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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-3+T&R Analog Devices / Maxim Integrated 1: Rp70.999,02 423In Stock	Mfr. Part No. DS1339U-3+T&R Mouser Part No 700-DS1339U-3T&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	423In Stock	Cut Tape 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 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	2.7 V	3.3 V	- 40 C	+ 85 C	DS1339U	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock AECQ-200 IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 3215 AB-RTC-XLA-32.768KHZ-2-T1 ABRACON 1: Rp56.322,22 900In Stock New Product	Mfr. Part No. AB-RTC-XLA-32.768KHZ-2-T1 Mouser Part No 815-TCXLA32768KHZ2T1 New Product	ABRACON	Real Time Clock AECQ-200 IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 3215 Learn More about ABRACON ab rtc xl low power rtcs	Datasheet	900In Stock	Cut Tape Rp56.322,22 Rp42.195,80 Rp38.526,60 Rp34.673,94 Reel Rp30.270,90 View Rp32.839,34 Rp31.738,58 Rp29.720,52 Rp29.170,14 MouseReel Available	Min.: 1 Mult.: 1 : 1.000	I2C		HH:MM:SS (24 hr)	SON-8	No Backup Switching	900 mV	5.5 V	- 40 C	+ 85 C	AB-RTC-XLA	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Low Power Consumption I C RTC 3.2 x 2.5 x 1.0 mm (lwh) ECS-RTC-3225-5609-TR ECS 1: Rp93.014,22 11.700In Stock	Mfr. Part No. ECS-RTC-3225-5609-TR Mouser Part No 520-ECSRTC32255609TR	ECS	Real Time Clock Low Power Consumption I C RTC 3.2 x 2.5 x 1.0 mm (lwh) Learn More about ECS rtc real time clock module	Datasheet	11.700In Stock	Cut Tape Rp93.014,22 Rp70.815,56 Rp65.311,76 Rp59.257,58 Reel Rp51.919,18 View Rp56.322,22 Rp53.386,86 Rp51.185,34 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1.000	I2C	YY-MM-DD	HH:MM:SS (24 hr)		Backup Switching	2.5 V	5 V	- 20 C	+ 80 C		SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock RX8130CE:B6 REAL TIME CLOCK +/-23PPM 2K TR RX8130CE B6 Epson Timing 1: Rp25.500,94 91.582In Stock	Mfr. Part No. RX8130CE B6 Mouser Part No 732-RX8130CEB6	Epson Timing	Real Time Clock RX8130CE:B6 REAL TIME CLOCK +/-23PPM 2K TR	Datasheet	91.582In Stock	Cut Tape Rp25.500,94 Rp18.346,00 Rp16.603,13 Rp14.676,80 Reel Rp12.071,67 View Rp13.741,15 Rp13.190,77 Rp12.878,89 Rp11.943,25 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.25 V	5.5 V	- 40 C	+ 85 C	RX8130CE	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz SPI Time Acc. 25ppm RV-3149-C3 32.768kHz OPTION B TA QC Micro Crystal 1: Rp67.880,20 717In Stock	Mfr. Part No. RV-3149-C3 32.768kHz OPTION B TA QC Mouser Part No 428-203605-MG01	Micro Crystal	Real Time Clock 32.768kHz SPI Time Acc. 25ppm Learn More about Micro Crystal real time clock modules	Datasheet	717In Stock	Cut Tape Rp67.880,20 Rp51.001,88 Rp46.965,76 Rp42.195,80 Reel Rp36.875,46 View Rp39.810,82 Rp38.893,52 Rp35.774,70 Rp35.040,86 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 RX8010SJ Epson Timing 1: Rp63.477,16 54.168In Stock	Mfr. Part No. RX8010SJ Mouser Part No 732-RX8010SJ	Epson Timing	Real Time Clock	Datasheet	54.168In Stock	Rp63.477,16 Rp47.332,68 Rp43.296,56 Rp38.710,06 View Rp36.692,00 Rp35.774,70 Rp33.940,10 Rp33.022,80 Rp32.288,96	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		No Backup Switching	1.6 V	5.5 V	- 40 C	+ 85 C	RX8010SJ	SMD/SMT	Bulk
Real Time Clock REAL TIME CLK W/ ALARM & TIMR FUNCTNS ISL12058IRTZ Renesas / Intersil 1: Rp51.735,72 953In Stock	Mfr. Part No. ISL12058IRTZ Mouser Part No 968-ISL12058IRTZ	Renesas / Intersil	Real Time Clock REAL TIME CLK W/ ALARM & TIMR FUNCTNS	Datasheet	953In Stock	Rp51.735,72 Rp38.526,60 Rp35.407,78 Rp31.555,12 View Rp29.720,52 Rp29.170,14 Rp27.885,92 Rp27.152,08 Rp26.418,24	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	TDFN-8	No Backup Switching	1.8 V	3.6 V	- 40 C	+ 85 C	ISL12058	SMD/SMT	Tube
