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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	Qualification	Packaging
Real Time Clock 3V/5V Real-Time Clock DS1685S-3+ Analog Devices / Maxim Integrated 1: Rp227.857,32 80In Stock	Mfr. Part No. DS1685S-3+ Mouser Part No 700-DS1685S-3	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clock	Datasheet	80In Stock	Rp227.857,32 Rp178.506,58 Rp166.031,30 Rp152.455,26 View Rp150.987,58 Rp141.998,04 Rp138.879,22 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	0 C	+ 70 C	DS1685S	SMD/SMT		Tube
Real Time Clock 3V/5V Real-Time Clock DS1685SN-3+ Analog Devices / Maxim Integrated 1: Rp286.014,14 20In Stock	Mfr. Part No. DS1685SN-3+ Mouser Part No 700-DS1685SN-3	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clock	Datasheet	20In Stock	Rp286.014,14 Rp225.839,26 Rp208.594,02 Rp192.816,46 View Rp186.028,44 Rp179.790,80 Rp175.754,68 Quote	Min.: 1 Mult.: 1	Multiplexed	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-24	Backup Switching	2.7 V	3.7 V	- 40 C	+ 85 C	DS1685SN	SMD/SMT		Tube
Real Time Clock 3V/5V Real-Time Clock DS1687-3+ Analog Devices / Maxim Integrated 1: Rp562.121,44 68In Stock	Mfr. Part No. DS1687-3+ Mouser Part No 700-DS1687-3	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clock	Datasheet	68In Stock	Rp562.121,44 Rp449.293,54 Rp421.040,70 Rp390.035,96 View Rp375.359,16 Rp366.553,08 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	0 C	+ 70 C	DS1687	Through Hole		Tube
Real Time Clock 3V/5V Real-Time Clocks DS17285SN-5+ Analog Devices / Maxim Integrated 1: Rp385.999,84 42In Stock	Mfr. Part No. DS17285SN-5+ Mouser Part No 700-DS17285SN-5	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clocks	Datasheet	42In Stock	Rp385.999,84 Rp306.011,28 Rp286.014,14 Rp263.815,48 View Rp251.523,66 Rp247.120,62 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	- 40 C	+ 85 C	DS17285SN	SMD/SMT		Tube
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1744-70+ Analog Devices / Maxim Integrated 1: Rp1.188.453,88 188In Stock	Mfr. Part No. DS1744-70+ Mouser Part No 700-DS1744-70	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	188In Stock	Rp1.188.453,88 Rp981.694,46 Rp929.775,28 Rp918.033,84 Quote 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	0 C	+ 70 C	DS1744	Through Hole		Tube
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1744WP-120+ Analog Devices / Maxim Integrated 1: Rp1.123.692,50 53In Stock	Mfr. Part No. DS1744WP-120+ Mouser Part No 700-DS1744WP-120	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	53In Stock	Rp1.123.692,50 Rp928.124,14 Rp879.323,78 Rp816.763,92 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	0 C	+ 70 C	DS1744WP	Through Hole		Tray
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1746-70IND+ Analog Devices / Maxim Integrated 1: Rp1.423.833,06 35In Stock	Mfr. Part No. DS1746-70IND+ Mouser Part No 700-DS1746-70IND	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	35In Stock	Rp1.423.833,06 Rp1.175.978,60 Rp1.113.969,12 Rp1.100.026,16 View 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	DS1746	Through Hole		Tube
