.hide-partial { max-height: none; } .show-more { display: none; }

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.
More...

Please view our large selection of real time clocks below.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 794

Applied Filters:

Manufacturer

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

Qualification

Time Keeping Current

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (IDR) 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 64k NV SRAM with Phantom Clock DS1243Y-120+ Analog Devices / Maxim Integrated 1: Rp1.100.943,46 1.399In Stock	Mfr. Part No. DS1243Y-120+ Mouser Part No 700-DS1243Y-120	Analog Devices / Maxim Integrated	Real Time Clock 64k NV SRAM with Phantom Clock	Datasheet	1.399In Stock	Rp1.100.943,46 Rp899.871,30 Rp849.236,34 Rp825.753,46 View Rp767.596,64 Quote	Min.: 1 Mult.: 1 Max.: 1.119	Parallel	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	EDIP-28	Integrated Battery	4.5 V	5.5 V	0 C	+ 70 C	DS1243Y	Through Hole	Tube
Real Time Clock 4096k NV SRAM with Phantom Clock DS1251WP-120IND+ Analog Devices / Maxim Integrated 1: Rp1.722.505,94 320In Stock	Mfr. Part No. DS1251WP-120IND+ Mouser Part No 700-DS1251WP-120IND	Analog Devices / Maxim Integrated	Real Time Clock 4096k NV SRAM with Phantom Clock	Datasheet	320In Stock	Rp1.722.505,94 Rp1.434.473,74 Rp1.350.449,06 Rp1.275.413,92	Min.: 1 Mult.: 1 Max.: 256	Parallel	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	PowerCap Module-34		2.97 V	3.63 V	- 40 C	+ 85 C	DS1251WP	SMD/SMT	Tray
Real Time Clock 4096k NV SRAM with Phantom Clock DS1251Y-70+ Analog Devices / Maxim Integrated 1: Rp1.392.094,48 89In Stock	Mfr. Part No. DS1251Y-70+ Mouser Part No 700-DS1251Y-70	Analog Devices / Maxim Integrated	Real Time Clock 4096k NV SRAM with Phantom Clock	Datasheet	89In Stock	Rp1.392.094,48 Rp1.154.513,78 Rp1.085.165,90 Rp1.009.580,38	Min.: 1 Mult.: 1	Parallel, Phantom Clock	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	EDIP-32	Integrated Battery	4.5 V	5.5 V	0 C	+ 70 C	DS1251Y	Through Hole	Tube
Real Time Clock Real-Time Clocks DS12885S+T&R Analog Devices / Maxim Integrated 1: Rp157.592,14 484In Stock	Mfr. Part No. DS12885S+T&R Mouser Part No 700-DS12885ST&R	Analog Devices / Maxim Integrated	Real Time Clock Real-Time Clocks	Datasheet	484In Stock	Cut Tape Rp157.592,14 Rp154.106,40 Rp150.804,12 Rp147.685,30 Rp145.483,78 Rp145.483,78 MouseReel Available	Min.: 1 Mult.: 1 Max.: 387	Multiplexed	YY-MM-DD-dd	HH:MM:SS (24 hr)	SO-24		4.5 V	5.5 V	0 C	+ 70 C	DS12885S	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Trickle-Charge Timekeeping Chip DS1302S+ Analog Devices / Maxim Integrated 1: Rp110.259,46 439In Stock	Mfr. Part No. DS1302S+ Mouser Part No 700-DS1302S	Analog Devices / Maxim Integrated	Real Time Clock Trickle-Charge Timekeeping Chip Learn More about Analog Devices / Maxim Integrated maxim ds1302 timekeeping chip	Datasheet	439In Stock	Rp110.259,46 Rp84.575,06 Rp78.153,96 Rp70.999,02 Rp67.513,28	Min.: 1 Mult.: 1 Max.: 351	Serial 3-Wire	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-8	Backup Switching	2 V	5.5 V	- 40 C	+ 70 C	DS1302S	SMD/SMT	Tube
