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Nisshinbo Micro Devices 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.	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	Packaging
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 ¥413.6 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: ¥287.4 2,000In Stock	Mfr. Part # R2051S02-E2-F Mouser Part # 848-R2051S02E2F	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	2,000In Stock	Cut Tape ¥287.4 ¥209.3 ¥191 ¥176.1 Reel ¥138.2 View ¥138.7 ¥137.4 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 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 ¥133.2 View ¥136.5 ¥133.2 ¥117.3 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 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 ¥133.2 View ¥150 ¥144.2 ¥133.9 ¥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 Serial Interface RV5C348B-E2-F Nisshinbo 1: ¥272.4 1,675In Stock	Mfr. Part # RV5C348B-E2-F Mouser Part # 848-RV5C348B-E2-F	Nisshinbo	Real Time Clock 4-wire Serial Interface	Datasheet	1,675In Stock	Cut Tape ¥272.4 ¥199.3 ¥181 ¥159.6 Reel ¥133.2 View ¥150 ¥144.2 ¥133.9 ¥130.2 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 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 ¥122.9 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: ¥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 ¥116.1 ¥136.5 ¥131.2 ¥116.3 ¥116.1 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: ¥272.4 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 ¥272.4 ¥201 ¥181 ¥160.8 Reel ¥125.1 View ¥152.5 ¥145.3 ¥128.6 ¥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 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 RV5C387A-E2-F Nisshinbo 1: ¥272.4 6,891In Stock	Mfr. Part # RV5C387A-E2-F Mouser Part # 848-RV5C387A-E2-F	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	6,891In Stock	Cut Tape ¥272.4 ¥199.3 ¥181 ¥172.7 Reel ¥146 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-10	No Backup Switching	2 V	5.5 V	- 40 C	+ 85 C	RV5C387	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Hi Prec I2C-Bus Real Time Clock Mod R2025S-E2-FE Nisshinbo 1: ¥744.1 2,447In Stock	Mfr. Part # R2025S-E2-FE Mouser Part # 848-R2025S-E2-FE	Nisshinbo	Real Time Clock Hi Prec I2C-Bus Real Time Clock Mod Learn More about Nisshinbo ricoh r2025 i2c bus rtc module	Datasheet	2,447In Stock	Cut Tape ¥744.1 ¥563.1 ¥518.2 ¥468.4 Reel ¥421.9 View ¥443.5 ¥438.5 ¥402 ¥385.4 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	1.7 V	5.5 V	- 40 C	+ 85 C	R2025S/D	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 4-Wire Real Time Clock IC R2043T-E2-F Nisshinbo 1: ¥250.8 2,316In Stock	Mfr. Part # R2043T-E2-F Mouser Part # 848-R2043TE2F	Nisshinbo	Real Time Clock 4-Wire Real Time Clock IC	Datasheet	2,316In 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 R2051S01-E2-F Nisshinbo 1: ¥295.7 2,120In Stock 2,000Expected 10/6/2026	Mfr. Part # R2051S01-E2-F Mouser Part # 848-R2051S01E2F	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	2,120In Stock 2,000Expected 10/6/2026	Cut Tape ¥295.7 ¥217.6 ¥197.7 ¥174.4 Reel ¥147 View ¥163.1 ¥156.8 ¥154 ¥143.7 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 2-Wire Real Time Clock IC R2221T-E2-F Nisshinbo 1: ¥275.7 2,303In Stock	Mfr. Part # R2221T-E2-F Mouser Part # 848-R2221TE2F	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	2,303In 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 2-Wire Real Time Clock IC RS5C372B-E2-F Nisshinbo 1: ¥272.4 1,984Expected 11/20/2026	Mfr. Part # RS5C372B-E2-F Mouser Part # 848-RS5C372B-E2-F	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	1,984Expected 11/20/2026	Cut Tape ¥272.4 ¥199.3 ¥181 ¥159.6 Reel ¥131.2 View ¥150 ¥144.2 ¥131.7 ¥130.2 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SSOP-8	Backup Switching	2 V	6 V	- 40 C	+ 85 C	RS5C372	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 2-Wire Real Time Clock IC RS5C372A-E2-F Nisshinbo 1: ¥274.1 4,000On Order	Mfr. Part # RS5C372A-E2-F Mouser Part # 848-RS5C372AE2F	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC Learn More about Nisshinbo ricoh rtcs	Datasheet	4,000On Order On Order Ship Dates Mfr. #: RS5C372A-E2-F Stock: 0 On Order: 2,000 Expected 11/20/2026 2,000 Expected 1/5/2027 Factory Lead-Time: 15 Weeks	Cut Tape ¥274.1 ¥201 ¥181 ¥159.6 Reel ¥137.2 View ¥150 ¥144.2 ¥143.8 ¥135.5 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-8	Backup Switching	1.7 V	6 V	- 40 C	+ 85 C	RS5C372	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION RV5C338A-E2-F Nisshinbo 1: ¥272.4 2,000Expected 11/5/2026	Mfr. Part # RV5C338A-E2-F Mouser Part # 848-RV5C338A-E2-F	Nisshinbo	Real Time Clock 3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION	Datasheet	2,000Expected 11/5/2026	Cut Tape ¥272.4 ¥199.3 ¥181 ¥171.1 Reel ¥131.2 View ¥131.7 ¥130.2	Min.: 1 Mult.: 1 : 2,000				SSOP-10						RV5C338A		Reel, Cut Tape
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 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 High precision I2C-Bus Real-Time Clock Module R2051S03-E2-F Nisshinbo 2,000: ¥138 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # R2051S03-E2-F Mouser Part # 848-R2051S03-E2-F	Nisshinbo	Real Time Clock High precision I2C-Bus Real-Time Clock Module	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel ¥138 ¥137.4	Min.: 2,000 Mult.: 2,000 : 2,000				SSOP-16						R2051S		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 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 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 interface Real-Time Clock ICs with Battery Backup switch-over Function R2062L02-E2 Nisshinbo 3,000: ¥121.8 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # R2062L02-E2 Mouser Part # 848-R2062L02-E2	Nisshinbo	Real Time Clock 3 wire interface Real-Time Clock ICs with Battery Backup switch-over Function		Non-Stocked Lead-Time 12 Weeks	Reel ¥121.8	Min.: 3,000 Mult.: 3,000 : 3,000				QFN023023-16						R2062L		Reel

NJU6350
R2023L
R2023T
R2025S/D
R2033T
R2043L
R2043T
R2045S/D
R2051L
R2051S
R2051T
R2061L
R2061S
R2062L
R2221L
R2221T
R2223L
R2223T
R2262L
RS5C372