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Real Time Clock

Real Time Clocks are in stock with same-day shipping at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many real time clock manufacturers including Analog Devices, Epson, Microchip, Micro Crystal, NXP, Renesas Electronics, STMicroelectronics & more.
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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PHP) Filter the results in the table by unit price based on your quantity.	Qty.	Interface Type	Date Format	Time Format	Package / Case	Battery Backup Switching	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Series	Mounting Style	Packaging
Real Time Clock 3V/5V Real-Time Clocks DS17287-5+ Analog Devices / Maxim Integrated 1: ₱2,087.13 1In Stock	Mfr. Part # DS17287-5+ Mouser Part # 700-DS17287-5	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clocks	Datasheet	1In Stock	₱2,087.13 ₱1,658.29 ₱1,568.11 ₱1,457.68 View ₱1,406.76 ₱1,389.58 Quote	Min.: 1 Mult.: 1	Multiplexed	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	EDIP-24	Integrated Battery	4.5 V	5.5 V	0 C	+ 70 C	DS17287	Through Hole	Tube
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1744W-120+ Analog Devices / Maxim Integrated 1: ₱3,831.92 15In Stock	Mfr. Part # DS1744W-120+ Mouser Part # 700-DS1744W-120	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	15In Stock	₱3,831.92 ₱3,165.05 ₱2,997.56 ₱2,960.14 View Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	EDIP-28	Integrated Battery	2.97 V	3.63 V	0 C	+ 70 C	DS1744W	Through Hole	Tube
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1744W-120IND+ Analog Devices / Maxim Integrated 1: ₱4,026.40 15In Stock	Mfr. Part # DS1744W-120IND+ Mouser Part # 700-DS1744W-120IND	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	15In Stock	₱4,026.40 ₱3,325.78 ₱3,149.71 ₱3,110.45 View Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	EDIP-28	Integrated Battery	2.97 V	3.63 V	- 40 C	+ 85 C	DS1744W	Through Hole	Tube
Real Time Clock 3V/5V Real-Time Clocks DS17485S-5+ Analog Devices / Maxim Integrated 1: ₱876.08 5In Stock	Mfr. Part # DS17485S-5+ Mouser Part # 700-DS17485S-5	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clocks	Datasheet	5In Stock	₱876.08 ₱857.06 ₱838.65 ₱821.48 View ₱809.21 ₱796.94 Quote	Min.: 1 Mult.: 1	Multiplexed	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SO-24	Backup Switching	4.5 V	5.5 V	0 C	+ 70 C	DS17485S	SMD/SMT	Tube
Real Time Clock 3V/5V Real-Time Clocks DS17887-3IND+ Analog Devices / Maxim Integrated 1: ₱2,563.82 1In Stock	Mfr. Part # DS17887-3IND+ Mouser Part # 700-DS17887-3IND+	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clocks	Datasheet	1In Stock	₱2,563.82 ₱2,507.37 ₱2,452.77 ₱2,403.69 View ₱2,366.88 Quote	Min.: 1 Mult.: 1	Multiplexed	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	EDIP-24	Integrated Battery	2.7 V	3.7 V	- 40 C	+ 85 C	DS17887	Through Hole	Tube
Real Time Clock 1-Wire Time Chip With Interrupt DS2417P+ Analog Devices / Maxim Integrated 1: ₱301.84 185In Stock	Mfr. Part # DS2417P+ Mouser Part # 700-DS2417P	Analog Devices / Maxim Integrated	Real Time Clock 1-Wire Time Chip With Interrupt	Datasheet	185In Stock	₱301.84 ₱230.06 ₱212.27 ₱192.03 View ₱182.21 ₱176.69 ₱174.23 ₱172.39 Quote	Min.: 1 Mult.: 1	Serial 1-Wire	Binary	Binary	TSOC-6	Backup Switching	2.2 V	6 V	- 40 C	+ 85 C	DS2417P	SMD/SMT	Tube
