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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 I2C GP RTCC 1Kb EE 64B SRAM EUI-48 MCP79411-I/SN Microchip Technology 1: Rp20.180,60 11.846In Stock	Mfr. Part No. MCP79411-I/SN Mouser Part No 579-MCP79411ISN	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	11.846In Stock	Rp20.180,60 Rp19.263,30 Rp18.346,00	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-8	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock 2-Wire Real Time Clock IC R2023T-E2-F Nisshinbo 1: Rp27.335,54 5.003In Stock	Mfr. Part No. R2023T-E2-F Mouser Part No 848-R2023TE2F	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	5.003In Stock	Cut Tape Rp27.335,54 Rp19.997,14 Rp18.107,50 Rp16.071,10 Reel Rp12.511,97 View Rp15.080,41 Rp14.493,34 Rp13.044,01 Rp12.475,28 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-10	No Backup Switching	1.7 V	5.5 V	- 40 C	+ 85 C	R2023T	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 64K (8Kx8) 150ns M48T18-150PC1 STMicroelectronics 1: Rp925.922,62 395In Stock	Mfr. Part No. M48T18-150PC1 Mouser Part No 511-M48T1815PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 150ns	Datasheet	395In Stock	Rp925.922,62 Rp699.349,52 Rp668.711,70 Rp656.419,88 View Rp653.667,98 Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	PCDIP-28	Integrated Battery	4.5 V	5.5 V	0 C	+ 70 C	M48T18	Through Hole	Tube
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 MCP79411T-I/MS Microchip Technology 1: Rp22.932,50 4.734In Stock	Mfr. Part No. MCP79411T-I/MS Mouser Part No 579-MCP79411TIMS	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	4.734In Stock	Cut Tape Rp22.932,50 Reel Rp18.896,38 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	MSOP-8	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock REAL TIME CLKRTC IN ISL1219IUZ-T Renesas / Intersil 1: Rp74.484,76 2.180In Stock	Mfr. Part No. ISL1219IUZ-T Mouser Part No 968-ISL1219IUZ-T	Renesas / Intersil	Real Time Clock REAL TIME CLKRTC IN	Datasheet	2.180In Stock	Cut Tape Rp74.484,76 Rp56.138,76 Rp51.552,26 Rp46.598,84 View Reel Rp41.095,04 Rp44.213,86 Rp43.846,94 Rp41.278,50 Rp41.095,04 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	MSOP-10	Backup Switching	2.7 V	5.5 V	- 40 C	+ 85 C	ISL1219	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 3-wire Real Time Clock S-35190A-I8T1U ABLIC 1: Rp24.950,56 2.889In Stock	Mfr. Part No. S-35190A-I8T1U Mouser Part No 628-S-35190A-I8T1U	ABLIC	Real Time Clock 3-wire Real Time Clock	Datasheet	2.889In Stock	Cut Tape Rp24.950,56 Rp20.364,06 Rp19.263,30 Rp17.960,73 View Reel Rp15.649,14 Rp17.373,66 Rp17.025,09 Rp16.970,05 Rp15.667,48 Rp15.649,14 MouseReel Available	Min.: 1 Mult.: 1 : 5.000	Serial 3-Wire	YY-MM-DD-dd	HH:MM:SS (24 hr)	SNT-A-8	Backup Switching	1.3 V	5.5 V	- 40 C	+ 85 C	S-35190	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP ISL12057IBZ Renesas / Intersil 1: Rp51.735,72 1.702In Stock	Mfr. Part No. ISL12057IBZ Mouser Part No 968-ISL12057IBZ	Renesas / Intersil	Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP	Datasheet	1.702In Stock	Rp51.735,72 Rp38.526,60 Rp35.407,78 Rp31.738,58 View Rp29.903,98 Rp28.619,76 Rp27.702,46 Rp26.785,16 Rp26.234,78	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-8	No Backup Switching	1.8 V	3.6 V	- 40 C	+ 85 C	ISL12057	SMD/SMT	Tube