Real Time Clock Real-time Clock Mod I2C Bus PT7C4307WEX Diodes Incorporated 1: Rp24.033,26 4.411In Stock Factory Special Order	Mfr. Part No. PT7C4307WEX Mouser Part No 729-PT7C4307WEX Factory Special Order	Diodes Incorporated	Real Time Clock Real-time Clock Mod I2C Bus Learn More about Diodes Incorporated diodes timing solutions	Datasheet	4.411In Stock	Cut Tape Rp24.033,26 Rp17.300,28 Rp15.667,48 Rp13.832,88 Reel Rp11.539,63 View Rp12.970,62 Rp12.456,93 Rp11.888,21 Rp11.264,44 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)		Backup Switching	2 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock w/242x8 NVSRAM Alarm Wake-up BQ3285ES Texas Instruments 1: Rp335.364,88 85In Stock End of Life	Mfr. Part No. BQ3285ES Mouser Part No 595-BQ3285ES End of Life	Texas Instruments	Real Time Clock w/242x8 NVSRAM Alarm Wake-up	Datasheet	85In Stock	Rp335.364,88 Rp266.017,00 Rp248.221,38 Rp229.325,00 View Rp218.684,32 Rp214.648,20 Quote	Min.: 1 Mult.: 1	Multiplexed	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-24		4.5 V	5.5 V	0 C	+ 70 C	BQ3285E	SMD/SMT	Tube
Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep DS1554P-70+ Analog Devices / Maxim Integrated 1: Rp627.066,28 37In Stock	Mfr. Part No. DS1554P-70+ Mouser Part No 700-DS1554P-70	Analog Devices / Maxim Integrated	Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep	Datasheet	37In Stock	Rp627.066,28 Rp613.123,32 Rp599.914,20 Rp587.805,84 View Rp578.816,30 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	0 C	+ 70 C	DS1554P	SMD/SMT	Tray
Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi DS1556W-120IND+ Analog Devices / Maxim Integrated 1: Rp1.432.272,22 14In Stock	Mfr. Part No. DS1556W-120IND+ Mouser Part No 700-DS1556W-120IND	Analog Devices / Maxim Integrated	Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi	Datasheet	14In Stock	Rp1.432.272,22 Rp1.192.856,92 Rp1.122.775,20 Rp1.060.765,72 View 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	DS1556W	Through Hole	Tube
Real Time Clock 3V/5V Real-Time Clocks DS17487-5+ Analog Devices / Maxim Integrated 1: Rp668.711,70 49In Stock	Mfr. Part No. DS17487-5+ Mouser Part No 700-DS17487-5	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clocks	Datasheet	49In Stock	Rp668.711,70 Rp541.573,92 Rp509.284,96 Rp488.370,52 View Rp457.916,16 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	DS17487	Through Hole	Tube
Real Time Clock 3V/5V Real-Time Clocks DS17885S-5+ Analog Devices / Maxim Integrated 1: Rp686.690,78 28In Stock	Mfr. Part No. DS17885S-5+ Mouser Part No 700-DS17885S-5	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clocks	Datasheet	28In Stock	Rp686.690,78 Rp555.883,80 Rp523.227,92 Rp490.572,04 View Rp470.207,98 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	DS17885S	SMD/SMT	Tube
Real Time Clock I C RTC with Trickle Charger DS1340U-3+ Analog Devices / Maxim Integrated 1: Rp68.980,96 204In Stock	Mfr. Part No. DS1340U-3+ Mouser Part No 700-DS1340U-3	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with Trickle Charger Learn More about Analog Devices / Maxim Integrated maximds1343	Datasheet	204In Stock	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	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	Tube
Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi DS1556P-70+ Analog Devices / Maxim Integrated 1: Rp940.049,04 20In Stock	Mfr. Part No. DS1556P-70+ Mouser Part No 700-DS1556P-70	Analog Devices / Maxim Integrated	Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi	Datasheet	20In Stock	Rp940.049,04 Rp919.318,06 Rp899.320,92 Rp881.341,84 View Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	4.5 V	5.5 V	0 C	+ 70 C	DS1556P	SMD/SMT	Tray
Real Time Clock 3V/5V Real-Time Clocks DS17287-3+ Analog Devices / Maxim Integrated 1: Rp616.058,68 54In Stock	Mfr. Part No. DS17287-3+ Mouser Part No 700-DS17287-3	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clocks	Datasheet	54In Stock	Rp616.058,68 Rp495.158,54 Rp469.290,68 Rp442.688,98 View Rp421.774,54 Rp421.591,08 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	0 C	+ 70 C	DS17287	Through Hole	Tube
Real Time Clock I C RTC with Trickle Charger DS1340U-18+ Analog Devices / Maxim Integrated 1: Rp140.897,28 259In Stock	Mfr. Part No. DS1340U-18+ Mouser Part No 700-DS1340U-18	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with Trickle Charger Learn More about Analog Devices / Maxim Integrated maximds1343	Datasheet	259In Stock	Rp140.897,28 Rp108.608,32 Rp97.233,80 Rp91.546,54 View Rp84.758,52 Rp82.190,08 Rp78.153,96	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	uSOP-8	Backup Switching	1.71 V	1.89 V	- 40 C	+ 85 C	DS1340U	SMD/SMT	Tube
