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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 RTC with Trickle Charger DS1340U-3+T&R Analog Devices / Maxim Integrated 1: Rp68.980,96 1.516In Stock	Mfr. Part No. DS1340U-3+T&R Mouser Part No 700-DS1340U-3T&R	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with Trickle Charger Learn More about Analog Devices / Maxim Integrated maximds1343	Datasheet	1.516In Stock	Cut Tape Rp68.980,96 Rp67.513,28 Rp66.045,60 Rp64.761,38 View Rp63.844,08 Rp62.743,32 Rp61.826,02 Rp60.908,72 MouseReel Available	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	uSOP-8	Backup Switching	2.7 V	3.3 V	- 40 C	+ 85 C	DS1340U	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Low-Current I C RTCs for High-ESR Crystals DS1341U+T&R Analog Devices / Maxim Integrated 1: Rp94.114,98 2.859In Stock	Mfr. Part No. DS1341U+T&R Mouser Part No 700-DS1341U+T&R	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	2.859In Stock	Cut Tape Rp94.114,98 Rp70.815,56 Rp65.128,30 Rp58.890,66 View Rp55.771,84 Rp55.404,92 Rp55.221,46 Rp46.782,30 MouseReel Available	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	Reel, Cut Tape, MouseReel
Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep DS1554-70IND+ Analog Devices / Maxim Integrated 1: Rp760.074,78 173In Stock	Mfr. Part No. DS1554-70IND+ Mouser Part No 700-DS1554-70IND	Analog Devices / Maxim Integrated	Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep	Datasheet	173In Stock	Rp760.074,78 Rp743.196,46 Rp727.235,44 Rp712.558,64 View Rp701.551,04 Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	EDIP-32	Integrated Battery	4.5 V	5.5 V	- 40 C	+ 85 C	DS1554	Through Hole	Tube
Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi DS1556WP-120IND+ Analog Devices / Maxim Integrated 1: Rp986.647,88 38In Stock	Mfr. Part No. DS1556WP-120IND+ Mouser Part No 700-DS1556WP-120IND	Analog Devices / Maxim Integrated	Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi	Datasheet	38In Stock	Rp986.647,88 Rp964.816,14 Rp943.901,70 Rp925.005,32 View 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	DS1556WP	SMD/SMT	Tray
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1746P-70+ Analog Devices / Maxim Integrated 1: Rp1.232.667,74 33In Stock	Mfr. Part No. DS1746P-70+ Mouser Part No 700-DS1746P-70	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	33In Stock	Rp1.232.667,74 Rp1.018.753,38 Rp951.973,94 Rp909.227,76	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	0 C	+ 70 C	DS1746P	SMD/SMT	Tray
Real Time Clock I C Serial Real-Time Clock DS1337+ Analog Devices / Maxim Integrated 1: Rp106.957,18 2.513In Stock	Mfr. Part No. DS1337+ Mouser Part No 700-DS1337	Analog Devices / Maxim Integrated	Real Time Clock I C Serial Real-Time Clock Learn More about Analog Devices / Maxim Integrated maxim ds1337 rtc	Datasheet	2.513In Stock	Rp106.957,18 Rp81.456,24 Rp74.851,68 Rp61.642,56 View Rp59.074,12 Rp58.156,82 Rp56.689,14	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	DIP-8	No Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C	DS1337	Through Hole	Tube