Real Time Clock Extremely Accurate I C-Integrated RTC/TC DS3231SN#T&R Analog Devices / Maxim Integrated 1: ₱1,023.93 1In Stock	Mfr. Part # DS3231SN#T&R Mouser Part # 700-DS3231SN#T&R-	Analog Devices / Maxim Integrated	Real Time Clock Extremely Accurate I C-Integrated RTC/TC Learn More about Analog Devices / Maxim Integrated maximds3231m	Datasheet	1In Stock	Cut Tape ₱1,023.93 ₱811.05 ₱757.67 ₱697.55 View ₱688.96 ₱666.87 ₱636.81 Quote MouseReel Available	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SO-16	Backup Switching	2.3 V	5.5 V	- 40 C	+ 85 C	DS3231SN	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Extremely Accurate I C RTC with Integrat DS3232S#T&R Analog Devices / Maxim Integrated 1: ₱930.68 13In Stock	Mfr. Part # DS3232S#T&R Mouser Part # 700-DS3232S#T&R-	Analog Devices / Maxim Integrated	Real Time Clock Extremely Accurate I C RTC with Integrat	Datasheet	13In Stock	Cut Tape ₱930.68 ₱728.84 ₱678.53 ₱622.70 View ₱617.18 ₱615.95 ₱523.32 MouseReel Available	Min.: 1 Mult.: 1				SO-20				0 C	+ 70 C	DS3232S	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock ULTRA LO PWR CLK/CAL RTC IC PCF8563T/F4,118 NXP Semiconductors 1: ₱106.14 30In Stock	Mfr. Part # PCF8563T/F4,118 Mouser Part # 771-PCF8563TD-T	NXP Semiconductors	Real Time Clock ULTRA LO PWR CLK/CAL RTC IC	Datasheet	30In Stock	Cut Tape ₱106.14 ₱77.91 ₱70.55 ₱63.19 ₱53.37 View ₱59.45 ₱57.18 ₱56.87 ₱52.21 MouseReel Available	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-8	No Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C	PCF8563	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 256K (32Kx8) 100ns M48T37V-10MH1F STMicroelectronics 1: ₱1,539.89 56In Stock	Mfr. Part # M48T37V-10MH1F Mouser Part # 511-M48T37V-10MH1F	STMicroelectronics	Real Time Clock 256K (32Kx8) 100ns	Datasheet	56In Stock	Cut Tape ₱1,539.89 ₱1,230.68 ₱1,153.99 ₱1,069.33 View Reel ₱1,004.30 ₱1,028.84 ₱1,004.30 ₱1,004.30 MouseReel Available	Min.: 1 Mult.: 1 : 936	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-44	Backup Switching	3 V	3.6 V	0 C	+ 70 C	M48T37V	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Low Power High Stability +/-3 ppm -40 +85C I C Real Time Clock 3.2 x 2.5 mm ECS-RTC-3225-5699C3-TR ECS 1: ₱325.77 2,348In Stock	Mfr. Part # ECS-RTC-3225-5699C3-TR Mouser Part # 520-RTC-32255699C3TR	ECS	Real Time Clock Low Power High Stability +/-3 ppm -40 +85C I C Real Time Clock 3.2 x 2.5 mm Learn More about ECS rtc3225 rtcsop8 rtcs	Datasheet	2,348In Stock	Cut Tape ₱325.77 ₱248.47 ₱228.84 ₱207.36 View Reel ₱184.05 ₱197.55 ₱193.87 ₱193.25 ₱184.05 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	I2C	YY-MM-DD	HH:MM:SS (24 hr)		Backup Switching	2.5 V	5 V	- 40 C	+ 85 C		SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Low Power High Stability 5 ppm -40 +85 C I C Real Time Clock 3.2 x 2.5 mm ECS-RTC-3225-5699HS-TR ECS 1: ₱350.92 783In Stock	Mfr. Part # ECS-RTC-3225-5699HS-TR Mouser Part # 520-RTC-32255699HSTR	ECS	Real Time Clock Low Power High Stability 5 ppm -40 +85 C I C Real Time Clock 3.2 x 2.5 mm Learn More about ECS rtc 3225 5699hs rtc	Datasheet	783In Stock	Cut Tape ₱350.92 ₱268.71 ₱247.85 ₱224.54 Reel ₱201.84 View ₱214.11 ₱210.43 ₱200.00 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	I2C	YY-MM-DD	HH:MM:SS (24 hr)		Backup Switching	1.6 V	5 V	- 40 C	+ 85 C		SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 2-Wire Real-time Clock module PT7C43390LEX Diodes Incorporated 1: ₱109.20 324In Stock	Mfr. Part # PT7C43390LEX Mouser Part # 729-PT7C43390LEX	Diodes Incorporated	Real Time Clock 2-Wire Real-time Clock module Learn More about Diodes Incorporated diodes timing solutions	Datasheet	324In Stock	Cut Tape ₱109.20 ₱80.37 ₱73.01 ₱65.03 View Reel ₱54.48 ₱60.74 ₱58.41 ₱58.10 ₱54.48 MouseReel Available	Min.: 1 Mult.: 1 : 2,500												Reel, Cut Tape, MouseReel