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1746W-120IND+ Analog Devices / Maxim Integrated 1: Rp1.400.533,64 23In Stock	Mfr. Part No. DS1746W-120IND+ Mouser Part No 700-DS1746W-120IND	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	23In Stock	Rp1.400.533,64 Rp1.156.898,76 Rp1.092.687,76 Rp1.040.034,74	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	DS1746W	Through Hole	Tube
Real Time Clock Low-Current SPI/3-Wire RTCs DS1343E-33+ Analog Devices / Maxim Integrated 1: Rp149.886,82 155In Stock	Mfr. Part No. DS1343E-33+ Mouser Part No 700-DS1343E-33+	Analog Devices / Maxim Integrated	Real Time Clock Low-Current SPI/3-Wire RTCs Learn More about Analog Devices / Maxim Integrated maximds1343	Datasheet	155In Stock	Rp149.886,82 Rp115.579,80 Rp106.957,18 Rp97.417,26 View Rp90.262,32 Rp90.078,86 Rp87.326,96 Rp83.107,38	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	DS1343E	SMD/SMT	Tube
Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi DS1556-70+ Analog Devices / Maxim Integrated 1: Rp1.516.480,36 16In Stock	Mfr. Part No. DS1556-70+ Mouser Part No 700-DS1556-70	Analog Devices / Maxim Integrated	Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi	Datasheet	16In Stock	Rp1.516.480,36 Rp1.262.938,64 Rp1.188.820,80 Rp1.123.142,12 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	0 C	+ 70 C	DS1556	Through Hole	Tube
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1746WP-120IND+ Analog Devices / Maxim Integrated 1: Rp977.841,80 20In Stock	Mfr. Part No. DS1746WP-120IND+ Mouser Part No 700-DS1746WP-120IND	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	20In Stock	Rp977.841,80 Rp956.193,52 Rp935.462,54 Rp916.749,62 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	DS1746WP	SMD/SMT	Tray
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1747W-120+ Analog Devices / Maxim Integrated 1: Rp1.511.526,94 21In Stock	Mfr. Part No. DS1747W-120+ Mouser Part No 700-DS1747W-120	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	21In Stock	Rp1.511.526,94 Rp1.258.719,06 Rp1.184.968,14 Rp1.119.289,46 Quote 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	0 C	+ 70 C	DS1747W	Through Hole	Tube
Real Time Clock AECQ-200 IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 2012 AB-RTC-XPA-32.768KHZ-2-T1 ABRACON 1: Rp53.386,86 800In Stock New Product	Mfr. Part No. AB-RTC-XPA-32.768KHZ-2-T1 Mouser Part No 815-AB-XPA-32768K2T1 New Product	ABRACON	Real Time Clock AECQ-200 IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 2012 Learn More about ABRACON ultra low power rtc modules	Datasheet	800In Stock	Cut Tape Rp53.386,86 Rp39.810,82 Rp36.325,08 Rp32.655,88 Reel Rp28.619,76 View Rp30.821,28 Rp30.087,44 Rp27.702,46 Rp27.152,08 MouseReel Available	Min.: 1 Mult.: 1 : 1.000	I2C			DFN-8	Integrated Battery	900 mV	5.5 V	- 40 C	+ 85 C	AB-RTC-XPA-32.768kHz-2	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 3215 AB-RTC-XL-32.768KHZ-2-T1 ABRACON 1: Rp53.570,32 852In Stock New Product	Mfr. Part No. AB-RTC-XL-32.768KHZ-2-T1 Mouser Part No 815-RTCXL32768KHZ2T1 New Product	ABRACON	Real Time Clock IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 3215 Learn More about ABRACON ab rtc xl low power rtcs	Datasheet	852In Stock	Cut Tape Rp53.570,32 Rp39.994,28 Rp36.508,54 Rp32.839,34 Reel Rp29.170,14 View Rp31.004,74 Rp30.270,90 Rp28.069,38 Rp27.702,46 MouseReel Available	Min.: 1 Mult.: 1 : 1.000	I2C		HH:MM:SS (24 hr)	SON-8	No Backup Switching	900 mV	5.5 V	- 40 C	+ 85 C	AB-RTC-XL	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 2012 AB-RTC-XP-32.768KHZ-2-T1 ABRACON 1: Rp51.368,80 800In Stock New Product	Mfr. Part No. AB-RTC-XP-32.768KHZ-2-T1 Mouser Part No 815-XP32762T1 New Product	ABRACON	Real Time Clock IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 2012 Learn More about ABRACON ultra low power rtc modules	Datasheet	800In Stock	Cut Tape Rp51.368,80 Rp38.343,14 Rp35.040,86 Rp31.371,66 Reel Rp27.519,00 View Rp29.720,52 Rp28.986,68 Rp26.601,70 Rp26.234,78 MouseReel Available	Min.: 1 Mult.: 1 : 1.000	I2C			DFN-8	Integrated Battery	900 mV	5.5 V	- 40 C	+ 85 C	AB-RTC-XP-32.768kHz-2	SMD/SMT	Reel, Cut Tape, MouseReel