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Interface IC's Real Time Clock

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) 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 I²C BUS Serial Interface RTC with High-precision Oscillation Adjustment BU9873FJ-GTE2 ROHM Semiconductor 1: ¥182.7 2,410In Stock End of Life	Mfr. Part # BU9873FJ-GTE2 Mouser Part # 755-BU9873FJ-GTE2 End of Life	ROHM Semiconductor	Real Time Clock I²C BUS Serial Interface RTC with High-precision Oscillation Adjustment	Datasheet	2,410In Stock	Cut Tape ¥182.7 ¥131.2 ¥118.1 ¥103.8 View ¥97.2 ¥93 ¥90 ¥85.9 ¥83.7	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOP-J-8	No Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT		Reel, Cut Tape
Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in WLCSP12 package. NXP Semiconductors PCF85263AUKZ PCF85263AUKZ NXP Semiconductors 1: ¥227.6 18,576In Stock End of Life	Mfr. Part # PCF85263AUKZ Mouser Part # 771-PCF85263AUKZ End of Life	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in WLCSP12 package.	Datasheet	18,576In Stock	Cut Tape ¥227.6 ¥163.8 ¥148.3 ¥131.1 View ¥122.7 ¥117.8 ¥112.6 ¥109.5 ¥104.3 ¥104.3	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	WLCSP-12	Backup Switching	900 mV	5.5 V	- 40 C	+ 85 C	PCF85263A	SMD/SMT		Reel, Cut Tape
Real Time Clock I²C BUS Serial Interface RTC with High-precision Oscillation Adjustment BU9873FVM-GTTR ROHM Semiconductor 1: ¥182.7 151In Stock End of Life	Mfr. Part # BU9873FVM-GTTR Mouser Part # 755-BU9873FVM-GTTR End of Life	ROHM Semiconductor	Real Time Clock I²C BUS Serial Interface RTC with High-precision Oscillation Adjustment	Datasheet	151In Stock	Cut Tape ¥182.7 ¥131.2 ¥118.1 ¥105.8 View ¥104.5 ¥102.8 ¥98.8 ¥96.3	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	MSOP-8	No Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT		Reel, Cut Tape
Real Time Clock I2C-BUS INTERFACE RTC 5+/-23PPM (VSOJ-20) 1K TR Q41856471000100 Epson Timing 1: ¥812.2 12In Stock End of Life	Mfr. Part # Q41856471000100 Mouser Part # 732-Q41856471000100 End of Life	Epson Timing	Real Time Clock I2C-BUS INTERFACE RTC 5+/-23PPM (VSOJ-20) 1K TR	Datasheet	12In Stock	Cut Tape ¥812.2 ¥612.9 ¥563.1 ¥508.3 ¥501.6 ¥425.2 MouseReel Available	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		No Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock 3-Wire Real Time Clock IC R2033T-E2-F Nisshinbo 1: ¥247.5 1,989In Stock	Mfr. Part # R2033T-E2-F Mouser Part # 848-R2033TE2F	Nisshinbo	Real Time Clock 3-Wire Real Time Clock IC	Datasheet	1,989In Stock	Cut Tape ¥247.5 ¥181 ¥163.9 ¥145.5 View Reel ¥115.3 ¥136.5 ¥131.2 ¥116.3 ¥115.3 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 4-Wire Real Time Clock IC RV5C348A-E2-F Nisshinbo 1: ¥272.4 1,720In Stock	Mfr. Part # RV5C348A-E2-F Mouser Part # 848-RV5C348AE2F	Nisshinbo	Real Time Clock 4-Wire Real Time Clock IC	Datasheet	1,720In Stock	Cut Tape ¥272.4 ¥199.3 ¥181 ¥159.6 Reel ¥132.4 View ¥150 ¥144.2 ¥132.5 ¥126.9 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 4-wire Real Time Clock Module R2045S-E2-FE Nisshinbo 1: ¥784 3,638In Stock	Mfr. Part # R2045S-E2-FE Mouser Part # 848-R2045S-E2-FE	Nisshinbo	Real Time Clock 4-wire Real Time Clock Module	Datasheet	3,638In Stock	Cut Tape ¥784 ¥593 ¥544.8 ¥491.7 Reel ¥420.2 View ¥466.7 ¥435.2 ¥415.3 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 R2023T-E2-F Nisshinbo 1: ¥247.5 5,003In Stock	Mfr. Part # R2023T-E2-F Mouser Part # 848-R2023TE2F	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	