Real Time Clock 3V/5V Real-Time Clocks DS17487-3IND+ Analog Devices / Maxim Integrated 1: Rp443.789,74 6In Stock	Mfr. Part No. DS17487-3IND+ Mouser Part No 700-DS17487-3IND	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clocks	Datasheet	6In Stock	Rp443.789,74 Rp434.066,36 Rp424.526,44 Rp416.087,28 View Rp409.666,18 Rp403.428,54 Quote	Min.: 1 Mult.: 1	Multiplexed	YY-MM-DD-dd	HH:MM:SS (24 hr)	EDIP-24	Backup Switching	2.7 V	3.7 V	- 40 C	+ 85 C	DS17487	Through Hole		Tube
Real Time Clock 5ppm, I2C Real-Time Clock DS3231M+ Analog Devices / Maxim Integrated 1: Rp283.996,08 912In Stock	Mfr. Part No. DS3231M+ Mouser Part No 700-DS3231M+	Analog Devices / Maxim Integrated	Real Time Clock 5ppm, I2C Real-Time Clock Learn More about Analog Devices / Maxim Integrated maximds3231m	Datasheet	912In Stock	Rp283.996,08 Rp222.353,52 Rp206.575,96 Rp189.881,10 View Rp188.046,50 Rp177.038,90 Rp173.002,78 Quote	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	DS3231M	SMD/SMT		Tube
Real Time Clock Extremely Accurate I C-Integrated RTC/TC DS3231SN# Analog Devices / Maxim Integrated 1: Rp341.052,14 762In Stock	Mfr. Part No. DS3231SN# Mouser Part No 700-DS3231SN#	Analog Devices / Maxim Integrated	Real Time Clock Extremely Accurate I C-Integrated RTC/TC	Datasheet	762In Stock	Rp341.052,14 Rp270.420,04 Rp246.937,16 Rp233.177,66 View Rp222.353,52 Rp218.317,40 Quote	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		Tube
Real Time Clock 5ppm, I C Real-Time Clock with SRAM DS3232MZ/V+ Analog Devices / Maxim Integrated 1: Rp248.221,38 179In Stock	Mfr. Part No. DS3232MZ/V+ Mouser Part No 700-DS3232MZ/V+	Analog Devices / Maxim Integrated	Real Time Clock 5ppm, I C Real-Time Clock with SRAM	Datasheet	179In Stock	Rp248.221,38 Rp195.201,44 Rp165.847,84 Rp158.509,44 View Rp150.070,28 Rp147.685,30 Quote	Min.: 1 Mult.: 1	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	AEC-Q100	Tube
Real Time Clock Extremely Accurate I C RTC with Integrat DS3232S# Analog Devices / Maxim Integrated 1: Rp274.456,16 142In Stock	Mfr. Part No. DS3232S# Mouser Part No 700-DS3232S#	Analog Devices / Maxim Integrated	Real Time Clock Extremely Accurate I C RTC with Integrat	Datasheet	142In Stock	Rp274.456,16 Rp242.350,66 Rp225.655,80 Rp207.126,34 View Rp205.108,28 Rp192.999,92 Rp181.441,94 Quote	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SO-20	Backup Switching	2.3 V	5.5 V	0 C	+ 70 C	DS3232S	SMD/SMT		Tube
Real Time Clock Extremely Accurate I C RTC with Integrat DS3232SN# Analog Devices / Maxim Integrated 1: Rp315.000,82 211In Stock	Mfr. Part No. DS3232SN# Mouser Part No 700-DS3232SN#	Analog Devices / Maxim Integrated	Real Time Clock Extremely Accurate I C RTC with Integrat	Datasheet	211In Stock	Rp315.000,82 Rp249.505,60 Rp227.857,32 Rp213.914,36 View Rp206.392,50 Rp199.971,40 Rp194.834,52 Quote	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SO-20	Backup Switching	2.3 V	5.5 V	- 40 C	+ 85 C	DS3232SN	SMD/SMT		Tube
Real Time Clock Extremely Accurate SPI Bus RTC with Inte DS3234S# Analog Devices / Maxim Integrated 1: Rp309.497,02 550In Stock	Mfr. Part No. DS3234S# Mouser Part No 700-DS3234S#	Analog Devices / Maxim Integrated	Real Time Clock Extremely Accurate SPI Bus RTC with Inte	Datasheet	550In Stock	Rp309.497,02 Rp242.350,66 Rp225.655,80 Rp207.126,34 View Rp205.108,28 Rp192.999,92 Rp188.596,88 Quote	Min.: 1 Mult.: 1	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		Tube
