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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 (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 I C Serial Real-Time Clock DS1339U-2+ Analog Devices / Maxim Integrated 1: Rp129.339,30 290In Stock	Mfr. Part No. DS1339U-2+ Mouser Part No 700-DS1339U-2	Analog Devices / Maxim Integrated	Real Time Clock I C Serial Real-Time Clock Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	290In Stock	Rp129.339,30 Rp97.967,64 Rp88.427,72 Rp81.639,70 View Rp77.603,58 Rp75.035,14 Rp73.384,00 Rp73.200,54 Quote	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	uSOP-8	Backup Switching	1.8 V	2.2 V	- 40 C	+ 85 C	DS1339U	SMD/SMT	Tube
Real Time Clock I C Serial Real-Time Clock DS1339U-33+T&R Analog Devices / Maxim Integrated 1: Rp129.155,84 336In Stock	Mfr. Part No. DS1339U-33+T&R Mouser Part No 700-DS1339U-33T&R	Analog Devices / Maxim Integrated	Real Time Clock I C Serial Real-Time Clock Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	336In Stock	Cut Tape Rp129.155,84 Rp99.068,40 Rp91.546,54 Rp83.290,84 View Rp79.254,72 Rp76.869,74 Rp75.952,44 Rp74.851,68 MouseReel Available	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	uSOP-8	Backup Switching	2.97 V	5.5 V	- 40 C	+ 85 C	DS1339U	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I C RTC with Trickle Charger DS1340C-33# Analog Devices / Maxim Integrated 1: Rp219.051,24 175In Stock	Mfr. Part No. DS1340C-33# Mouser Part No 700-DS1340C-33#	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with Trickle Charger	Datasheet	175In Stock	Rp219.051,24 Rp171.535,10 Rp159.610,20 Rp146.401,08 View Rp145.116,86 Rp136.494,24 Rp133.375,42 Quote	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SO-16	Backup Switching	2.97 V	5.5 V	- 40 C	+ 85 C	DS1340C	SMD/SMT	Tube
Real Time Clock I C RTC with Trickle Charger DS1340U-33+ Analog Devices / Maxim Integrated 1: Rp121.817,44 13In Stock	Mfr. Part No. DS1340U-33+ Mouser Part No 700-DS1340U-33	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with Trickle Charger Learn More about Analog Devices / Maxim Integrated maximds1343	Datasheet	13In Stock	Rp121.817,44 Rp93.381,14 Rp85.492,36 Rp78.337,42 View Rp74.484,76 Rp72.283,24 Rp71.549,40 Rp70.632,10	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	uSOP-8	Backup Switching	2.97 V	5.5 V	- 40 C	+ 85 C	DS1340U	SMD/SMT	Tube
Real Time Clock Low-Current I C RTCs for High-ESR Crystals DS1341U+ Analog Devices / Maxim Integrated 1: Rp94.114,98 121In Stock	Mfr. Part No. DS1341U+ Mouser Part No 700-DS1341U	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	121In Stock	Rp94.114,98 Rp70.815,56 Rp60.174,88 Rp58.707,20 View Rp55.588,38 Rp54.854,54 Rp51.552,26 Rp50.084,58	Min.: 1 Mult.: 1	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	DS1341U	SMD/SMT	Tube
Real Time Clock Low-Current SPI/3-Wire RTCs DS1343E-3+ Analog Devices / Maxim Integrated 1: Rp83.290,84 17In Stock	Mfr. Part No. DS1343E-3+ Mouser Part No 700-DS1343E-3+	Analog Devices / Maxim Integrated	Real Time Clock Low-Current SPI/3-Wire RTCs Learn More about Analog Devices / Maxim Integrated maximds1343	Datasheet	17In Stock	Rp83.290,84 Rp81.456,24 Rp79.621,64 Rp77.970,50 View Rp76.869,74 Rp75.768,98 Rp74.484,76 Rp73.384,00	Min.: 1 Mult.: 1	Serial 3-Wire, SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-20	Backup Switching	2.7 V	5.5 V	- 40 C	+ 85 C	DS1343E	SMD/SMT	Tube