5,003In Stock	Cut Tape ¥247.5 ¥181 ¥163.9 ¥145.5 Reel ¥113.3 View ¥136.5 ¥131.2 ¥118.1 ¥112.9 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 2-Wire Real Time Clock IC R2051L02-E2 Nisshinbo 1: ¥267.4 3,620In Stock	Mfr. Part # R2051L02-E2 Mouser Part # 848-R2051L02-E2	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	3,620In Stock	Cut Tape ¥267.4 ¥196 ¥177.7 ¥156.8 Reel ¥123.4 View ¥147.3 ¥141.5 ¥128.4 ¥122.4 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 2-Wire Real Time Clock IC R2223T-E2-F Nisshinbo 1: ¥270.7 1,680In Stock	Mfr. Part # R2223T-E2-F Mouser Part # 848-R2223TE2F	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC		1,680In Stock	Cut Tape ¥270.7 ¥199.3 ¥181 ¥160.8 Reel ¥123.2 View ¥152.5 ¥145.3 ¥123.4 ¥122.6 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 4-Wire Real Time Clock IC R2043T-E2-F Nisshinbo 1: ¥250.8 2,176In Stock	Mfr. Part # R2043T-E2-F Mouser Part # 848-R2043TE2F	Nisshinbo	Real Time Clock 4-Wire Real Time Clock IC	Datasheet	2,176In Stock	Cut Tape ¥250.8 ¥182.7 ¥163.9 ¥145.5 Reel ¥123.1 View ¥136.5 ¥131.2 ¥129.7 ¥120.4 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	Serial 4-Wire, SPI	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	R2043T	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock 2-Wire Real Time Clock IC R2223L-E2 Nisshinbo 1: ¥274.1 5,351In Stock	Mfr. Part # R2223L-E2 Mouser Part # 848-R2223L-E2	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC		5,351In Stock	Cut Tape ¥274.1 ¥201 ¥181 ¥159.6 Reel ¥133.2 View ¥150 ¥144.2 ¥142.3 ¥130.2 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Serial 2-Wire, I2C	BCD	BCD	QFN1818-12	No Backup Switching	1.5 V	5.5 V	- 40 C	+ 85 C	R2223L	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock 2-Wire Real Time Clock IC R2221T-E2-F Nisshinbo 1: ¥275.7 2,268In Stock	Mfr. Part # R2221T-E2-F Mouser Part # 848-R2221TE2F	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	2,268In Stock	Cut Tape ¥275.7 ¥202.6 ¥182.7 ¥162.1 Reel ¥136.4 View ¥152.3 ¥146.3 ¥143.5 ¥133.2 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	R2221T	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock ULTRA LO PWR CLK/CAL RTC IC PCF8563T/F4,118 NXP Semiconductors 1: ¥287.4 107In Stock	Mfr. Part # PCF8563T/F4,118 Mouser Part # 771-PCF8563TD-T	NXP Semiconductors	Real Time Clock ULTRA LO PWR CLK/CAL RTC IC	Datasheet	107In Stock	Cut Tape ¥287.4 ¥210.9 ¥191 ¥171.1 ¥144.5 View ¥161 ¥154.8 ¥154 ¥141.4 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 3-Wire Real Time Clock IC R2061S02-E2-F Nisshinbo 2,000: ¥145 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # R2061S02-E2-F Mouser Part # 848-R2061S02E2F	Nisshinbo	Real Time Clock 3-Wire Real Time Clock IC	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel ¥145 ¥137.4	Min.: 2,000 Mult.: 2,000 : 2,000	Serial 3-Wire	BCD	BCD	SSOP-16	Backup Switching	750 mV	5.5 V	- 40 C	+ 85 C	R2061S	SMD/SMT		Reel
Real Time Clock 3-Wire Real Time Clock IC R2062L01-E2 Nisshinbo 3,000: ¥121.8 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # R2062L01-E2 Mouser Part # 848-R2062L01-E2	Nisshinbo	Real Time Clock 3-Wire Real Time Clock IC		Non-Stocked Lead-Time 12 Weeks	Reel ¥121.8	Min.: 3,000 Mult.: 3,000 : 3,000	Serial 3-Wire	BCD	BCD	QFN023023-16	Backup Switching	750 mV	5.5 V	- 40 C	+ 85 C	R2062L	SMD/SMT		Reel