Real Time Clock Integrated RC17 w/ NDK Crystal MAX31329NELB+ Analog Devices / Maxim Integrated 1: Rp94.114,98 2.705In Stock	Mfr. Part No. MAX31329NELB+ Mouser Part No 700-MAX31329NELB+	Analog Devices / Maxim Integrated	Real Time Clock Integrated RC17 w/ NDK Crystal Learn More about Analog Devices / Maxim Integrated maxim max31329 i2c rtc	Datasheet	2.705In Stock	Rp94.114,98 Rp92.280,38 Rp92.096,92 Rp50.634,96 Quote Quote	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	LGA-10	Backup Switching	1.6 V	5.5 V	- 40 C	+ 85 C		SMD/SMT		Tray
Real Time Clock RTC with power management MAX31341CETB+T Analog Devices / Maxim Integrated 1: Rp54.854,54 6.441In Stock	Mfr. Part No. MAX31341CETB+T Mouser Part No 700-MAX31341CETB+T	Analog Devices / Maxim Integrated	Real Time Clock RTC with power management	Datasheet	6.441In Stock	Cut Tape Rp54.854,54 Rp41.095,04 Rp37.425,84 Rp33.573,18 Reel Rp28.803,22 View Rp31.738,58 Rp30.637,82 Rp30.087,44 Rp28.069,38 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	TDFN-10	Backup Switching	1.6 V	3.6 V	- 40 C	+ 85 C		SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock 5ppm, I2C Real-Time Clock with Integrated MEMS Oscillator MAX31343ETAY+ Analog Devices / Maxim Integrated 1: Rp132.091,20 471In Stock	Mfr. Part No. MAX31343ETAY+ Mouser Part No 700-MAX31343ETAY+	Analog Devices / Maxim Integrated	Real Time Clock 5ppm, I2C Real-Time Clock with Integrated MEMS Oscillator	Datasheet	471In Stock	Rp132.091,20 Rp101.453,38 Rp93.931,52 Rp86.960,04 View Rp84.941,98 Rp75.585,52 Quote	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	TDFN-8	Backup Switching	1.6 V	5.5 V	- 40 C	+ 85 C		SMD/SMT		Tray
Real Time Clock Real-Time Clock SPI interface with power management, -40 to +85 C, 16-pin QFN AM1815AQ Ambiq 1: Rp13.759,50 106In Stock 3.000Expected 08/01/2027	Mfr. Part No. AM1815AQ Mouser Part No 222-AM1815AQ	Ambiq	Real Time Clock Real-Time Clock SPI interface with power management, -40 to +85 C, 16-pin QFN	Datasheet	106In Stock 3.000Expected 08/01/2027	Rp13.759,50 Rp13.649,42	Min.: 1 Mult.: 1										Artasie SPI w/ Power Management
Real Time Clock 32.768 kHz +/-20 PPM I2C -40/+85C RV-4162-C7-32.768kHz-20PPM-TA-QC Micro Crystal 1: Rp47.883,06 470In Stock 33.000Expected 13/11/2026	Mfr. Part No. RV-4162-C7-32.768kHz-20PPM-TA-QC Mouser Part No 428-200007-MG01	Micro Crystal	Real Time Clock 32.768 kHz +/-20 PPM I2C -40/+85C Learn More about Micro Crystal real time clock modules	Datasheet	470In Stock 33.000Expected 13/11/2026	Cut Tape Rp47.883,06 Rp35.591,24 Rp32.472,42 Rp29.170,14 Reel Rp25.500,94 View Rp27.519,00 Rp26.785,16 Rp24.950,56 Rp24.400,18 MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)		No Backup Switching	1 V	4.4 V	- 40 C	+ 85 C	RV-4162-C7	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock 32.768 kHz +/-3 PPM I2C -40/+85C RV-8803-C7-32.768KHZ-3PPM-TA-QC Micro Crystal 1: Rp53.753,78 63.660On Order	Mfr. Part No. RV-8803-C7-32.768KHZ-3PPM-TA-QC Mouser Part No 428-202677-MG01	Micro Crystal	Real Time Clock 32.768 kHz +/-3 PPM I2C -40/+85C Learn More about Micro Crystal real time clock modules	Datasheet	63.660On Order On Order Ship Dates Mfr. No: RV-8803-C7-32.768KHZ-3PPM-TA-QC Stock: 0 On Order: 19.660 Expected 11/11/2026 44.000 Expected 30/04/2027 Factory Lead Time: 34 Weeks	Cut Tape Rp53.753,78 Rp43.846,94 Rp41.278,50 Rp37.242,38 View Reel Rp28.252,84 Rp29.353,60 Rp28.803,22 Rp28.252,84 MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)		