Real Time Clock RX-4045SA:AA0 PURE SN 5+/-5PPM 1K T/R RX-4045SAAA0 PURE SN Epson Timing 1: ₱288.35 1,506In Stock	Mfr. Part # RX-4045SAAA0 PURE SN Mouser Part # 732-R4045SAAA0PURESN	Epson Timing	Real Time Clock RX-4045SA:AA0 PURE SN 5+/-5PPM 1K T/R Learn More about Epson Timing epson rx 4045sa realtime clock module	Datasheet	1,506In Stock	Cut Tape ₱288.35 ₱218.41 ₱200.61 ₱181.60 Reel ₱166.87 View ₱177.30 ₱173.62 ₱150.92	Min.: 1 Mult.: 1 : 1,000	Serial 4-Wire	YY-MM-DD-dd	HH:MM:SS (24 hr)		No Backup Switching	1.7 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel, Cut Tape
Real Time Clock RX-4045SA:AA3 PURE SN 5+/-5PPM 250 T/R RX-4045SAAA3 PURE SN Epson Timing 1: ₱587.12 703In Stock	Mfr. Part # RX-4045SAAA3 PURE SN Mouser Part # 732-RX-4045SA:AA3S	Epson Timing	Real Time Clock RX-4045SA:AA3 PURE SN 5+/-5PPM 250 T/R	Datasheet	703In Stock	Cut Tape ₱587.12 ₱457.06 ₱388.96 ₱362.58 Reel ₱346.01 View ₱343.56 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	Serial 4-Wire	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOP-14	No Backup Switching	1.7 V	5.5 V	- 40 C	+ 85 C	RX-4045SA	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I2C Bus 5 +/-23ppm RX-8025SA:AA0 Epson Timing 1: ₱251.54 1,052In Stock	Mfr. Part # RX-8025SA:AA0 Mouser Part # 732-RX-8025SA:AA0	Epson Timing	Real Time Clock I2C Bus 5 +/-23ppm Learn More about Epson Timing epson rx 8025sa rtc modules	Datasheet	1,052In Stock	Cut Tape ₱251.54 ₱189.57 ₱174.23 ₱157.06 Reel ₱139.26 View ₱149.08 ₱147.85 ₱136.20 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOP-14	No Backup Switching	1.7 V	5.5 V	- 40 C	+ 85 C	RX-8025SA	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768KHz 3.0Volts 5+/-5ppm -40C +85C RX-8025SA:AA3 Epson Timing 1: ₱536.81 453In Stock 500Expected 17/05/2027	Mfr. Part # RX-8025SA:AA3 Mouser Part # 732-RX-8025SA:AA3	Epson Timing	Real Time Clock 32.768KHz 3.0Volts 5+/-5ppm -40C +85C Learn More about Epson Timing epson rx 8025sa rtc modules	Datasheet	453In Stock 500Expected 17/05/2027	Cut Tape ₱536.81 ₱415.95 ₱348.47 ₱329.45 Reel ₱328.84 View ₱324.54 ₱315.95 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOP-14	No Backup Switching	1.7 V	5.5 V	- 40 C	+ 85 C	RX-8025SA	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I2C-BUS RTC +/-5.0PPM-30 70C SOP-14 PIN 250TR RX-8803SA:UB3 PURE SN Epson Timing 1: ₱288.96 976In Stock	Mfr. Part # RX-8803SA:UB3 PURE SN Mouser Part # 732-RX-8803SAUB3	Epson Timing	Real Time Clock I2C-BUS RTC +/-5.0PPM-30 70C SOP-14 PIN 250TR	Datasheet	976In Stock	Cut Tape ₱288.96 ₱218.41 ₱200.61 ₱181.60 Reel ₱172.39 View ₱165.03 ₱154.60	Min.: 1 Mult.: 1 : 250	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOP-14	No Backup Switching	1.6 V	5.5 V	- 40 C	+ 85 C	RX-8803SA	SMD/SMT	Reel, Cut Tape