Real Time Clock Low-Current SPI/3-Wire RTCs DS1344E-33+ Analog Devices / Maxim Integrated 1: Rp151.171,04 49In Stock	Mfr. Part No. DS1344E-33+ Mouser Part No 700-DS1344E-33+	Analog Devices / Maxim Integrated	Real Time Clock Low-Current SPI/3-Wire RTCs Learn More about Analog Devices / Maxim Integrated maximds1343	Datasheet	49In Stock	Rp151.171,04 Rp116.497,10 Rp107.874,48 Rp98.334,56 View Rp90.996,16 Rp88.060,80 Rp83.841,22	Min.: 1 Mult.: 1	Serial 3-Wire, SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-20	Backup Switching	3 V	5.5 V	- 40 C	+ 85 C	DS1344E	SMD/SMT	Tube
Real Time Clock I C, 32-Bit, Binary Counter Clock with 64-Bit ID DS1372U+ Analog Devices / Maxim Integrated 1: Rp93.931,52 100In Stock	Mfr. Part No. DS1372U+ Mouser Part No 700-DS1372U	Analog Devices / Maxim Integrated	Real Time Clock I C, 32-Bit, Binary Counter Clock with 64-Bit ID	Datasheet	100In Stock	Rp93.931,52 Rp71.549,40 Rp60.725,26 Rp59.624,50 View Rp56.689,14 Rp54.854,54 Rp53.753,78 Rp52.653,02	Min.: 1 Mult.: 1	I2C	Binary	Binary	uSOP-8	No Backup Switching	2.4 V	5.5 V	- 40 C	+ 85 C	DS1372U+	SMD/SMT	Tube
Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output DS1374U-3+ Analog Devices / Maxim Integrated 1: Rp118.882,08 91In Stock	Mfr. Part No. DS1374U-3+ Mouser Part No 700-DS1374U-3	Analog Devices / Maxim Integrated	Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output	Datasheet	91In Stock	Rp118.882,08 Rp90.996,16 Rp82.006,62 Rp77.787,04 View Rp73.384,00 Rp71.365,94 Rp70.081,72 Rp68.430,58	Min.: 1 Mult.: 1	I2C	Binary	Binary	uSOP-10	Backup Switching	2.7 V	3.3 V	- 40 C	+ 85 C	DS1374U	SMD/SMT	Tube
Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output DS1374U-33+ Analog Devices / Maxim Integrated 1: Rp121.817,44 4In Stock	Mfr. Part No. DS1374U-33+ Mouser Part No 700-DS1374U-33	Analog Devices / Maxim Integrated	Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output	Datasheet	4In Stock	Rp121.817,44 Rp93.381,14 Rp79.254,72 Rp78.337,42 View Rp74.484,76 Rp72.283,24 Rp71.549,40 Rp70.632,10	Min.: 1 Mult.: 1	I2C	Binary	Binary	uSOP-10	Backup Switching	2.97 V	5.5 V	- 40 C	+ 85 C	DS1374U	SMD/SMT	Tube
Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output DS1374U-33+T&R Analog Devices / Maxim Integrated 1: Rp113.378,28 301In Stock	Mfr. Part No. DS1374U-33+T&R Mouser Part No 700-DS1374U-33T&R	Analog Devices / Maxim Integrated	Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output	Datasheet	301In Stock	Cut Tape Rp113.378,28 Rp86.409,66 Rp86.226,20 Rp78.520,88 Rp76.869,74 Rp65.862,14 MouseReel Available	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	Binary	Binary	uSOP-10	Backup Switching	2.97 V	5.5 V	- 40 C	+ 85 C	DS1374U	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle DS1390U-33+ Analog Devices / Maxim Integrated 1: Rp121.817,44 22In Stock	Mfr. Part No. DS1390U-33+ Mouser Part No 700-DS1390U-33	Analog Devices / Maxim Integrated	Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle	Datasheet	22In Stock	Rp121.817,44 Rp93.381,14 Rp79.254,72 Rp78.337,42 View Rp74.484,76 Rp72.283,24 Rp71.549,40 Rp70.632,10	Min.: 1 Mult.: 1	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	DS1390U	SMD/SMT	Tube
Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle DS1391U-3+ Analog Devices / Maxim Integrated 1: Rp121.817,44 40In Stock	Mfr. Part No. DS1391U-3+ Mouser Part No 700-DS1391U-3	Analog Devices / Maxim Integrated	Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle	Datasheet	40In Stock	Rp121.817,44 Rp93.381,14 Rp79.254,72 Rp78.337,42 View Rp74.484,76 Rp72.283,24 Rp71.549,40 Rp70.632,10	Min.: 1 Mult.: 1	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	uSOP-10	Backup Switching	2.7 V	3.3 V	- 40 C	+ 85 C	DS1391U	SMD/SMT	Tube
Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle DS1391U-33+ Analog Devices / Maxim Integrated 1: Rp121.817,44 201In Stock	Mfr. Part No. DS1391U-33+ Mouser Part No 700-DS1391U-33	Analog Devices / Maxim Integrated	Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle	Datasheet	201In Stock	Rp121.817,44 Rp93.381,14 Rp79.254,72 Rp78.337,42 View Rp74.484,76 Rp72.283,24 Rp71.549,40 Rp70.632,10	Min.: 1 Mult.: 1	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	DS1391U	SMD/SMT	Tube
Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle DS1393U-33+ Analog Devices / Maxim Integrated 1: Rp140.897,28 43In Stock	Mfr. Part No. DS1393U-33+ Mouser Part No 700-DS1393U-33	Analog Devices / Maxim Integrated	Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle	Datasheet	43In Stock	Rp140.897,28 Rp108.608,32 Rp92.280,38 Rp91.546,54 View Rp84.758,52 Rp82.190,08 Rp78.153,96	Min.: 1 Mult.: 1	Serial 3-Wire	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)		Backup Switching	2.97 V	5.5 V	- 40 C	+ 85 C	DS1393U	SMD/SMT	Tube
Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks DS1501WZN+ Analog Devices / Maxim Integrated 1: Rp408.748,88 5In Stock	Mfr. Part No. DS1501WZN+ Mouser Part No 700-DS1501WZN	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks	Datasheet	5In Stock	Rp408.748,88 Rp323.990,36 Rp304.543,60 Rp279.409,58 Rp267.484,68	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	SO-28	Backup Switching	3 V	3.6 V	- 40 C	+ 85 C	DS1501WZN+	SMD/SMT	Tube
Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks DS1501YZ+ Analog Devices / Maxim Integrated 1: Rp367.286,92 6In Stock	Mfr. Part No. DS1501YZ+ Mouser Part No 700-DS1501YZ	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks	Datasheet	6In Stock	Rp367.286,92 Rp297.939,04 Rp252.991,34 Rp247.671,00 View Rp236.663,40 Rp231.709,98 Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	SO-28	Backup Switching	4.5 V	5.5 V	0 C	+ 70 C	DS1501YZ+	SMD/SMT	Tube
Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep DS1554P-70IND+ Analog Devices / Maxim Integrated 1: Rp1.104.612,66 5In Stock	Mfr. Part No. DS1554P-70IND+ Mouser Part No 700-DS1554P-70IND	Analog Devices / Maxim Integrated	Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep	Datasheet	5In Stock	Rp1.104.612,66 Rp902.806,66 Rp852.355,16 Rp828.505,36 View Rp770.165,08 Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	PowerCap Module-34	Backup Switching	4.5 V	5.5 V	- 40 C	+ 85 C	DS1554P	SMD/SMT	Tray
Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep DS1554W-120IND+ Analog Devices / Maxim Integrated 1: Rp1.088.835,10 9In Stock	Mfr. Part No. DS1554W-120IND+ Mouser Part No 700-DS1554W-120IND	Analog Devices / Maxim Integrated	Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep	Datasheet	9In Stock	Rp1.088.835,10 Rp891.615,60 Rp836.944,52 Rp789.795,30 View Rp761.359,00 Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	EDIP-32	Integrated Battery	2.97 V	3.63 V	- 40 C	+ 85 C	DS1554W	Through Hole	Tube
Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep DS1554WP-120+ Analog Devices / Maxim Integrated 1: Rp590.557,74 2In Stock	Mfr. Part No. DS1554WP-120+ Mouser Part No 700-DS1554WP-120	Analog Devices / Maxim Integrated	Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep	Datasheet	2In Stock	Rp590.557,74 Rp577.532,08 Rp565.056,80 Rp553.682,28 View Rp545.243,12 Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	PowerCap Module-34	Backup Switching	2.97 V	3.63 V	0 C	+ 70 C	DS1554WP	SMD/SMT	Tray
Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep DS1554WP-120IND+ Analog Devices / Maxim Integrated 1: Rp1.038.567,06 33In Stock	Mfr. Part No. DS1554WP-120IND+ Mouser Part No 700-DS1554WP-120IND	Analog Devices / Maxim Integrated	Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep	Datasheet	33In Stock	Rp1.038.567,06 Rp848.869,42 Rp801.353,28 Rp778.971,16 View Rp703.018,72 Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	PowerCap Module-34	Backup Switching	2.97 V	3.63 V	- 40 C	+ 85 C	DS1554WP	SMD/SMT	Tray
Real Time Clock Portable System Controller DS1670E+ Analog Devices / Maxim Integrated 1: Rp288.399,12 90In Stock	Mfr. Part No. DS1670E+ Mouser Part No 700-DS1670E	Analog Devices / Maxim Integrated	Real Time Clock Portable System Controller	Datasheet	90In Stock	Rp288.399,12 Rp225.839,26 Rp210.245,16 Rp190.798,40 View Rp188.596,88 Rp178.690,04 Rp174.653,92 Quote	Min.: 1 Mult.: 1	Serial 3-Wire	YY-MM-DD-dd	HH:MM:SS (24 hr)	TSSOP-20	Backup Switching	2.97 V	3.63 V	0 C	+ 70 C	DS1670E	SMD/SMT	Tube
Real Time Clock I C 32-Bit Binary Counter RTC DS1672S-33+ Analog Devices / Maxim Integrated 1: Rp108.241,40 53In Stock	Mfr. Part No. DS1672S-33+ Mouser Part No 700-DS1672S-33	Analog Devices / Maxim Integrated	Real Time Clock I C 32-Bit Binary Counter RTC	Datasheet	53In Stock	Rp108.241,40 Rp82.557,00 Rp75.952,44 Rp64.394,46 View Rp63.293,70 Rp62.559,86 Rp61.826,02	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	Binary	Binary	SOIC-8	Backup Switching	2.97 V	3.63 V	- 40 C	+ 85 C	DS1672S	SMD/SMT	Tube
Real Time Clock Portable System Controller DS1673E-3+ Analog Devices / Maxim Integrated 1: Rp299.773,64 69In Stock	Mfr. Part No. DS1673E-3+ Mouser Part No 700-DS1673E-3	Analog Devices / Maxim Integrated	Real Time Clock Portable System Controller	Datasheet	69In Stock	Rp299.773,64 Rp237.397,24 Rp207.676,72 Rp200.705,24 View Rp195.017,98 Rp189.330,72 Rp185.111,14 Quote	Min.: 1 Mult.: 1	Serial 3-Wire	Binary	Binary	TSSOP-20	Backup Switching	2.7 V	3.3 V	0 C	+ 70 C	DS1673E	SMD/SMT	Tube
Real Time Clock Portable System Controller DS1673E-5+ Analog Devices / Maxim Integrated 1: Rp273.905,78 9In Stock	Mfr. Part No. DS1673E-5+ Mouser Part No 700-DS1673E-5	Analog Devices / Maxim Integrated	Real Time Clock Portable System Controller	Datasheet	9In Stock	Rp273.905,78 Rp214.464,74 Rp188.596,88 Rp182.542,70 View Rp181.625,40 Rp170.984,72 Rp168.416,28 Quote	Min.: 1 Mult.: 1	Serial 3-Wire	YY-MM-DD-dd	HH:MM:SS (24 hr)	TSSOP-20	Backup Switching	4.5 V	5.5 V	0 C	+ 70 C	DS1673E	SMD/SMT	Tube