Tape & Reel (TR)	Active	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-
R2023L-E2 2-WIRE SERIAL INTERFACE REAL TIM Nisshinbo Micro Devices Inc.	2,199	-	RFQ	Datasheet	*	-	Tape & Reel (TR)	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-
R2043L-E2 4-WIRE SERIAL INTERFACE REAL TIM Nisshinbo Micro Devices Inc.	1,911	-	RFQ	Datasheet	*	-	Tape & Reel (TR)	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-
R2033L-E2 3 WIRE INTERFACE REAL-TIME CLOCK Nisshinbo Micro Devices Inc.	1,959	-	RFQ	Datasheet	*	-	Tape & Reel (TR)	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RX8010SJ B0 PURE SN IC RTC CLOCK/CALENDAR I2C 8SOP EPSON	3,063	-	RFQ	Datasheet	RX8010SJ	8-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, RAM	16B	HH:MM:SS	YY-MM-DD	I2C	1.6V ~ 5.5V	1.1V ~ 5.5V	0.32µA ~ 0.35µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	8-SOP
R2061L03-E2 IC RTC 3-WIRE 16QFN Nisshinbo Micro Devices Inc.	4,440	-	RFQ	Datasheet	*	16-XFQFN Exposed Pad	Tape & Reel (TR)	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	-	Surface Mount	-	-	QFN023023-16
R2062L02-E2 3 WIRE INTERFACE REAL-TIME CLOCK Nisshinbo Micro Devices Inc.	4,010	-	RFQ	Datasheet	*	-	Tape & Reel (TR)	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-
R2051L01-E2 IC RTC 2-WIRE 16QFN Nisshinbo Micro Devices Inc.	1,732	-	RFQ	Datasheet	*	16-XFQFN Exposed Pad	Tape & Reel (TR)	Active	Not Verified	-	-	-	-	-	-	-	-	-	-	Surface Mount	-	-	QFN023023-16
R2051T01-E2-F 2 WIRE INTERFACE REAL-TIME CLOCK Nisshinbo Micro Devices Inc.	3,631	-	RFQ	Datasheet	*	-	Tape & Reel (TR)	Active	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-
R2221L-E2 2-WIRE SERIAL INTERFACE REAL TIM Nisshinbo Micro Devices Inc.	3,959	-	RFQ	Datasheet	*	-	Tape & Reel (TR)	Active	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RS5C338A-E2-F 3-WIRE SERIAL INTERFACE REAL-TIM Nisshinbo Micro Devices Inc.	3,902	-	RFQ	Datasheet	*	-	Tape & Reel (TR)	Active	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RV5C338A-E2-F 3-WIRE SERIAL INTERFACE REAL-TIM Nisshinbo Micro Devices Inc.	2,636	-	RFQ	Datasheet	*	-	Tape & Reel (TR)	Active	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RV5C386A-E2-F I2C BUS SERIAL INTERFACE REAL-TI Nisshinbo Micro Devices Inc.	4,471	-	RFQ	Datasheet	*	-	Tape & Reel (TR)	Active	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RX8111CE B6 IC RTC CLK/CALENDAR I2C 10SMD EPSON	1,448	-	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	1.1V ~ 5.5V	3µA @ 3V	-40°C ~ 85°C (TA)	Surface Mount	-	-	10-SMD

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.