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
BQ4802LYPWR IC RTC CLK/CALENDAR PAR 28TSSOP Texas Instruments	293	-	RFQ	Datasheet	-	28-TSSOP (0.173", 4.40mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7V ~ 3.6V	2.4V ~ 4V	1.5mA (Typ) @ 2.7 V ~ 3.6 V	0°C ~ 70°C	Surface Mount	-	-	28-TSSOP
DS1672U-33+T&R IC RTC BINARY COUNTER I2C 8UMAX Analog Devices Inc./Maxim Integrated	1,715	-	RFQ	Datasheet	-	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	Tape & Reel (TR)	Active	Not Verified	Binary Counter	Trickle-Charger	-	Binary	Binary	I2C, 2-Wire Serial	2.97V ~ 3.63V	1.3V ~ 3.63V	500µA @ 3.63V	-40°C ~ 85°C	Surface Mount	-	-	8-uMAX/uSOP
RX4901CE XS B06 IC RTC CLK/CALENDAR SPI 10SMD EPSON	2,000	-	RFQ	Datasheet	RX4901CE	10-SMD, No Lead	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm	-	HH:MM:SS	YY-MM-DD	SPI, 3-Wire Serial	1.6V ~ 5.5V	-	1.5µA @ 3V	-40°C ~ 105°C (TA)	Surface Mount	-	-	10-SMD
RX4901CE XS A06 IC RTC CLK/CALENDAR SPI 10SMD EPSON	1,943	-	RFQ	Datasheet	RX4901CE	10-SMD, No Lead	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm	-	HH:MM:SS	YY-MM-DD	SPI, 3-Wire Serial	1.6V ~ 5.5V	-	1.5µA @ 3V	-40°C ~ 105°C (TA)	Surface Mount	-	-	10-SMD
RX4901CE XS D06 IC RTC CLK/CALENDAR SPI 10SMD EPSON	1,941	-	RFQ	Datasheet	RX4901CE	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	-	1.5µA @ 3V	-40°C ~ 105°C (TA)	Surface Mount	-	-	10-SMD
BQ4802LYDWR IC RTC CLK/CALENDAR PAR 28SOIC Texas Instruments	781	-	RFQ	Datasheet	-	28-SOIC (0.295", 7.50mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7V ~ 3.6V	2.4V ~ 4V	1.5mA (Typ) @ 2.7 V ~ 3.6 V	0°C ~ 70°C	Surface Mount	-	-	28-SOIC
RX-8803LC:UB0 PURE SN IC RTC CLK/CALENDAR I2C 12VSOJ EPSON	1,000	-	RFQ	Datasheet	RX-8803LC	12-TFSOJ (0.094", 2.40mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm	-	HH:MM:SS	YY-MM-DD	I2C	1.6V ~ 5.5V	-	2.1µA ~ 3.4µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	12-VSOJ
DS1392U-33+ IC RTC CLK/CALENDAR SER 10UMAX Analog Devices Inc./Maxim Integrated	389	-	RFQ	Datasheet	-	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	Tube	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Trickle-Charger	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	2.97V ~ 5.5V	1.3V ~ 5.5V	175µA @ 2.97V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	10-uMAX/uSOP
RX8900SA:UB3 PURE SN IC RTC CLK/CALENDAR I2C 14SOP EPSON	495	-	RFQ	Datasheet	RX8900SA	14-SOIC (0.197", 5.00mm Width)	Tape & Reel (TR)	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
DS1343E-3+T&R IC RTC CLK/CALENDAR SPI 20TSSOP Analog Devices Inc./Maxim Integrated	1,506	-	RFQ	Datasheet	-	20-TSSOP (0.173", 4.40mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	2.7V ~ 5.5V	1.3V ~ 5.5V	-	-40°C ~ 85°C	Surface Mount	-	-	20-TSSOP
