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SMD/SMT Real Time Clock

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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.	RTC Bus Interface	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 32.768kHz I2C 20ppm 2.0x1.2x0.6 AEC-Q200 RV-3028-C8-32.768kHz-1PPM-TA-QA Micro Crystal 1: Rp55.588 806In Stock 1.000Expected 12/10/2026 New Product	Mfr. Part No. RV-3028-C8-32.768kHz-1PPM-TA-QA Mouser Part No 428-RV3028C81PPMTAQA New Product	Micro Crystal	Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.6 AEC-Q200 Learn More about Micro Crystal rv 3028 c8 rtc modules	Datasheet	806In Stock 1.000Expected 12/10/2026	Cut Tape Rp55.588 Rp41.462 Rp37.793 Rp33.940 Reel Rp32.289 View Rp32.289 Rp29.904 Rp29.537 MouseReel Available	Min.: 1 Mult.: 1 : 1.000	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SON-8	Backup Switching	1.1 V	5.5 V	- 40 C	+ 85 C	RV-3028-C8	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock RTC IC with 400 kHz I2C interface featuring 64 byte SRAM in HXSON10 package. PCF85363ATL/AX NXP Semiconductors 1: Rp24.400 82.204In Stock	Mfr. Part No. PCF85363ATL/AX Mouser Part No 771-PCF85363ATL/AX	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface featuring 64 byte SRAM in HXSON10 package.	Datasheet	82.204In Stock	Cut Tape Rp24.400 Rp19.263 Rp17.832 Rp16.383 View Reel Rp13.851 Rp15.704 Rp15.282 Rp15.099 Rp14.713 Rp13.851 MouseReel Available	Min.: 1 Mult.: 1 : 4.000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	DFN2626-10	Backup Switching	900 mV	5.5 V	- 40 C	+ 85 C	PCF85363A	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock 64K (8Kx8) 100ns M48T08Y-10MH1F STMicroelectronics 1: Rp754.571 967In Stock	Mfr. Part No. M48T08Y-10MH1F Mouser Part No 511-M48T08Y-10MH1F	STMicroelectronics	Real Time Clock 64K (8Kx8) 100ns	Datasheet	967In Stock	Cut Tape Rp754.571 Rp610.922 Rp574.964 Rp551.114 View Reel Rp484.701 Rp516.623 Rp498.094 Rp484.701 Quote MouseReel Available	Min.: 1 Mult.: 1 : 936	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOX-28	Backup Switching	4.5 V	5.5 V	0 C	+ 70 C	M48T08Y	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64 MCP79412-I/MS Microchip Technology 1: Rp21.648 3.729In Stock	Mfr. Part No. MCP79412-I/MS Mouser Part No 579-MCP79412IMS	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64 Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	3.729In Stock	Rp21.648 Rp21.465 Rp19.814 Rp18.713	Min.: 1 Mult.: 1	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		Tube
Real Time Clock I2C GP RTCC 64B SRAM ID MCP79400-I/MS Microchip Technology 1: Rp18.346 5.400In Stock	Mfr. Part No. MCP79400-I/MS Mouser Part No 579-MCP79400IMS	Microchip Technology	Real Time Clock I2C GP RTCC 64B SRAM ID Learn More about Microchip Technology microchip mcp7940n calendar	Datasheet	5.400In Stock	Rp18.346 Rp16.878	Min.: 1 Mult.: 1	Serial 2-Wire, 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		Tube
Real Time Clock 2Kb EE 64B SRAM WD TED EUI-64 MCP795W22-I/ST Microchip Technology 1: Rp36.325 5.140In Stock	Mfr. Part No. MCP795W22-I/ST Mouser Part No 579-MCP795W22-I/ST	Microchip Technology	Real Time Clock 2Kb EE 64B SRAM WD TED EUI-64 Learn More about Microchip Technology microchip mcp795xx	Datasheet	5.140In Stock	Rp36.325 Rp33.757 Rp31.922	Min.: 1 Mult.: 1	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-14	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT		Tube
Real Time Clock 4-wire Real Time Clock Module R2045S-E2-FE Nisshinbo 1: Rp86.593 3.638In Stock	Mfr. Part No. R2045S-E2-FE Mouser Part No 848-R2045S-E2-FE	Nisshinbo	Real Time Clock 4-wire Real Time Clock Module	Datasheet	3.638In Stock	Cut Tape Rp86.593 Rp65.495 Rp60.175 Rp54.304 Reel Rp46.415 View Rp51.552 Rp48.067 Rp45.682 MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Serial 4-Wire	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)		No Backup Switching	1.7 V	5.5 V	- 40 C	+ 85 C	R2045S/D	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock 2-Wire Real Time Clock IC R2051S02-E2-F Nisshinbo 1: Rp31.739 2.000In Stock	Mfr. Part No. R2051S02-E2-F Mouser Part No 