Real Time Clock I2CAL TIME CLK/CLNDR W/EVENT DETCT 10LD ISL1209IU10Z-TK Renesas / Intersil 1: Rp73.567,46 1.963In Stock	Mfr. Part No. ISL1209IU10Z-TK Mouser Part No 968-ISL1209IU10Z-TK	Renesas / Intersil	Real Time Clock I2CAL TIME CLK/CLNDR W/EVENT DETCT 10LD	Datasheet	1.963In Stock	Cut Tape Rp73.567,46 Rp55.404,92 Rp51.001,88 Rp46.048,46 View Reel Rp38.526,60 Rp43.663,48 Rp43.296,56 Rp38.526,60 MouseReel Available	Min.: 1 Mult.: 1 : 1.000	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	MSOP-10	Backup Switching	2.7 V	5.5 V	- 40 C	+ 85 C	ISL1209	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768 kHz OPTION A TEMP COMP SPI RV-3049-C3-32.768KHZ-OPTION-A-TA-QC Micro Crystal 1: Rp87.326,96 899In Stock NRND	Mfr. Part No. RV-3049-C3-32.768KHZ-OPTION-A-TA-QC Mouser Part No 428-202184-MG01 NRND	Micro Crystal	Real Time Clock 32.768 kHz OPTION A TEMP COMP SPI	Datasheet	899In Stock	Rp87.326,96 Rp65.862,14 Rp60.541,80 Rp54.487,62 View Rp51.735,72 Rp51.368,80 Rp43.480,02 Rp43.296,56 Rp43.113,10	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.3 V	5.5 V	- 40 C	+ 85 C	RV-3049-C3	SMD/SMT
Real Time Clock Serial RTC A 595-BQ3 2000DR A 595-BQ3200 A 595-BQ32000DR BQ32000D Texas Instruments 1: Rp42.012,34 673In Stock	Mfr. Part No. BQ32000D Mouser Part No 595-BQ32000D	Texas Instruments	Real Time Clock Serial RTC A 595-BQ3 2000DR A 595-BQ3200 A 595-BQ32000DR	Datasheet	673In Stock	Rp42.012,34 Rp35.224,32 Rp31.922,04 Rp27.335,54 View Rp26.601,70 Rp26.418,24 Rp25.867,86 Rp25.500,94	Min.: 1 Mult.: 1	Serial	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-8	Backup Switching	3 V	3.6 V	- 40 C	+ 85 C	BQ32000	SMD/SMT	Tube
Real Time Clock 2-Wire Real Time Clock IC R2051L02-E2 Nisshinbo 1: Rp29.537,06 3.620In Stock	Mfr. Part No. R2051L02-E2 Mouser Part No 848-R2051L02-E2	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	3.620In Stock	Cut Tape Rp29.537,06 Rp21.648,28 Rp19.630,22 Rp17.318,62 Reel Rp13.631,08 View Rp16.272,90 Rp15.630,79 Rp14.181,46 Rp13.521,00 MouseReel Available	Min.: 1 Mult.: 1 : 3.000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	QFN023023-16	Backup Switching	750 mV	5.5 V	- 40 C	+ 85 C	R2051L	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 3-Wire Real Time Clock IC R2033T-E2-F Nisshinbo 1: Rp27.335,54 1.989In Stock	Mfr. Part No. R2033T-E2-F Mouser Part No 848-R2033TE2F	Nisshinbo	Real Time Clock 3-Wire Real Time Clock IC	Datasheet	1.989In Stock	Cut Tape Rp27.335,54 Rp19.997,14 Rp18.107,50 Rp16.071,10 View Reel Rp12.732,12 Rp15.080,41 Rp14.493,34 Rp12.842,20 Rp12.732,12 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	Serial 3-Wire	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-10	No Backup Switching	1.7 V	5.5 V	- 40 C	+ 85 C	R2033T	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 2-Wire Real Time Clock IC R2223T-E2-F Nisshinbo 1: Rp29.903,98 1.680In Stock	Mfr. Part No. R2223T-E2-F Mouser Part No 848-R2223TE2F	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC		1.680In Stock	Cut Tape Rp29.903,98 Rp22.015,20 Rp19.997,14 Rp17.758,93 Reel Rp13.612,73 View Rp16.841,63 Rp16.052,75 Rp13.631,08 Rp13.539,35 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-10	No Backup Switching	1.5 V	5.5 V	- 40 C	+ 85 C	R2223T	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 