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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 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
Real Time Clock Total-Elapsed-Time Recorder with Alarm DS1682S+ Analog Devices / Maxim Integrated 1: Rp178.690,04 6In Stock	Mfr. Part No. DS1682S+ Mouser Part No 700-DS1682S	Analog Devices / Maxim Integrated	Real Time Clock Total-Elapsed-Time Recorder with Alarm	Datasheet	6In Stock	Rp178.690,04 Rp138.879,22 Rp128.972,38 Rp117.964,78 View Rp111.910,60 Rp109.709,08 Rp107.140,64 Quote	Min.: 1 Mult.: 1	I2C	Binary	Binary	SOIC-8	No Backup Switching	2.5 V	5.5 V	- 40 C	+ 85 C	DS1682	SMD/SMT	Tube
Real Time Clock 3V/5V Real-Time Clock DS1685E-3+ Analog Devices / Maxim Integrated 1: Rp228.224,24 71In Stock	Mfr. Part No. DS1685E-3+ Mouser Part No 700-DS1685E-3	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clock	Datasheet	71In Stock	Rp228.224,24 Rp178.690,04 Rp166.398,22 Rp152.638,72 View Rp151.171,04 Rp142.364,96 Rp139.062,68 Quote	Min.: 1 Mult.: 1	Multiplexed	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-24	Backup Switching	2.7 V	3.7 V	0 C	+ 70 C	DS1685E	SMD/SMT	Tube
Real Time Clock 3V/5V Real-Time Clock DS1685EN-3+ Analog Devices / Maxim Integrated 1: Rp260.880,12 18In Stock	Mfr. Part No. DS1685EN-3+ Mouser Part No 700-DS1685EN-3	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clock	Datasheet	18In Stock	Rp260.880,12 Rp204.374,44 Rp190.248,02 Rp174.470,46 View Rp172.819,32 Rp162.545,56 Rp158.876,36 Quote	Min.: 1 Mult.: 1	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	Tube
Real Time Clock 3V/5V Real-Time Clock DS1685SN-5+ Analog Devices / Maxim Integrated 1: Rp278.125,36 24In Stock	Mfr. Part No. DS1685SN-5+ Mouser Part No 700-DS1685SN-5	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clock	Datasheet	24In Stock	Rp278.125,36 Rp217.767,02 Rp193.917,22 Rp181.075,02 View Rp178.323,12 Rp168.966,66 Rp165.664,38 Quote	Min.: 1 Mult.: 1	Multiplexed	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-24	Backup Switching	4.5 V	5.5 V	- 40 C	+ 85 C	DS1685SN	SMD/SMT	Tube
Real Time Clock 3V/5V Real-Time Clock DS1687-3IND+ Analog Devices / Maxim Integrated 1: Rp643.761,14 30In Stock	Mfr. Part No. DS1687-3IND+ Mouser Part No 700-DS1687-3IND	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clock	Datasheet	30In Stock	Rp643.761,14 Rp512.036,86 Rp484.884,78 Rp450.761,22 View Rp435.167,12 Rp422.508,38 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	DS1687	Through Hole	Tube
Real Time Clock 3V/5V Real-Time Clock DS1687-5+ Analog Devices / Maxim Integrated 1: Rp541.757,38 63In Stock	Mfr. Part No. DS1687-5+ Mouser Part No 700-DS1687-5	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clock	Datasheet	63In Stock	Rp541.757,38 Rp433.149,06 Rp405.813,52 Rp375.909,54 View Rp361.783,12 Rp353.160,50 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	DS1687	Through Hole	Tube
Real Time Clock 3V/5V Real-Time Clocks DS17285SN-3+ Analog Devices / Maxim Integrated 1: Rp231.159,60 10In Stock	Mfr. Part No. DS17285SN-3+ Mouser Part No 700-DS17285SN-3	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clocks	Datasheet	10In Stock	Rp231.159,60 Rp226.206,18 Rp221.252,76 Rp216.849,72 View Rp213.547,44 Rp210.245,16 Rp207.126,34 Quote	Min.: 1 Mult.: 1	Multiplexed	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SO-24	Backup Switching	2.7 V	3.7 V	- 40 C	+ 85 C	DS17285SN	SMD/SMT	Tube
Real Time Clock 3V/5V Real-Time Clocks DS17287-5+ Analog Devices / Maxim Integrated 1: Rp624.130,92 1In Stock	Mfr. Part No. DS17287-5+ Mouser Part No 700-DS17287-5	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clocks	Datasheet	1In Stock	Rp624.130,92 Rp495.892,38 Rp468.923,76 Rp435.900,96 View Rp420.673,78 Rp415.536,90 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: Rp1.145.891,16 15In Stock	Mfr. Part No. DS1744W-120+ Mouser Part No 700-DS1744W-120	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	15In Stock	Rp1.145.891,16 Rp946.470,14 Rp896.385,56 Rp885.194,50 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: Rp1.204.047,98 15In Stock	Mfr. Part No. DS1744W-120IND+ Mouser Part No 700-DS1744W-120IND	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	