848-R2051S02E2F	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	2.000In Stock	Cut Tape Rp31.739 Rp23.116 Rp21.098 Rp19.447 Reel Rp15.264 View Rp15.319 Rp15.172 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SSOP-16	Backup Switching	750 mV	5.5 V	- 40 C	+ 85 C	R2051S	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 64B SRAM EUI-48 MCP79401-I/SN Microchip Technology 1: Rp19.080 13.560In Stock	Mfr. Part No. MCP79401-I/SN Mouser Part No 579-MCP79401ISN	Microchip Technology	Real Time Clock I2C GP RTCC 64B SRAM EUI-48 Learn More about Microchip Technology microchip mcp7940n calendar	Datasheet	13.560In Stock	Rp19.080 Rp17.612 Rp16.695	Min.: 1 Mult.: 1	Serial 2-Wire, 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 I2C GP RTCC 1Kb EE 64B SRAM EUI-64 MCP79412-I/ST Microchip Technology 1: Rp21.648 4.615In Stock	Mfr. Part No. MCP79412-I/ST Mouser Part No 579-MCP79412IST	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64 Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	4.615In Stock	Rp21.648 Rp19.814 Rp18.896	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-8	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT		Tube
Real Time Clock Real Time Clock, automotive grade AEC-Q200 RV-3029-C3-TB-QA-Opt. B Micro Crystal 1: Rp83.658 705In Stock	Mfr. Part No. RV-3029-C3-TB-QA-Opt. B Mouser Part No 428-RV3029C3TBQAOPTB	Micro Crystal	Real Time Clock Real Time Clock, automotive grade AEC-Q200	Datasheet	705In Stock	Cut Tape Rp83.658 Rp63.110 Rp57.973 Rp52.286 Rp51.736 Reel Rp43.663 MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Serial 2-Wire, I2C	YY-MM-DD	HH:MM:SS:hh (12 hr, 24 hr)	SON-10	Backup Switching	1.3 V	5.5 V	- 40 C	+ 125 C	RV-3029-C3	SMD/SMT	AEC-Q200	Reel, Cut Tape, MouseReel
Real Time Clock I C RTC with 56-Byte NV RAM DS1338Z-33+ Analog Devices / Maxim Integrated 1: Rp121.817 23.929In Stock	Mfr. Part No. DS1338Z-33+ Mouser Part No 700-DS1338Z-33	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with 56-Byte NV RAM	Datasheet	23.929In Stock	Rp121.817 Rp93.381 Rp86.226 Rp78.337 View Rp74.485 Rp72.283 Rp71.549 Rp70.632	Min.: 1 Mult.: 1 Max.: 19.143	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-8	Backup Switching	3 V	5.5 V	- 40 C	+ 85 C	DS1338Z	SMD/SMT		Tube
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1744WP-120IND+ Analog Devices / Maxim Integrated 1: Rp1.247.528 627In Stock	Mfr. Part No. DS1744WP-120IND+ Mouser Part No 700-DS1744WP-120IND	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	627In Stock	Rp1.247.528 Rp1.030.495 Rp976.191 Rp964.082 Quote Quote	Min.: 1 Mult.: 1 Max.: 501	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	DS1744WP	SMD/SMT		Tray
Real Time Clock Extremely Accurate SPI Bus RTC with Inte DS3234SN# Analog Devices / Maxim Integrated 1: Rp324.357 19.291In Stock	Mfr. Part No. DS3234SN# Mouser Part No 700-DS3234SN#	Analog Devices / Maxim Integrated	Real Time Clock Extremely Accurate SPI Bus RTC with Inte	Datasheet	19.291In Stock	Rp324.357 Rp257.027 Rp240.333 Rp221.620 View Rp211.346 Rp207.677 Quote	Min.: 1 Mult.: 1 Max.: 15.432	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SO-20	Backup Switching	2 V	5.5 V	- 40 C	+ 85 C	DS3234SN	SMD/SMT		Tube
Real Time Clock I C RTC with Trickle Charger DS1340C-3# Analog Devices / Maxim Integrated 1: Rp219.051 13.268In Stock	Mfr. Part No. DS1340C-3# Mouser Part No 700-DS1340C-3#-	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with Trickle Charger Learn More about Analog Devices / Maxim Integrated maximds1343	Datasheet	13.268In Stock	Rp219.051 Rp171.535 Rp159.610 Rp146.401 View Rp145.117 Rp136.494 Rp133.375 Quote	Min.: 1 Mult.: 1 Max.: 10.614	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SO-16	Backup Switching	2.7 V	3.3 V	- 40 C	+ 85 C	DS1340C	SMD/SMT		Tube
Real Time Clock I C RTC with Trickle Charger DS1340Z-18+ Analog Devices / Maxim Integrated 1: Rp153.006 5.864In Stock	Mfr. Part No. DS1340Z-18+ Mouser Part No 700-DS1340Z-18	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with Trickle Charger Learn More about Analog Devices / Maxim Integrated maximds1343	Datasheet	5.864In Stock	Rp153.006 Rp117.965 Rp109.159 Rp88.244 View Rp84.575 Rp84.025 Rp81.823	Min.: 1 Mult.: 1 Max.: 4.691	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SO-8	Backup Switching	1.71 V	1.89 V	- 40 C	+ 85 C	DS1340Z	SMD/SMT		Tube
