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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 (CRC) 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: ₡17 706,23 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	₡17 706,23 ₡14 068,18 ₡13 303,10 ₡12 366,26 View ₡11 934,27 ₡11 788,54 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: ₡32 508,27 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	₡32 508,27 ₡26 850,81 ₡25 429,94 ₡25 112,46 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: ₡34 158,14 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	₡34 158,14 ₡28 214,43 ₡26 720,69 ₡26 387,60 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: ₡7 432,25 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	₡7 432,25 ₡7 270,90 ₡7 114,76 ₡6 969,03 View ₡6 864,94 ₡6 760,85 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: ₡21 750,25 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	₡21 750,25 ₡21 271,42 ₡20 808,21 ₡20 391,83 View ₡20 079,56 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: ₡2 560,69 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	₡2 560,69 ₡1 951,75 ₡1 800,81 ₡1 629,06 View ₡1 545,78 ₡1 498,94 ₡1 478,12 ₡1 462,51 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: ₡8 686,57 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 ₡8 686,57 ₡6 880,55 ₡6 427,75 ₡5 917,69 View ₡5 844,83 ₡5 657,46 ₡5 402,43 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: ₡7 895,46 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 ₡7 895,46 ₡6 183,13 ₡5 756,35 ₡5 282,72 View ₡5 235,88 ₡5 225,47 ₡4 439,57 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: ₡900,41 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 ₡900,41 ₡660,99 ₡598,54 ₡536,08 ₡452,80 View ₡504,33 ₡485,07 ₡482,47 ₡442,92 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: ₡13 063,68 56In Stock	Mfr. Part # M48T37V-10MH1F Mouser Part # 511-M48T37V-10MH1F	STMicroelectronics	Real Time Clock 256K (32Kx8) 100ns	Datasheet	56In Stock	Cut Tape ₡13 063,68 ₡10 440,54 ₡9 789,95 ₡9 071,71 View Reel ₡8 520,02 ₡8 728,20 ₡8 520,02 ₡8 520,02 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: ₡2 763,67 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 ₡2 763,67 ₡2 107,88 ₡1 941,34 ₡1 759,17 View Reel ₡1 561,40 ₡1 675,90 ₡1 644,67 ₡1 639,47 ₡1 561,40 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: ₡2 977,06 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 ₡2 977,06 ₡2 279,64 ₡2 102,68 ₡1 904,90 Reel ₡1 712,33 View ₡1 816,42 ₡1 785,20 ₡1 696,72 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: ₡926,43 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 ₡926,43 ₡681,81 ₡619,35 ₡551,69 View Reel ₡462,17 ₡515,26 ₡495,48 ₡492,88 ₡462,17 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: ₡2 446,19 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 ₡2 446,19 ₡1 852,86 ₡1 701,92 ₡1 540,58 Reel ₡1 415,67 View ₡1 504,15 ₡1 472,92 ₡1 280,34	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: ₡4 980,85 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 ₡4 980,85 ₡3 877,47 ₡3 299,75 ₡3 075,95 Reel ₡2 935,42 View ₡2 914,61 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: ₡2 133,91 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 ₡2 133,91 ₡1 608,24 ₡1 478,12 ₡1 332,39 Reel ₡1 181,46 View ₡1 264,73 ₡1 254,32 ₡1 155,43 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: ₡4 554,07 453In Stock 500Expected 5/17/2027	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 5/17/2027	Cut Tape ₡4 554,07 ₡3 528,76 ₡2 956,24 ₡2 794,90 Reel ₡2 789,69 View ₡2 753,26 ₡2 680,40 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: ₡2 451,39 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 ₡2 451,39 ₡1 852,86 ₡1 701,92 ₡1 540,58 Reel ₡1 462,51 View ₡1 400,05 ₡1 311,57	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: ₡2 467,01 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 ₡2 467,01 ₡1 858,06 ₡1 707,13 ₡1 504,15 Reel ₡1 488,53 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: ₡3 044,72 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 ₡3 044,72 ₡2 321,28 ₡2 139,11 ₡1 941,34 View Reel ₡1 717,54 ₡1 811,22 ₡1 727,95 ₡1 722,74 ₡1 717,54 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: ₡848,36 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 ₡848,36 ₡692,22 ₡655,79 ₡619,35 Reel ₡608,94 View ₡614,15 ₡603,74 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: ₡739,06 16 409In Stock	Mfr. Part # RX8130CE B0 Mouser Part # 732-RX8130CEB0	Epson Timing	Real Time Clock 32.768kHz 5ppm I2C-Bus	Datasheet	16 409In Stock	Cut Tape ₡739,06 ₡536,08 ₡484,55 ₡429,38 Reel ₡374,21 View ₡402,84 ₡387,23 ₡357,56 ₡351,83 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: ₡1 467,71 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 ₡1 467,71 ₡1 092,98 ₡1 004,50 ₡900,41 Reel ₡858,77 View ₡817,13 ₡785,90 ₡759,88 ₡754,67 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: ₡1 509,35 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 ₡1 509,35 ₡1 124,21 ₡1 030,52 ₡926,43 Reel ₡817,13 View ₡874,38 ₡843,15 ₡744,27 ₡733,86 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: ₡2 347,30 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 ₡2 347,30 ₡1 774,79 ₡1 629,06 ₡1 472,92 Reel ₡1 321,98 View ₡1 436,48 ₡1 405,26 ₡1 233,50 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