Real Time Clock Serial Alarm Real-Time Clock DS1305E+T&R Analog Devices / Maxim Integrated 1: Rp178.139,66 2.765In Stock	Mfr. Part No. DS1305E+T&R Mouser Part No 700-DS1305ET&R	Analog Devices / Maxim Integrated	Real Time Clock Serial Alarm Real-Time Clock	Datasheet	2.765In Stock	Cut Tape Rp178.139,66 Rp138.695,76 Rp128.788,92 Rp117.964,78 Rp113.378,28 Reel Rp113.378,28 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2.212 : 2.500	Serial 3-Wire, SPI	YY-MM-DD	HH:MM:SS (24 hr)	TSSOP-20	Backup Switching	2 V	5.5 V	0 C	+ 70 C	DS1305E	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial Alarm Real-Time Clock DS1306N+ Analog Devices / Maxim Integrated 1: Rp242.350,66 185In Stock	Mfr. Part No. DS1306N+ Mouser Part No 700-DS1306N	Analog Devices / Maxim Integrated	Real Time Clock Serial Alarm Real-Time Clock	Datasheet	185In Stock	Rp242.350,66 Rp189.697,64 Rp176.488,52 Rp161.995,18	Min.: 1 Mult.: 1 Max.: 148	Serial 3-Wire, SPI	YY-MM-DD	HH:MM:SS (24 hr)	DIP-16	Backup Switching	2 V	5.5 V	0 C	+ 70 C	DS1306N	Through Hole	Tube
Real Time Clock 64 x 8, Serial, I C Real-Time Clock DS1307N+ Analog Devices / Maxim Integrated 1: Rp143.282,26 364In Stock	Mfr. Part No. DS1307N+ Mouser Part No 700-DS1307N	Analog Devices / Maxim Integrated	Real Time Clock 64 x 8, Serial, I C Real-Time Clock Learn More about Analog Devices / Maxim Integrated maxim ds1307	Datasheet	364In Stock	Rp143.282,26 Rp110.626,38 Rp99.985,70 Rp93.381,14 Rp87.693,88	Min.: 1 Mult.: 1 Max.: 291	I2C	YY-MM-DD	HH:MM:SS:hh (12 hr, 24 hr)	PDIP-8	Backup Switching	4.5 V	5.5 V	- 40 C	+ 85 C	DS1307N	Through Hole	Tube
Real Time Clock 64 x 8, Serial, I C Real-Time Clock DS1307Z+T&R Analog Devices / Maxim Integrated 1: Rp107.324,10 10.524In Stock	Mfr. Part No. DS1307Z+T&R Mouser Part No 700-DS1307ZT&R	Analog Devices / Maxim Integrated	Real Time Clock 64 x 8, Serial, I C Real-Time Clock Learn More about Analog Devices / Maxim Integrated maxim ds1307	Datasheet	10.524In Stock	Cut Tape Rp107.324,10 Rp81.823,16 Rp75.402,06 Rp68.430,58 Rp67.146,36 Reel Rp56.872,60 MouseReel Available	Min.: 1 Mult.: 1 Max.: 8.419 : 2.500	I2C	YY-MM-DD	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-8	Backup Switching	4.5 V	5.5 V	0 C	+ 70 C	DS1307Z	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I C RTC with 56-Byte NV RAM DS1338C-33#T&R Analog Devices / Maxim Integrated 1: Rp211.712,84 1.410In Stock	Mfr. Part No. DS1338C-33#T&R Mouser Part No 700-DS1338C-33#T&R-	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with 56-Byte NV RAM	Datasheet	1.410In Stock	Cut Tape Rp211.712,84 Rp165.297,46 Rp153.739,48 Rp140.897,28 Rp138.879,22 Reel Rp117.781,32 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1.128 : 1.000	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SO-16	Backup Switching	3 V	5.5 V	- 40 C	+ 85 C	DS1338C	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Low-Current I C RTCs for High-ESR Crystals DS1342U+ Analog Devices / Maxim Integrated 1: Rp48.249,98 1.063In Stock	Mfr. Part No. DS1342U+ Mouser Part No 700-DS1342U	Analog Devices / Maxim Integrated	Real Time Clock Low-Current I C RTCs for High-ESR Crystals Learn More about Analog Devices / Maxim Integrated maxim ds134x	Datasheet	1.063In Stock	Rp48.249,98 Rp47.149,22 Rp46.231,92 Rp45.314,62 View Rp44.580,78 Rp43.846,94	Min.: 1 Mult.: 1 Max.: 850	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	uSOP-8	No Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C	DS1342U	SMD/SMT	Tube
Real Time Clock I C, 32-Bit Binary Counter Watchdog Clock DS1371U+ Analog Devices / Maxim Integrated 1: Rp87.877,34 2.294In Stock	Mfr. Part No. DS1371U+ Mouser Part No 700-DS1371U	Analog Devices / Maxim Integrated	Real Time Clock I C, 32-Bit Binary Counter Watchdog Clock	Datasheet	2.294In Stock	Rp87.877,34 Rp75.218,60 Rp63.844,08 Rp62.376,40 View Rp60.358,34 Rp59.624,50	Min.: 1 Mult.: 1 Max.: 1.835	I2C	Binary	Binary	uSOP-8	No Backup Switching	1.7 V	5.5 V	- 40 C	+ 85 C	DS1371U	SMD/SMT	Tube
Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output DS1374C-33# Analog Devices / Maxim Integrated 1: Rp241.433,36 685In Stock	Mfr. Part No. DS1374C-33# Mouser Part No 700-DS1374C-33#	Analog Devices / Maxim Integrated	Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output	Datasheet	685In Stock	Rp241.433,36 Rp188.963,80 Rp171.351,64 Rp161.261,34 View Rp156.307,92 Rp150.437,20	Min.: 1 Mult.: 1 Max.: 548	I2C	Binary	Binary	SO-16	Backup Switching	2.97 V	5.5 V	- 40 C	+ 85 C	DS1374C	SMD/SMT	Tube
Real Time Clock I C RTC/Supervisor with Trickle Charger DS1388Z-33+T&R Analog Devices / Maxim Integrated 1: Rp158.142,52 2.731In Stock	Mfr. Part No. DS1388Z-33+T&R Mouser Part No 700-DS1388Z-33T&R	Analog Devices / Maxim Integrated	Real Time Clock I C RTC/Supervisor with Trickle Charger	Datasheet	2.731In Stock	Cut Tape Rp158.142,52 Rp122.000,90 Rp113.011,36 Rp103.287,98 View Reel Rp95.215,74 Rp97.050,34 Rp96.866,88 Rp95.215,74 Rp95.215,74 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2.184 : 2.500	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-8	Backup Switching	2.97 V	3.63 V	- 40 C	+ 85 C	DS1388Z	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle DS1394U-33+T&R Analog Devices / Maxim Integrated 1: Rp118.882,08 3.917In Stock	Mfr. Part No. DS1394U-33+T&R Mouser Part No 700-DS1394U-33T&R	Analog Devices / Maxim Integrated	Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle	Datasheet	3.917In Stock	Cut Tape Rp118.882,08 Rp90.996,16 Rp84.208,14 Rp76.502,82 View Reel Rp67.880,20 Rp72.833,62 Rp71.549,40 Rp71.182,48 Rp67.880,20 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3.133 : 3.000	Serial 3-Wire, SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	uSOP-10	Backup Switching	2.97 V	5.5 V	- 40 C	+ 85 C	DS1394U	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I C 32-Bit Binary Counter RTC DS1672S-33+T&R Analog Devices / Maxim Integrated 1: Rp103.654,90 3.587In Stock	Mfr. Part No. DS1672S-33+T&R Mouser Part No 700-DS1672S-33T&R	Analog Devices / Maxim Integrated	Real Time Clock I C 32-Bit Binary Counter RTC	Datasheet	3.587In Stock	Cut Tape Rp103.654,90 Rp79.071,26 Rp72.833,62 Rp65.862,14 View Reel Rp61.459,10 Rp62.926,78 Rp61.459,10 Rp61.459,10 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2.869 : 2.500	Serial 2-Wire, I2C	Binary	Binary	SOIC-8	Backup Switching	2.97 V	3.63 V	- 40 C	+ 85 C	DS1672S	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Total-Elapsed-Time Recorder with Alarm DS1682S+T&R Analog Devices / Maxim Integrated 1: Rp173.553,16 10.037In Stock	Mfr. Part No. DS1682S+T&R Mouser Part No 700-DS1682ST&R	Analog Devices / Maxim Integrated	Real Time Clock Total-Elapsed-Time Recorder with Alarm	Datasheet	10.037In Stock	Cut Tape Rp173.553,16 Rp135.210,02 Rp125.303,18 Rp114.845,96 Rp111.910,60 Reel Rp98.334,56 MouseReel Available	Min.: 1 Mult.: 1 Max.: 8.220 : 2.500	Serial 2-Wire	Binary	Binary	SOIC-8	No Backup Switching	2.5 V	5.5 V	- 40 C	+ 85 C	DS1682	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock TOTAL-ELAPSED-TIME RECORDER WITH AL T&R DS1683S+T&R Analog Devices / Maxim Integrated 1: Rp146.217,62 5.079In Stock	Mfr. Part No. DS1683S+T&R Mouser Part No 700-DS1683S+T&R	Analog Devices / Maxim Integrated	Real Time Clock TOTAL-ELAPSED-TIME RECORDER WITH AL T&R	Datasheet	5.079In Stock	Cut Tape Rp146.217,62 Rp112.827,90 Rp104.388,74 Rp95.215,74 Rp91.179,62 Reel Rp78.337,42 MouseReel Available	Min.: 1 Mult.: 1 Max.: 4.678 : 2.500	Serial 2-Wire, I2C	Binary	Binary	SO-8	No Backup Switching	2.5 V	5.5 V	- 40 C	+ 85 C	DS1683	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1746W-120+ Analog Devices / Maxim Integrated 1: Rp1.267.525,14 110In Stock	Mfr. Part No. DS1746W-120+ Mouser Part No 700-DS1746W-120	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	110In Stock	Rp1.267.525,14 Rp1.047.006,22 Rp991.601,30	Min.: 1 Mult.: 1 Max.: 88	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	EDIP-32	Integrated Battery	2.97 V	3.63 V	0 C	+ 70 C	DS1746W	Through Hole	Tube