Real Time Clock 3-Wire Real Time Clock IC R2061L01-E2 Nisshinbo 3,000: ¥126.1 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # R2061L01-E2 Mouser Part # 848-R2061L01-E2	Nisshinbo	Real Time Clock 3-Wire Real Time Clock IC Learn More about Nisshinbo ricoh rtcs	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel ¥126.1 ¥123.6	Min.: 3,000 Mult.: 3,000 : 3,000	Serial 3-Wire	BCD	BCD	QFN023023-16	Backup Switching	750 mV	5.5 V	- 40 C	+ 85 C	R2061L	SMD/SMT		Reel
Real Time Clock 2-Wire Real Time Clock IC R2051L01-E2 Nisshinbo 3,000: ¥128.9 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # R2051L01-E2 Mouser Part # 848-R2051L01-E2	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel ¥128.9 ¥127.9	Min.: 3,000 Mult.: 3,000 : 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
Real Time Clock 2-Wire Real Time Clock IC R2051T01-E2-F Nisshinbo 2,000: ¥128.9 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # R2051T01-E2-F Mouser Part # 848-R2051T01E2F	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel ¥128.9 ¥127.9	Min.: 2,000 Mult.: 2,000 : 2,000	Serial 2-Wire, I2C	BCD	BCD	TSSOP-10	Backup Switching	750 mV	5.5 V	- 40 C	+ 85 C	R2051T	SMD/SMT		Reel
Real Time Clock 2-Wire Real Time Clock IC RV5C386A-E2-F Nisshinbo 2,000: ¥131.2 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # RV5C386A-E2-F Mouser Part # 848-RV5C386AE2F	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel ¥131.2 ¥130.2	Min.: 2,000 Mult.: 2,000 : 2,000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SSOP-10	No Backup Switching	2 V	5.5 V	- 40 C	+ 85 C	RV5C386	SMD/SMT		Reel
Real Time Clock 4-Wire Real Time Clock IC R2043L-E2 Nisshinbo 3,000: ¥117.3 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # R2043L-E2 Mouser Part # 848-R2043L-E2	Nisshinbo	Real Time Clock 4-Wire Real Time Clock IC	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel ¥117.3	Min.: 3,000 Mult.: 3,000 : 3,000	Serial 4-Wire, SPI	BCD	BCD	QFN023023-16	No Backup Switching	1.7 V	5.5 V	- 40 C	+ 85 C	R2043L	SMD/SMT		Reel
Real Time Clock 2-Wire Real Time Clock IC R2262L01-E2 Nisshinbo 3,000: ¥124.4 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # R2262L01-E2 Mouser Part # 848-R2262L01-E2	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel ¥124.4 ¥121.9	Min.: 3,000 Mult.: 3,000 : 3,000	Serial 3-Wire	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	QFN0202-18	Backup Switching	600 mV	5.5 V	- 40 C	+ 85 C	R2262L	SMD/SMT		Reel
Real Time Clock 2-Wire Real Time Clock IC R2023L-E2 Nisshinbo 3,000: ¥117.3 Non-Stocked	Mfr. Part # R2023L-E2 Mouser Part # 848-R2023L-E2	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	Non-Stocked	Reel ¥117.3	Min.: 3,000 Mult.: 3,000 : 3,000	Serial 2-Wire, I2C	BCD	BCD	QFN023023-16	No Backup Switching	1.7 V	5.5 V	- 40 C	+ 85 C	R2023L	SMD/SMT		Reel
Real Time Clock 2-Wire Real Time Clock IC R2221L-E2 Nisshinbo 3,000: ¥131.2 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # R2221L-E2 Mouser Part # 848-R2221L-E2	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel ¥131.2 ¥130.2	Min.: 3,000 Mult.: 3,000 : 3,000	Serial 2-Wire, I2C	BCD	BCD	QFN1818-12	No Backup Switching	1.5 V	5.5 V	- 40 C	+ 85 C	R2221L	SMD/SMT		Reel
Real Time Clock CMOS RTC/CALENDAR RTC IC PCA8565TS/1,118 NXP Semiconductors 1: ¥431.9 3In Stock End of Life	Mfr. Part # PCA8565TS/1,118 Mouser Part # 771-PCA8565TS-T End of Life	NXP Semiconductors	Real Time Clock CMOS RTC/CALENDAR RTC IC	Datasheet	3In Stock	Cut Tape ¥431.9 ¥320.6 ¥292.3 ¥260.8 ¥225.9 View ¥247.5 ¥237.5 ¥229.2 ¥219.3 MouseReel Available	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	TSSOP-8	No Backup Switching	1.8 V	5.5 V	- 40 C	+ 125 C	PCA8565	SMD/SMT	AEC-Q100	Reel, Cut Tape, MouseReel