Real Time Clock RX4111CE:A3 REAL TIME CLOCK SPI-BUS 3.0V 11.5PPM 250TR RX4111CE A3 Epson Timing 1: ₱290.80 3,235In Stock	Mfr. Part # RX4111CE A3 Mouser Part # 732-RX4111CEA3	Epson Timing	Real Time Clock RX4111CE:A3 REAL TIME CLOCK SPI-BUS 3.0V 11.5PPM 250TR Learn More about Epson Timing epson rx4111ce rx8111ce rtc modules	Datasheet	3,235In Stock	Cut Tape ₱290.80 ₱219.02 ₱201.23 ₱177.30 Reel ₱175.46 MouseReel Available	Min.: 1 Mult.: 1 : 250	Serial 4-Wire, SPI				Backup Switching	1.6 V	5.5 V	- 40 C	+ 85 C	RX4111CE	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock RX4901CE XS C0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-3ppm 2k TR RX4901CE XS C06 Epson Timing 1: ₱358.90 636In Stock	Mfr. Part # RX4901CE XS C06 Mouser Part # 732-RX4901CEXSC06	Epson Timing	Real Time Clock RX4901CE XS C0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-3ppm 2k TR Learn More about Epson Timing epson rx8901ce rx4901ce real time clock modules	Datasheet	636In Stock	Cut Tape ₱358.90 ₱273.62 ₱252.15 ₱228.84 View Reel ₱202.46 ₱213.50 ₱203.68 ₱203.07 ₱202.46 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,000	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.6 V	5.5 V	- 40 C	+ 105 C	RX4901CE	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock REAL TIME CLOCK 3.0V 5+/-23PPM 1K TR RX6110SA:B0 PURE SN Epson Timing 1: ₱100.00 1,346In Stock	Mfr. Part # RX6110SA:B0 PURE SN Mouser Part # 732-RX6110SAB0PURESN	Epson Timing	Real Time Clock REAL TIME CLOCK 3.0V 5+/-23PPM 1K TR	Datasheet	1,346In Stock	Cut Tape ₱100.00 ₱81.60 ₱77.30 ₱73.01 Reel ₱71.78 View ₱72.39 ₱71.17 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Serial, I2C, SPI	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.6 V	5.5 V	- 40 C	+ 85 C	RX6110SA	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz 5ppm I2C-Bus RX8130CE B0 Epson Timing 1: ₱87.12 19,896In Stock	Mfr. Part # RX8130CE B0 Mouser Part # 732-RX8130CEB0	Epson Timing	Real Time Clock 32.768kHz 5ppm I2C-Bus	Datasheet	19,896In Stock	Cut Tape ₱87.12 ₱63.19 ₱57.12 ₱50.61 Reel ₱44.11 View ₱47.48 ₱45.64 ₱42.15 ₱41.47 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.25 V	5.5 V	- 40 C	+ 85 C	RX8130CE	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz 5ppm I2C-Bus RX8130CE B3 Epson Timing 1: ₱173.01 1,634In Stock	Mfr. Part # RX8130CE B3 Mouser Part # 732-RX8130CEB3	Epson Timing	Real Time Clock 32.768kHz 5ppm I2C-Bus	Datasheet	1,634In Stock	Cut Tape ₱173.01 ₱128.84 ₱118.41 ₱106.14 Reel ₱101.23 View ₱96.32 ₱92.64 ₱89.57 ₱88.96 MouseReel Available	Min.: 1 Mult.: 1 : 250	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.25 V	5.5 V	- 40 C	+ 85 C	RX8130CE	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I2C-BUS RTC +/-5.0PPM-40 85C 10 PIN 1K T/R RX8900CE:UB0 Epson Timing 1: ₱177.92 1,256In Stock	Mfr. Part # RX8900CE:UB0 Mouser Part # 732-RX8900CE:UB0	Epson Timing	Real Time Clock I2C-BUS RTC +/-5.0PPM-40 85C 10 PIN 1K T/R Learn More about Epson Timing epson rx8900ce rtc modules	Datasheet	1,256In Stock	Cut Tape ₱177.92 ₱132.52 ₱121.47 ₱109.20 Reel ₱96.32 View ₱103.07 ₱99.39 ₱87.73 ₱86.50 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	2.5 V	5.5 V	- 40 C	+ 85 C	RX8900CE	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock RX8901CE:XB A0 REAL TIME CLOCK MODULE I2C-Bus 3.0V +/-5ppm 2k TR RX8901CE XB A06 Epson Timing 1: ₱276.69 3,163In Stock	Mfr. Part # RX8901CE XB A06 Mouser Part # 732-RX8901CEXBA06	Epson Timing	Real Time Clock RX8901CE:XB A0 REAL TIME CLOCK MODULE I2C-Bus 3.0V +/-5ppm 2k TR Learn More about Epson Timing epson rx8901ce rx4901ce real time clock modules	Datasheet	3,163In Stock	Cut Tape ₱276.69 ₱209.20 ₱192.03 ₱173.62 Reel ₱155.83 View ₱169.33 ₱165.65 ₱145.40 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.6 V	5.5 V	- 40 C	+ 105 C	RX8901CE	SMD/SMT	Reel, Cut Tape, MouseReel