No Backup Switching	1.5 V	5.5 V	- 40 C	+ 85 C	RV-8803-C7	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz SPI Time Acc. 6ppm AEC RV-3149-C3 32.768kHz OPTION A TB QA Micro Crystal 1: Rp85.492,36 52In Stock 1.000Expected 18/06/2027	Mfr. Part No. RV-3149-C3 32.768kHz OPTION A TB QA Mouser Part No 428-203641-MG01	Micro Crystal	Real Time Clock 32.768kHz SPI Time Acc. 6ppm AEC Learn More about Micro Crystal real time clock modules	Datasheet	52In Stock 1.000Expected 18/06/2027	Cut Tape Rp85.492,36 Rp64.944,84 Rp59.807,96 Rp54.120,70 View Reel Rp49.350,74 Rp51.368,80 Rp50.818,42 Rp49.350,74 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	+ 125 C	RV-3149	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz I2C 2.5ppm 3.2x1.5x0.8mm Temperature Sensor & Real Time Clock RV-3032-C7 32.768kHz-2.5PPM-TA-QC Micro Crystal 1: Rp60.725,26 252In Stock 36.000Expected 18/12/2026	Mfr. Part No. RV-3032-C7 32.768kHz-2.5PPM-TA-QC Mouser Part No 428-203803-MG01	Micro Crystal	Real Time Clock 32.768kHz I2C 2.5ppm 3.2x1.5x0.8mm Temperature Sensor & Real Time Clock Learn More about Micro Crystal rv 3032 c7 rtc module	Datasheet	252In Stock 36.000Expected 18/12/2026	Cut Tape Rp60.725,26 Rp45.498,08 Rp41.828,88 Rp37.609,30 Reel Rp34.307,02 View Rp35.591,24 Rp34.857,40 Rp33.756,64 Rp30.637,82 MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)		Backup Switching	1.3 V	5.5 V	- 40 C	+ 105 C	RV-3032-C7	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz SPI 20ppm 2.0x1.2x0.7 AEC-Q200 RV-8063-C8 32.768kHz-20PPM-TA-QA Micro Crystal 1: Rp28.986,68 26In Stock 1.000Expected 05/02/2027	Mfr. Part No. RV-8063-C8 32.768kHz-20PPM-TA-QA Mouser Part No 428-204290-MC01	Micro Crystal	Real Time Clock 32.768kHz SPI 20ppm 2.0x1.2x0.7 AEC-Q200 Learn More about Micro Crystal rv 8063 c8 rtc modules	Datasheet	26In Stock 1.000Expected 05/02/2027	Cut Tape Rp28.986,68 Rp21.281,36 Rp19.263,30 Rp16.951,70 Reel Rp15.282,22 View Rp15.924,33 Rp15.502,37 Rp14.548,38 Rp14.273,19 MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Serial 3-Wire, SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SON-8		900 mV	5.5 V	- 40 C	+ 85 C	RV-8063-C8	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock 128 NVRAM Serial RTC 3.0 to 3.6 Vcc M41ST87WSS6F STMicroelectronics 1: Rp142.548,42 23In Stock 1.350On Order	Mfr. Part No. M41ST87WSS6F Mouser Part No 511-M41ST87WSS6F	STMicroelectronics	Real Time Clock 128 NVRAM Serial RTC 3.0 to 3.6 Vcc	Datasheet	23In Stock 1.350On Order	Cut Tape Rp142.548,42 Rp110.076,00 Rp101.820,30 Rp93.014,22 Reel Rp79.805,10 View Rp87.326,96 Rp87.143,50 Rp75.768,98 MouseReel Available	Min.: 1 Mult.: 1 : 1.350	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SSOP-20	Backup Switching	2.7 V	3.6 V	- 40 C	+ 85 C	M41ST87W	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock Serial 512 (64x8) M41T81M6F STMicroelectronics 1: Rp55.771,84 61In Stock 5.000Expected 23/08/2027	Mfr. Part No. M41T81M6F Mouser Part No 511-M41T81M6F	STMicroelectronics	Real Time Clock Serial 512 (64x8)	Datasheet	61In Stock 5.000Expected 23/08/2027	Cut Tape Rp55.771,84 Rp41.828,88 Rp38.343,14 Rp34.490,48 View Reel Rp27.335,54 Rp32.655,88 Rp31.004,74 Rp29.537,06 Rp27.335,54 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-8	Backup Switching	2 V	5.5 V	- 40 C	+ 85 C	M41T81	SMD/SMT		Reel, Cut Tape, MouseReel