DS1344D-3+T&R IC RTC CLK/CALENDAR SPI 14TDFN Analog Devices Inc./Maxim Integrated	3,895	-	RFQ	Datasheet	-	14-WFDFN Exposed Pad	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	2.7V ~ 5.5V	1.3V ~ 5.5V	-	-40°C ~ 85°C	Surface Mount	-	-	14-TDFN (3x3)
DS1343E-3+ IC RTC CLK/CALENDAR SPI 20TSSOP Analog Devices Inc./Maxim Integrated	146	-	RFQ	Datasheet	-	20-TSSOP (0.173", 4.40mm Width)	Tube	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	2.7V ~ 5.5V	1.3V ~ 5.5V	-	-40°C ~ 85°C	Surface Mount	-	-	20-TSSOP
DS1685E-5+ IC RTC CLK/CALENDAR PAR 24TSSOP Analog Devices Inc./Maxim Integrated	1,243	-	RFQ	Datasheet	-	24-TSSOP (0.173", 4.40mm Width)	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	0°C ~ 70°C	Surface Mount	-	-	24-TSSOP
DS1685E-3+ IC RTC CLK/CALENDAR PAR 24TSSOP Analog Devices Inc./Maxim Integrated	133	-	RFQ	Datasheet	-	24-TSSOP (0.173", 4.40mm Width)	Tube	Active	Not Verified	Clock/Calendar	Alarm, NVSRAM, Square Wave Output, Y2K	242B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7V ~ 3.7V	2.5V ~ 3.7V	2mA @ 3V	0°C ~ 70°C	Surface Mount	-	-	24-TSSOP
DS1558Y+ IC RTC CLK/CALENDAR PAR 48LQFP Analog Devices Inc./Maxim Integrated	245	-	RFQ	Datasheet	-	48-LQFP	Tray	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, Watchdog Timer, Y2K	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	2.5V ~ 3.7V	6mA @ 5V	-40°C ~ 85°C	Surface Mount	-	-	48-LQFP (7x7)
DS1685-5+ IC RTC CLK/CALENDAR PAR 24DIP Analog Devices Inc./Maxim Integrated	2,860	-	RFQ	Datasheet	-	24-DIP (0.600", 15.24mm)	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	0°C ~ 70°C	Through Hole	-	-	24-PDIP
DS12885Q+ IC RTC CLK/CALENDAR PAR 28PLCC Analog Devices Inc./Maxim Integrated	1,235	-	RFQ	Datasheet	-	28-LCC (J-Lead)	Tube	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	0°C ~ 70°C	Surface Mount	-	-	28-PLCC (11.51x11.51)
DS17285SN-3+ IC RTC CLK/CALENDAR PAR 24SOIC Analog Devices Inc./Maxim Integrated	166	-	RFQ	Datasheet	-	24-SOIC (0.295", 7.50mm Width)	Tube	Active	Not Verified	Clock/Calendar	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	2KB	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7V ~ 3.7V	2.5V ~ 3.7V	2mA @ 2.7V ~ 3.7V	-40°C ~ 85°C	Surface Mount	-	-	24-SOIC
DS1315S-33+ IC RTC PHANTOM CHIP PAR 16SOIC Analog Devices Inc./Maxim Integrated	3,855	-	RFQ	Datasheet	-	16-SOIC (0.295", 7.50mm Width)	Tube	Active	Not Verified	Phantom Time Chip	Leap Year	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	3V ~ 3.6V	2.5V ~ 3.7V	1.1mA @ 3.3V	0°C ~ 70°C	Surface Mount	-	-	16-SOIC
M48T37Y-70MH1F IC RTC CLK/CALENDAR PAR 44SOH STMicroelectronics	269	-	RFQ	Datasheet	Timekeeper®	44-BSOP (0.337", 8.56mm Width) requires SNAPHAT	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	-	3mA @ 4.5V ~ 5.5V	0°C ~ 70°C	Surface Mount	-	-	44-SOH

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?

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