1Kb EE 64B SRAM WD TED EUI-64 MCP795W12-I/SL Microchip Technology 1: Rp33.940,10 717In Stock	Mfr. Part No. MCP795W12-I/SL Mouser Part No 579-MCP795W12-I/SL	Microchip Technology	Real Time Clock 1Kb EE 64B SRAM WD TED EUI-64 Learn More about Microchip Technology microchip mcp795xx	Datasheet	717In Stock	Rp33.940,10 Rp31.371,66 Rp29.720,52	Min.: 1 Mult.: 1	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-14	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock 4-wire Serial Interface RV5C348B-E2-F Nisshinbo 1: Rp30.087,44 1.445In Stock	Mfr. Part No. RV5C348B-E2-F Mouser Part No 848-RV5C348B-E2-F	Nisshinbo	Real Time Clock 4-wire Serial Interface	Datasheet	1.445In Stock	Cut Tape Rp30.087,44 Rp22.015,20 Rp19.997,14 Rp17.630,51 Reel Rp14.621,76 View Rp16.566,44 Rp15.924,33 Rp14.640,11 Rp14.548,38 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	Serial 4-Wire	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SSOP-10	Backup Switching	2 V	5.5 V	- 40 C	+ 85 C	RV5C348	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 4-Wire Real Time Clock IC RV5C348A-E2-F Nisshinbo 1: Rp30.087,44 1.720In Stock	Mfr. Part No. RV5C348A-E2-F Mouser Part No 848-RV5C348AE2F	Nisshinbo	Real Time Clock 4-Wire Real Time Clock IC	Datasheet	1.720In Stock	Cut Tape Rp30.087,44 Rp22.015,20 Rp19.997,14 Rp17.630,51 Reel Rp14.621,76 View Rp16.566,44 Rp15.924,33 Rp14.640,11 Rp14.016,34 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	Serial 4-Wire, SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SSOP-10	Backup Switching	2 V	5.5 V	- 40 C	+ 85 C	RV5C348	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I2C RTCC 64B SRAM No VBAT MCP7940M-I/ST Microchip Technology 1: Rp13.025,66 1.292In Stock	Mfr. Part No. MCP7940M-I/ST Mouser Part No 579-MCP7940M-I/ST	Microchip Technology	Real Time Clock I2C RTCC 64B SRAM No VBAT Learn More about Microchip Technology microchip real time clocks	Datasheet	1.292In Stock	Rp13.025,66 Rp12.695,43 Rp12.108,36 Rp11.374,52 Rp11.356,17	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-8	No Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock Parallel RTC A 595-B Q4802LYDW A 595-BQ4 A 595-BQ4802LYDW BQ4802LYDWR Texas Instruments 1: Rp168.232,82 895In Stock End of Life	Mfr. Part No. BQ4802LYDWR Mouser Part No 595-BQ4802LYDWR End of Life	Texas Instruments	Real Time Clock Parallel RTC A 595-B Q4802LYDW A 595-BQ4 A 595-BQ4802LYDW	Datasheet	895In Stock	Cut Tape Rp168.232,82 Rp130.256,60 Rp120.900,14 Rp110.442,92 Reel Rp98.884,94 View Rp105.489,50 Rp102.554,14 Rp96.499,96 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-28	Backup Switching	2.7 V	3.6 V	0 C	+ 70 C	BQ4802LY	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial Alarm Real-Time Clock DS1305N+ Analog Devices / Maxim Integrated 1: Rp254.642,48 1.067In Stock	Mfr. Part No. DS1305N+ Mouser Part No 700-DS1305N	Analog Devices / Maxim Integrated	Real Time Clock Serial Alarm Real-Time Clock	Datasheet	1.067In Stock	Rp254.642,48 Rp199.421,02 Rp185.294,60 Rp170.250,88 View Rp166.948,60 Rp158.692,90 Rp155.023,70 Quote	Min.: 1 Mult.: 1	Serial 3-Wire, SPI	YY-MM-DD	HH:MM:SS (24 hr)	DIP-16	Backup Switching	2 V	5.5 V	- 40 C	+ 85 C	DS1305N	Through Hole	Tube
Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks DS1501YN+ Analog Devices / Maxim Integrated 1: Rp252.440,96 162In Stock	Mfr. Part No. DS1501YN+ Mouser Part No 700-DS1501YN	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks	Datasheet	162In Stock	Rp252.440,96 Rp246.937,16 Rp241.616,82 Rp236.663,40 View Rp233.177,66 Rp229.508,46 Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	PDIP-28	Backup Switching	4.5 V	5.5 V	- 40 C	+ 85 C	DS1501YN	Through Hole	Tube
Real Time Clock I C 32-Bit Binary Counter RTC DS1672S-3+T&R Analog Devices / Maxim Integrated 1: Rp58.340,28 1.880In Stock	Mfr. Part No. DS1672S-3+T&R Mouser Part No 700-DS1672S-3T&R	Analog Devices / Maxim Integrated	Real Time Clock I C 32-Bit Binary Counter RTC	Datasheet	1.880In Stock	Cut Tape Rp58.340,28 Rp57.056,06 Rp55.771,84 Rp54.671,08 View Rp53.753,78 Rp53.019,94 Rp52.286,10 Rp51.368,80 MouseReel Available	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	Binary	Binary	SOIC-8	Backup Switching	2.7 V	3.3 V	- 40 C	+ 85 C	DS1672S	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Real-time Clock IC PT7C4337AWEX Diodes Incorporated 1: Rp22.382,12 327In Stock	Mfr. Part No. PT7C4337AWEX Mouser Part No 729-PT7C4337AWEX	Diodes Incorporated	Real Time Clock Real-time Clock IC Learn More about Diodes Incorporated diodes timing solutions	Datasheet	327In Stock	Cut Tape Rp22.382,12 Rp16.144,48 Rp14.621,76 Rp12.915,58 View Reel Rp11.741,44 Rp12.108,36 Rp11.759,79 Rp11.741,44 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)		No Backup Switching	1.2 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock .9RTC BASE 1338-31DVGI8 Renesas Electronics 1: Rp59.257,58 27In Stock 5.000Expected 04/04/2028	Mfr. Part No. 1338-31DVGI8 Mouser Part No 972-1338-31DVGI8	Renesas Electronics	Real Time Clock .9RTC BASE	Datasheet	27In Stock 5.000Expected 04/04/2028	Cut Tape Rp59.257,58 Rp44.213,86 Rp40.361,20 Rp36.325,08 View Reel Rp31.555,12 Rp34.307,02 Rp33.573,18 Rp31.738,58 Rp31.555,12 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	MSOP-8	Backup Switching	1.3 V	3.7 V	- 40 C	+ 85 C	1338	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Trickle-Charge Timekeeping Chip DS1302S+T&R Analog Devices / Maxim Integrated 1: Rp61.459,10 1.803In Stock	Mfr. Part No. DS1302S+T&R Mouser Part No 700-DS1302ST&R	Analog Devices / Maxim Integrated	Real Time Clock Trickle-Charge Timekeeping Chip Learn More about Analog Devices / Maxim Integrated maxim ds1302 timekeeping chip	Datasheet	1.803In Stock	Cut Tape Rp61.459,10 Rp60.174,88 Rp58.890,66 Rp57.606,44 View Rp56.689,14 Rp55.955,30 Rp55.038,00 Rp54.304,16 MouseReel Available	Min.: 1 Mult.: 1	Serial 3-Wire	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-8	Backup Switching	2 V	5.5 V	0 C	+ 70 C	DS1302S	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Low-Current I C RTC with 56-Byte NV RAM DS1308U-33+T Analog Devices / Maxim Integrated 1: Rp118.331,70 1.732In Stock	Mfr. Part No. DS1308U-33+T Mouser Part No 700-DS1308U-33+T	Analog Devices / Maxim Integrated	Real Time Clock Low-Current I C RTC with 56-Byte NV RAM Learn More about Analog Devices / Maxim Integrated maxim ds1308	Datasheet	1.732In Stock	Cut Tape Rp118.331,70 Rp90.629,24 Rp83.841,22 Rp76.135,90 View Rp72.650,16 Rp70.448,64 Rp69.531,34 Rp68.614,04 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	3 V	5.5 V	- 40 C	+ 85 C	DS1308U	SMD/SMT	Reel, Cut Tape, MouseReel