15In Stock	Rp1.204.047,98 Rp994.536,66 Rp941.883,64 Rp930.142,20 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: Rp261.980,88 5In Stock	Mfr. Part No. DS17485S-5+ Mouser Part No 700-DS17485S-5	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clocks	Datasheet	5In Stock	Rp261.980,88 Rp256.293,62 Rp250.789,82 Rp245.652,94 View Rp241.983,74 Rp238.314,54 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: Rp766.679,34 1In Stock	Mfr. Part No. DS17887-3IND+ Mouser Part No 700-DS17887-3IND+	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clocks	Datasheet	1In Stock	Rp766.679,34 Rp749.801,02 Rp733.473,08 Rp718.796,28 View Rp707.788,68 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: Rp90.262,32 235In Stock	Mfr. Part No. DS2417P+ Mouser Part No 700-DS2417P	Analog Devices / Maxim Integrated	Real Time Clock 1-Wire Time Chip With Interrupt	Datasheet	235In Stock	Rp90.262,32 Rp68.797,50 Rp63.477,16 Rp57.422,98 View Rp54.487,62 Rp52.836,48 Rp52.102,64 Rp51.552,26 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: Rp306.194,74 1In Stock	Mfr. Part No. DS3231SN#T&R Mouser Part No 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 Rp306.194,74 Rp242.534,12 Rp226.573,10 Rp208.594,02 View Rp206.025,58 Rp199.421,02 Rp190.431,48 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: Rp278.308,82 13In Stock	Mfr. Part No. DS3232S#T&R Mouser Part No 700-DS3232S#T&R-	Analog Devices / Maxim Integrated	Real Time Clock Extremely Accurate I C RTC with Integrat	Datasheet	13In Stock	Cut Tape Rp278.308,82 Rp217.950,48 Rp202.906,76 Rp186.211,90 View Rp184.560,76 Rp184.193,84 Rp156.491,38 MouseReel Available	Min.: 1 Mult.: 1				SO-20				0 C	+ 70 C	DS3232S	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 3.5ppm, I2C RTC with Integrated Crystal and Power Management MAX31328NELB+ Analog Devices / Maxim Integrated 1: Rp122.734,74 200In Stock	Mfr. Part No. MAX31328NELB+ Mouser Part No 700-MAX31328NELB+	Analog Devices / Maxim Integrated	Real Time Clock 3.5ppm, I2C RTC with Integrated Crystal and Power Management Learn More about Analog Devices / Maxim Integrated maxim max31328 i2c rtc	Datasheet	200In Stock	Rp122.734,74 Rp97.233,80 Rp89.895,40 Rp81.823,16 View Rp75.585,52 Rp73.750,92 Rp72.650,16 Rp62.926,78 Quote	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	LGA-10	Backup Switching	2.3 V	5.5 V	- 40 C	+ 85 C	MAX31328	SMD/SMT	Tray
Real Time Clock ULTRA LO PWR CLK/CAL RTC IC PCF8563T/F4,118 NXP Semiconductors 1: Rp31.738,58 45In Stock	Mfr. Part No. PCF8563T/F4,118 Mouser Part No 771-PCF8563TD-T	NXP Semiconductors	Real Time Clock ULTRA LO PWR CLK/CAL RTC IC	Datasheet	45In Stock	Cut Tape Rp31.738,58 Rp23.299,42 Rp21.097,90 Rp18.896,38 Rp15.961,02 View Rp17.777,27 Rp17.098,47 Rp17.006,74 Rp15.612,45 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 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: Rp97.417,26 2.348In Stock	Mfr. Part No. ECS-RTC-3225-5699C3-TR Mouser Part No 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 Rp97.417,26 Rp74.301,30 Rp68.430,58 Rp62.009,48 View Reel Rp55.038,00 Rp59.074,12 Rp57.973,36 Rp57.789,90 Rp55.038,00 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: Rp104.021,82 783In Stock	Mfr. Part No. ECS-RTC-3225-5699HS-TR Mouser Part No 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 Rp104.021,82 Rp79.438,18 Rp73.200,54 Rp66.412,52 Reel Rp59.991,42 View Rp63.293,70 Rp61.826,02 Rp59.807,96 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 RX-4045SA:AA0 PURE SN 5+/-5PPM 1K T/R RX-4045SAAA0 PURE SN Epson Timing 1: Rp86.226,20 1.506In Stock	Mfr. Part No. RX-4045SAAA0 PURE SN Mouser Part No 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 Rp86.226,20 Rp65.311,76 Rp59.991,42 Rp54.304,16 Reel Rp49.901,12 View Rp53.019,94 Rp51.919,18 Rp45.131,16	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: Rp175.571,22 703In Stock	Mfr. Part No. RX-4045SAAA3 PURE SN Mouser Part No 732-RX-4045SA:AA3S	Epson Timing	Real Time Clock RX-4045SA:AA3 PURE SN 5+/-5PPM 250 T/R	Datasheet	703In Stock	Cut Tape Rp175.571,22 Rp136.677,70 Rp116.313,64 Rp108.424,86 Reel Rp103.471,44 View Rp102.737,60 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