Real Time Clock Watchdog Clocks with NV RAM Control DS1558Y+ Analog Devices / Maxim Integrated 1: Rp239.231,84 253In Stock	Mfr. Part No. DS1558Y+ Mouser Part No 700-DS1558Y	Analog Devices / Maxim Integrated	Real Time Clock Watchdog Clocks with NV RAM Control	Datasheet	253In Stock	Rp239.231,84 Rp234.094,96 Rp228.958,08 Rp224.371,58 View Rp220.885,84 Rp217.583,56 Rp214.281,28 Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	TQFP-48	Backup Switching	4.5 V	5.5 V	- 40 C	+ 85 C	DS1558Y	SMD/SMT	Tray
Real Time Clock Ultra-Low power 12C Real Time clock w/ p MAX31331TETB+ Analog Devices / Maxim Integrated 1: Rp68.614,04 2.684In Stock	Mfr. Part No. MAX31331TETB+ Mouser Part No 700-MAX31331TETB+	Analog Devices / Maxim Integrated	Real Time Clock Ultra-Low power 12C Real Time clock w/ p Learn More about Analog Devices / Maxim Integrated maxim max31331 real time clock	Datasheet	2.684In Stock	Rp68.614,04 Rp51.185,34 Rp46.782,30 Rp42.012,34 View Rp39.627,36 Rp35.774,70 Rp34.123,56 Rp33.756,64 Rp33.573,18	Min.: 1 Mult.: 1												Tray
Real Time Clock 3V/5V Real-Time Clock DS1685EN-3+T&R Analog Devices / Maxim Integrated 1: Rp150.804,12 1.069In Stock	Mfr. Part No. DS1685EN-3+T&R Mouser Part No 700-DS1685EN-3T&R	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clock	Datasheet	1.069In Stock	Cut Tape Rp150.804,12 Rp147.501,84 Rp144.199,56 Rp141.264,20 View Reel Rp135.026,56 Rp139.246,14 Rp137.044,62 Rp135.026,56 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Multiplexed	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-24	Backup Switching	2.7 V	3.7 V	- 40 C	+ 85 C	DS1685EN	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 3V/5V Real-Time Clock DS1687-5IND+ Analog Devices / Maxim Integrated 1: Rp609.821,04 86In Stock	Mfr. Part No. DS1687-5IND+ Mouser Part No 700-DS1687-5IND	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clock	Datasheet	86In Stock	Rp609.821,04 Rp493.690,86 Rp464.520,72 Rp445.440,88 Rp417.371,50	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	- 40 C	+ 85 C	DS1687	Through Hole	Tube
Real Time Clock RTCs with Constant-Voltage Trickle Charg DS12CR887-5+ Analog Devices / Maxim Integrated 1: Rp252.257,50 392In Stock	Mfr. Part No. DS12CR887-5+ Mouser Part No 700-DS12CR887-5+	Analog Devices / Maxim Integrated	Real Time Clock RTCs with Constant-Voltage Trickle Charg	Datasheet	392In Stock	Rp252.257,50 Rp246.753,70 Rp241.433,36 Rp236.479,94 View Rp232.810,74 Rp229.325,00 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	- 40 C	+ 85 C	DS12CR887	Through Hole	Tube
Real Time Clock Phantom Time Chip DS1315EN-33+ Analog Devices / Maxim Integrated 1: Rp707.788,68 80In Stock	Mfr. Part No. DS1315EN-33+ Mouser Part No 700-DS1315EN-33	Analog Devices / Maxim Integrated	Real Time Clock Phantom Time Chip	Datasheet	80In Stock	Rp707.788,68 Rp573.129,04 Rp539.372,40 Rp516.990,28 View Rp484.701,32 Quote	Min.: 1 Mult.: 1	Phantom Clock	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-20	Backup Switching	3 V	3.6 V	- 40 C	+ 85 C	DS1315EN	SMD/SMT	Tube
Real Time Clock Phantom Time Chip DS1315S-33+ Analog Devices / Maxim Integrated 1: Rp625.231,68 65In Stock	Mfr. Part No. DS1315S-33+ Mouser Part No 700-DS1315S-33	Analog Devices / Maxim Integrated	Real Time Clock Phantom Time Chip	Datasheet	65In Stock	Rp625.231,68 Rp506.166,14 Rp476.445,62 Rp456.631,94 View Rp428.012,18 Quote	Min.: 1 Mult.: 1	Phantom Clock	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SO-16	Backup Switching	3 V	3.6 V	0 C	+ 70 C	DS1315S	SMD/SMT	Tube
