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
M41T11MH6F IC RTC CLK/CALENDAR I2C 28SOH STMicroelectronics	4,125	-	RFQ	Datasheet	-	28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Leap Year, NVSRAM	56B	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	-	-	28-SOH
RV-3149-C3-32.768KHZ-OPTION-A-TB-QA IC RTC CLK/CALENDAR SPI 10SON Micro Crystal AG	6,100	-	RFQ	Datasheet	C3	10-VCDFN	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, EEPROM, Leap Year, Programmable Clock Output, RAM, Temperature, Timer, Trickle Charger	2B, 8B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI, 4-Wire Serial	1.3V ~ 5.5V	-	1µA @ 3V	-40°C ~ 125°C (TA)	Surface Mount	Automotive	AEC-Q200	10-SON (3.7x2.5)
DS1308U-18+T IC RTC CLOCK/CALENDAR I2C 8UMAX Analog Devices Inc./Maxim Integrated	3,751	-	RFQ	Datasheet	-	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	Tape & Reel (TR)	Active	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	1.71V ~ 5.5V	1.3V ~ 5.5V	100µA @ 200µA @ 1.89V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	8-uMAX/uSOP
DS1307ZN+T&R IC RTC CLK/CALENDAR I2C 8SOIC Analog Devices Inc./Maxim Integrated	6,985	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	Active	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	4.5V ~ 5.5V	2V ~ 3.5V	200µA @ 5V	-40°C ~ 85°C	Surface Mount	-	-	8-SOIC
DS1302ZN+T&R IC RTC CLK/CALENDAR SER 8SOIC Analog Devices Inc./Maxim Integrated	6,285	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Leap Year, NVSRAM, Trickle-Charger	31B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	2V ~ 5.5V	2V ~ 5.5V	0.3µA ~ 1µA @ 2V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	8-SOIC
ISL12022IBZ IC RTC CLK/CALENDAR I2C 8SOIC Renesas Electronics Corporation	5,814	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tube	Active	Not Verified	Clock/Calendar	Alarm, Daylight Savings, Leap Year, SRAM	128B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7V ~ 5.5V	1.8V ~ 5.5V	14µA ~ 15µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	8-SOIC
DS1339AU+T IC RTC CLOCK/CALENDAR I2C 8UMAX Analog Devices Inc./Maxim Integrated	11,596	-	RFQ	Datasheet	-	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Trickle-Charger	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.71V ~ 5.5V	1.3V ~ 3.7V	200µA @ 1.71V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	8-uMAX/uSOP
DS1390U-33+T&R IC RTC CLK/CALENDAR SPI 10UMAX Analog Devices Inc./Maxim Integrated	10,917	-	RFQ	Datasheet	-	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Trickle-Charger	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	SPI	2.97V ~ 5.5V	1.3V ~ 5.5V	175µA @ 2.97V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	10-uMAX/uSOP
DS1338Z-33+T&R IC RTC CLK/CALENDAR I2C 8SOIC Analog Devices Inc./Maxim Integrated	26	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	Active	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	3V ~ 5.5V	1.3V ~ 3.7V	125µA ~ 200µA @ 3.63V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	8-SOIC
DS1302SN+T&R IC RTC CLK/CALENDAR SER 8SOIC Analog Devices Inc./Maxim Integrated	2,528	-	RFQ	Datasheet	-	8-SOIC (0.209", 5.30mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Leap Year, NVSRAM, Trickle-Charger	31B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	2V ~ 5.5V	2V ~ 5.5V	0.3µA ~ 1µA @ 2V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	8-SOIC
MAX31343EKA+T IC RTC CLK/CALENDAR I2C 8WLP Analog Devices Inc./Maxim Integrated	2,542	-	RFQ	Datasheet	-	8-VFBGA, WLBGA	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, RAM, Square Wave Output, SRAM, Trickle Charger	64B	HH:MM:SS (24 hr)	YY-MM-DD-dd	I2C	1.6V ~ 5.5V	1.6V ~ 5.5V	1.2µA ~ 2µA @ 1.6V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	8-WLP (2.07x2.27)
DS1340U-33+T&R IC RTC CLOCK/CALENDAR I2C 8UMAX Analog Devices Inc./Maxim Integrated	13,008	-	RFQ	Datasheet	-	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Leap Year, Trickle-Charger	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.97V ~ 5.5V	1.3V ~ 5.5V	150µA @ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	8-uMAX/uSOP
M41T94MH6F IC RTC CLK/CALENDAR SPI 28SOH STMicroelectronics	8,289	-	RFQ	Datasheet	-	28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets	Tape & Reel (TR)	Active	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	-	-	28-SOH
DS1307Z+ IC RTC CLK/CALENDAR I2C 8SOIC Analog Devices Inc./Maxim Integrated	3,101	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tube	Active	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	4.5V ~ 5.5V	2V ~ 3.5V	200µA @ 5V	0°C ~ 70°C	Surface Mount	-	-	8-SOIC
DS1391U-33+T&R IC RTC CLK/CALENDAR SPI 10UMAX Analog Devices Inc./Maxim Integrated	9,866	-	RFQ	Datasheet	-	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Trickle-Charger	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	SPI	2.97V ~ 5.5V	1.3V ~ 5.5V	175µA @ 2.97V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	10-uMAX/uSOP
DS1374U-33+T&R IC RTC BINARY COUNTER I2C 10UMAX Analog Devices Inc./Maxim Integrated	5,592	-	RFQ	Datasheet	-	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	Tape & Reel (TR)	Active	Not Verified	Binary Counter	Alarm, Square Wave Output, Trickle-Charger, Watchdog Timer	-	Binary	Binary	I2C, 2-Wire Serial	2.97V ~ 5.5V	1.3V ~ 5.5V	175µA @ 2.97V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	10-uMAX/uSOP
DS1390U-3+T&R IC RTC CLK/CALENDAR SPI 10UMAX Analog Devices Inc./Maxim Integrated	5,306	-	RFQ	Datasheet	-	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Trickle-Charger	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	SPI	2.7V ~ 3.3V	1.3V ~ 3.7V	125µA @ 2.7V ~ 3.3V	-40°C ~ 85°C	Surface Mount	-	-	10-uMAX/uSOP
DS1340Z-33+T&R IC RTC CLK/CALENDAR I2C 8SOIC Analog Devices Inc./Maxim Integrated	4,549	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Leap Year, Trickle-Charger	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.97V ~ 5.5V	1.3V ~ 5.5V	150µA @ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	8-SOIC
DS1338U-33+T&R IC RTC CLOCK/CALENDAR I2C 8UMAX Analog Devices Inc./Maxim Integrated	3,584	-	RFQ	Datasheet	-	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	Tape & Reel (TR)	Active	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	3V ~ 5.5V	1.3V ~ 3.7V	125µA ~ 200µA @ 3.63V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	8-uMAX/uSOP
AB-RTCMC-32.768KHZ-IBO5-S3-T IC RTC CLK/CALENDAR I2C MODULE Abracon LLC	11,442	-	RFQ	Datasheet	-	Module	Tape & Reel (TR)	Not For New Designs	Not Verified	Clock/Calendar	Alarm, Square Wave Output, SRAM, Trickle Charge, Watchdog Timer	512B	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.5V ~ 3.6V	1.4V ~ 3.6V	0.29µA ~ 0.33µA @ 1.8V ~ 3V	-40°C ~ 85°C	Surface Mount	-	-	Module

Real Time Clocks FAQ

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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.

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