Real Time Clock Real Time Clock S-35190A-J8T1U ABLIC 1: Rp27.519 4.632In Stock	Mfr. Part No. S-35190A-J8T1U Mouser Part No 628-35190A-G	ABLIC	Real Time Clock Real Time Clock	Datasheet	4.632In Stock	Cut Tape Rp27.519 Rp21.832 Rp20.364 Rp18.713 View Reel Rp15.649 Rp17.869 Rp17.410 Rp17.264 Rp15.667 Rp15.649 MouseReel Available	Min.: 1 Mult.: 1 : 4.000	Serial 3-Wire	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOP-8	Backup Switching	1.3 V	5.5 V	- 40 C	+ 85 C	S-35190	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock Low-Pwr serial RTC W/ battry switchover M41T01M6F STMicroelectronics 1: Rp71.733 2.355In Stock	Mfr. Part No. M41T01M6F Mouser Part No 511-M41T01M6F	STMicroelectronics	Real Time Clock Low-Pwr serial RTC W/ battry switchover Learn More about STMicroelectronics stm standard products	Datasheet	2.355In Stock	Cut Tape Rp71.733 Rp54.121 Rp49.718 Rp44.948 Reel Rp36.509 View Rp42.563 Rp42.012 Rp40.361 Rp35.958 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-8	Backup Switching	2 V	5.5 V	- 40 C	+ 85 C	M41T01	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock Serial 160 (20x8) M41T80M6F STMicroelectronics 1: Rp105.490 1.840In Stock	Mfr. Part No. M41T80M6F Mouser Part No 511-M41T80M6F	STMicroelectronics	Real Time Clock Serial 160 (20x8)	Datasheet	1.840In Stock	Cut Tape Rp105.490 Rp81.640 Rp74.852 Rp68.247 View Reel Rp61.092 Rp64.578 Rp62.560 Rp61.643 Rp61.092 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2.500	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-8	No Backup Switching	2 V	5.5 V	- 40 C	+ 85 C	M41T80	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock Serial SPI bus RTC M41T93ZQA6F STMicroelectronics 1: Rp141.264 1.029In Stock	Mfr. Part No. M41T93ZQA6F Mouser Part No 511-M41T93ZQA6F	STMicroelectronics	Real Time Clock Serial SPI bus RTC	Datasheet	1.029In Stock	Cut Tape Rp141.264 Rp112.461 Rp100.903 Rp92.097 Reel Rp80.172 View Rp86.960 Rp86.777 Rp79.622 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Serial	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)		Backup Switching	2.38 V	5.5 V	- 40 C	+ 85 C	M41T93	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 MCP79411-I/SN Microchip Technology 1: Rp20.364 12.171In 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	12.171In Stock	Rp20.364 Rp19.263 Rp18.346	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: Rp27.336 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 Rp27.336 Rp19.997 Rp18.108 Rp16.071 Reel Rp14.713 View Rp15.080 Rp14.713 Rp12.952 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 LW PWR RTC W/RESEAL 8LD ISL12008IB8Z Renesas / Intersil 1: Rp59.258 4.210In Stock	Mfr. Part No. ISL12008IB8Z Mouser Part No 968-ISL12008IB8Z	Renesas / Intersil	Real Time Clock LW PWR RTC W/RESEAL 8LD	Datasheet	4.210In Stock	Rp59.258 Rp44.214 Rp36.325 Rp33.757 View Rp32.289 Rp31.372 Rp30.087 Rp29.904	Min.: 1 Mult.: 1	Serial 2-Wire, 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	ISL12008	SMD/SMT		Tube
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1744P-70IND+ Analog Devices / Maxim Integrated 1: Rp1.191.022 912In Stock	Mfr. Part No. DS1744P-70IND+ Mouser Part No 700-DS1744P-70IND	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	912In Stock	Rp1.191.022 Rp983.713 Rp931.977 Rp920.235 Quote Quote	Min.: 1 Mult.: 1 Max.: 729	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	PowerCap Module-34	Backup Switching	4.5 V	5.5 V	- 40 C	+ 85 C	DS1744P	SMD/SMT		Tray
Real Time Clock Ultra-Low power 12C Real Time clock w/ p MAX31331EWC+T Analog Devices / Maxim Integrated 1: Rp42.012 9.454In Stock	Mfr. Part No. MAX31331EWC+T Mouser Part No 700-MAX31331EWC+T	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	9.454In Stock	Cut Tape Rp42.012 Rp34.674 Rp32.839 Rp32.656 Reel Rp28.069 Rp27.702 MouseReel Available	Min.: 1 Mult.: 1 Max.: 7.563 : 2.500	I2C	BCD	BCD	WLP-12	Backup Switching	1.1 V	5.5 V	- 40 C	+ 85 C		SMD/SMT		Reel, Cut Tape, MouseReel