Real Time Clock I C RTC/Supervisor with Trickle Charger DS1388Z-3+ Analog Devices / Maxim Integrated 1: Rp87.326,96 325In Stock	Mfr. Part No. DS1388Z-3+ Mouser Part No 700-DS1388Z-3	Analog Devices / Maxim Integrated	Real Time Clock I C RTC/Supervisor with Trickle Charger	Datasheet	325In Stock	Rp87.326,96 Rp85.492,36 Rp83.657,76 Rp82.006,62 View Rp80.722,40 Rp79.438,18 Rp78.337,42 Rp77.053,20	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-8	Backup Switching	2.7 V	3.3 V	- 40 C	+ 85 C	DS1388Z	SMD/SMT	Tube
Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle DS1394U-33+ Analog Devices / Maxim Integrated 1: Rp67.880,20 2.966In Stock	Mfr. Part No. DS1394U-33+ Mouser Part No 700-DS1394U-33	Analog Devices / Maxim Integrated	Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle	Datasheet	2.966In Stock	Rp67.880,20 Rp66.412,52 Rp64.944,84 Rp63.660,62 View Rp62.559,86 Rp61.642,56 Rp60.725,26 Rp59.807,96	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	DS1394U	SMD/SMT	Tube
Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks DS1511Y+ Analog Devices / Maxim Integrated 1: Rp758.240,18 96In Stock	Mfr. Part No. DS1511Y+ Mouser Part No 700-DS1511Y	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks	Datasheet	96In Stock	Rp758.240,18 Rp610.738,34 Rp571.661,36 Rp543.041,60 View Rp519.558,72 Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	EDIP-28	Backup Switching	4.5 V	5.5 V	0 C	+ 70 C	DS1511Y	Through Hole	Tube
Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi DS1556W-120+ Analog Devices / Maxim Integrated 1: Rp1.284.953,84 35In Stock	Mfr. Part No. DS1556W-120+ Mouser Part No 700-DS1556W-120	Analog Devices / Maxim Integrated	Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi	Datasheet	35In Stock	Rp1.284.953,84 Rp1.128.095,54 Rp1.035.081,32 Rp1.016.918,78	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)		Integrated Battery	2.97 V	3.63 V	0 C	+ 70 C	DS1556W	Through Hole	Tube
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1744-70IND+ Analog Devices / Maxim Integrated 1: Rp1.367.877,76 166In Stock	Mfr. Part No. DS1744-70IND+ Mouser Part No 700-DS1744-70IND	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	166In Stock	Rp1.367.877,76 Rp1.129.746,68 Rp1.070.122,18 Rp1.056.913,06 View Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	EDIP-28	Integrated Battery	4.5 V	5.5 V	- 40 C	+ 85 C	DS1744	Through Hole	Tube
Real Time Clock 3V/5V Real-Time Clocks DS17887-5+ Analog Devices / Maxim Integrated 1: Rp797.867,54 72In Stock	Mfr. Part No. DS17887-5+ Mouser Part No 700-DS17887-5	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clocks	Datasheet	72In Stock	Rp797.867,54 Rp652.016,84 Rp615.324,84 Rp598.263,06 View Rp556.434,18 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	DS17887	Through Hole	Tube