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1747-70+ Analog Devices / Maxim Integrated 1: Rp1.599.954,66 295In Stock	Mfr. Part No. DS1747-70+ Mouser Part No 700-DS1747-70	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	295In Stock	Rp1.599.954,66 Rp1.332.103,06 Rp1.254.132,56 Rp1.184.601,22	Min.: 1 Mult.: 1 Max.: 236	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	EDIP-32	Integrated Battery	4.5 V	5.5 V	0 C	+ 70 C	DS1747	Through Hole	Tube
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1747W-120IND+ Analog Devices / Maxim Integrated 1: Rp1.608.210,36 223In Stock	Mfr. Part No. DS1747W-120IND+ Mouser Part No 700-DS1747W-120IND	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	223In Stock	Rp1.608.210,36 Rp1.338.891,08 Rp1.260.553,66 Rp1.190.655,40	Min.: 1 Mult.: 1 Max.: 178	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	EDIP-32	Integrated Battery	2.97 V	3.63 V	- 40 C	+ 85 C	DS1747W	Through Hole	Tube
Real Time Clock 1-Wire Time Chip With Interrupt DS2417P+T&R Analog Devices / Maxim Integrated 1: Rp90.262,32 5.365In Stock	Mfr. Part No. DS2417P+T&R Mouser Part No 700-DS2417PT&R	Analog Devices / Maxim Integrated	Real Time Clock 1-Wire Time Chip With Interrupt	Datasheet	5.365In Stock	Cut Tape Rp90.262,32 Rp68.797,50 Rp63.477,16 Rp57.422,98 View Reel Rp51.552,26 Rp54.671,08 Rp53.019,94 Rp52.286,10 Rp51.735,72 Rp51.552,26 MouseReel Available	Min.: 1 Mult.: 1 Max.: 4.292 : 4.000	Serial 1-Wire	Binary	Binary		Backup Switching	2.5 V	5.5 V	- 40 C	+ 85 C	DS2417P	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 5ppm, I C Real-Time Clock with SRAM DS3232MZ+ Analog Devices / Maxim Integrated 1: Rp286.381,06 2.531In Stock	Mfr. Part No. DS3232MZ+ Mouser Part No 700-DS3232MZ+	Analog Devices / Maxim Integrated	Real Time Clock 5ppm, I C Real-Time Clock with SRAM	Datasheet	2.531In Stock	Rp286.381,06 Rp224.188,12 Rp214.281,28 Rp181.992,32 View Rp178.506,58 Rp174.470,46	Min.: 1 Mult.: 1 Max.: 2.024	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-8	Backup Switching	2.3 V	4.5 V	- 40 C	+ 85 C	DS3232MZ	SMD/SMT	Tube
Real Time Clock Extremely Accurate SPI Bus RTC with Inte DS3234S#T&R Analog Devices / Maxim Integrated 1: Rp278.308,82 1.898In Stock	Mfr. Part No. DS3234S#T&R Mouser Part No 700-DS3234S#T&R-	Analog Devices / Maxim Integrated	Real Time Clock Extremely Accurate SPI Bus RTC with Inte	Datasheet	1.898In Stock	Cut Tape Rp278.308,82 Rp217.950,48 Rp202.723,30 Rp186.211,90 View Reel Rp156.491,38 Rp184.560,76 Rp184.193,84 Rp156.491,38 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1.518 : 1.000	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SO-20	Backup Switching	2 V	5.5 V	0 C	+ 70 C	DS3234S	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Low Current Real Time Clock with I2C Int MAX31341BEWC+T Analog Devices / Maxim Integrated 1: Rp55.955,30 5.281In Stock	Mfr. Part No. MAX31341BEWC+T Mouser Part No 700-MAX31341BEWC+T	Analog Devices / Maxim Integrated	Real Time Clock Low Current Real Time Clock with I2C Int Learn More about Analog Devices / Maxim Integrated maxim max31341b clock	Datasheet	5.281In Stock	Cut Tape Rp55.955,30 Rp41.828,88 Rp38.343,14 Rp34.307,02 View Reel Rp29.353,60 Rp32.472,42 Rp31.555,12 Rp30.637,82 Rp29.353,60 MouseReel Available	Min.: 1 Mult.: 1 Max.: 4.224 : 2.500	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.6 V	3.6 V	- 40 C	+ 85 C	MAX31341	SMD/SMT	Reel, Cut Tape, MouseReel