Real Time Clock Ultra-Low power RTC w/ integrated power MAX31334EWC+T Analog Devices / Maxim Integrated 1: Rp72.650,16 1.499In Stock	Mfr. Part No. MAX31334EWC+T Mouser Part No 700-MAX31334EWC+T	Analog Devices / Maxim Integrated	Real Time Clock Ultra-Low power RTC w/ integrated power Learn More about Analog Devices / Maxim Integrated maxim max31334 rtc	Datasheet	1.499In Stock	Cut Tape Rp72.650,16 Rp54.120,70 Rp49.534,20 Rp44.397,32 Rp37.609,30 View Rp42.012,34 Rp41.095,04 Rp39.076,98 Rp36.875,46	Min.: 1 Mult.: 1										MAX31334		Reel, Cut Tape
Real Time Clock I C RTC with 56-Byte NV RAM DS1338Z-3+ Analog Devices / Maxim Integrated 1: Rp121.817,44 2.678In Stock	Mfr. Part No. DS1338Z-3+ Mouser Part No 700-DS1338Z-3	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with 56-Byte NV RAM	Datasheet	2.678In Stock	Rp121.817,44 Rp93.381,14 Rp86.226,20 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:hh (12 hr, 24 hr)	SOIC-8	Backup Switching	2.7 V	5.5 V	- 40 C	+ 85 C	DS1338Z	SMD/SMT	Tube
Real Time Clock I C 32-Bit Binary Counter RTC DS1672U-33+T&R Analog Devices / Maxim Integrated 1: Rp59.074,12 664In Stock	Mfr. Part No. DS1672U-33+T&R Mouser Part No 700-DS1672U-33T&R	Analog Devices / Maxim Integrated	Real Time Clock I C 32-Bit Binary Counter RTC	Datasheet	664In Stock	Cut Tape Rp59.074,12 Rp57.789,90 Rp56.505,68 Rp55.404,92 View Rp54.487,62 Rp53.753,78 Rp52.836,48 Rp52.102,64 MouseReel Available	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	Binary	Binary		Backup Switching	2.97 V	3.63 V	- 40 C	+ 85 C	DS1672U	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz SPI Time Acc. 6ppm RV-3149-C3 32.768kHz OPTION A TA QC Micro Crystal 1: Rp79.438,18 269In Stock	Mfr. Part No. RV-3149-C3 32.768kHz OPTION A TA QC Mouser Part No 428-203658-MG01	Micro Crystal	Real Time Clock 32.768kHz SPI Time Acc. 6ppm Learn More about Micro Crystal real time clock modules	Datasheet	269In Stock	Cut Tape Rp79.438,18 Rp59.807,96 Rp55.038,00 Rp49.534,20 Reel Rp45.131,16 View Rp47.149,22 Rp46.782,30 Rp44.580,78 MouseReel Available	Min.: 1 Mult.: 1 : 1.000	SPI	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.3 V	5.5 V	- 40 C	+ 85 C	RV-3149	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I C Serial Real-Time Clock DS1337C#T&R Analog Devices / Maxim Integrated 1: Rp97.600,72 1.316In Stock	Mfr. Part No. DS1337C#T&R Mouser Part No 700-DS1337C#T&R-	Analog Devices / Maxim Integrated	Real Time Clock I C Serial Real-Time Clock Learn More about Analog Devices / Maxim Integrated maxim ds1337 rtc	Datasheet	1.316In Stock	Cut Tape Rp97.600,72 Rp95.582,66 Rp93.381,14 Rp91.546,54 Reel Rp87.510,42 View Rp90.262,32 Rp88.794,64 Rp86.226,20 MouseReel Available	Min.: 1 Mult.: 1 : 1.000	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SO-16	No Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C	DS1337C	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I C Serial Real-Time Clock DS1339U-3+ Analog Devices / Maxim Integrated 1: Rp70.999,02 1.309In Stock	Mfr. Part No. DS1339U-3+ Mouser Part No 700-DS1339U-3	Analog Devices / Maxim Integrated	Real Time Clock I C Serial Real-Time Clock Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	1.309In Stock	Rp70.999,02 Rp69.531,34 Rp67.880,20 Rp66.595,98 View Rp65.495,22 Rp64.577,92 Rp63.660,62 Rp62.743,32	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	uSOP-8	Backup Switching	2.7 V	3.3 V	- 40 C	+ 85 C	DS1339U	SMD/SMT	Tube