.hide-partial { max-height: none; } .show-more { display: none; }

Interface IC's Real Time Clock

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 49

Applied Filters:

Manufacturer

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

Time Keeping Current

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) 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 BUS Serial Interface RTC with High-precision Oscillation Adjustment BU9873FJ-GTE2 ROHM Semiconductor 1: $1.10 2,410In Stock End of Life	Mfr. Part No. BU9873FJ-GTE2 Mouser Part No 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 $1.10 $0.79 $0.711 $0.625 View $0.585 $0.56 $0.542 $0.517 $0.504	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: $1.37 18,576In Stock End of Life	Mfr. Part No. PCF85263AUKZ Mouser Part No 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 $1.37 $0.986 $0.893 $0.789 View $0.739 $0.709 $0.678 $0.659 $0.628 $0.628	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: $1.10 151In Stock End of Life	Mfr. Part No. BU9873FVM-GTTR Mouser Part No 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 $1.10 $0.79 $0.711 $0.637 View $0.629 $0.619 $0.595 $0.58	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: $4.89 12In Stock End of Life	Mfr. Part No. Q41856471000100 Mouser Part No 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 $4.89 $3.69 $3.39 $3.06 $3.02 $2.56 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: $1.49 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 $1.49 $1.09 $0.987 $0.876 View Reel $0.694 $0.822 $0.79 $0.70 $0.694 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: $1.64 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 $1.64 $1.20 $1.09 $0.961 Reel $0.797 View $0.903 $0.868 $0.798 $0.764 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: $4.72 3,632In 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	3,632In Stock	Cut Tape $4.72 $3.57 $3.28 $2.96 Reel $2.53 View $2.81 $2.62 $2.50 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: $1.49 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 $1.49 $1.09 $0.987 $0.876 Reel $0.682 View $0.822 $0.79 $0.711 $0.68 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: $1.61 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 $1.61 $1.18 $1.07 $0.944 Reel $0.743 View $0.887 $0.852 $0.773 $0.737 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: $1.63 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 $1.63 $1.20 $1.09 $0.968 Reel $0.742 View $0.918 $0.875 $0.743 $0.738 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: $1.51 2,176In Stock	Mfr. Part No. R2043T-E2-F Mouser Part No 848-R2043TE2F	Nisshinbo	Real Time Clock 4-Wire Real Time Clock IC	Datasheet	2,176In Stock	Cut Tape $1.51 $1.10 $0.987 $0.876 Reel $0.741 View $0.822 $0.79 $0.781 $0.725 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: $1.65 5,351In Stock	Mfr. Part No. R2223L-E2 Mouser Part No 848-R2223L-E2	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC		5,351In Stock	Cut Tape $1.65 $1.21 $1.09 $0.961 Reel $0.802 View $0.903 $0.868 $0.857 $0.784 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: $1.66 2,268In Stock	Mfr. Part No. R2221T-E2-F Mouser Part No 848-R2221TE2F	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	2,268In Stock	Cut Tape $1.66 $1.22 $1.10 $0.976 Reel $0.821 View $0.917 $0.881 $0.864 $0.802 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: $1.73 30In Stock	Mfr. Part No. PCF8563T/F4,118 Mouser Part No 771-PCF8563TD-T	NXP Semiconductors	Real Time Clock ULTRA LO PWR CLK/CAL RTC IC	Datasheet	30In Stock	Cut Tape $1.73 $1.27 $1.15 $1.03 $0.87 View $0.969 $0.932 $0.927 $0.851 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: $0.873 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. R2061S02-E2-F Mouser Part No 848-R2061S02E2F	Nisshinbo	Real Time Clock 3-Wire Real Time Clock IC	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $0.873 $0.827	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: $0.733 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. R2062L01-E2 Mouser Part No 848-R2062L01-E2	Nisshinbo	Real Time Clock 3-Wire Real Time Clock IC		Non-Stocked Lead-Time 12 Weeks	Reel $0.733	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: $0.759 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. R2061L01-E2 Mouser Part No 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 $0.759 $0.744	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: $0.776 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. R2051L01-E2 Mouser Part No 848-R2051L01-E2	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $0.776 $0.77	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: $0.776 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. R2051T01-E2-F Mouser Part No 848-R2051T01E2F	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $0.776 $0.77	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: $0.79 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. RV5C386A-E2-F Mouser Part No 848-RV5C386AE2F	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $0.79 $0.784	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: $0.706 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. R2043L-E2 Mouser Part No 848-R2043L-E2	Nisshinbo	Real Time Clock 4-Wire Real Time Clock IC	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $0.706	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: $0.749 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. R2262L01-E2 Mouser Part No 848-R2262L01-E2	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $0.749 $0.734	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: $0.706 Non-Stocked	Mfr. Part No. R2023L-E2 Mouser Part No 848-R2023L-E2	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	Non-Stocked	Reel $0.706	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: $0.79 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. R2221L-E2 Mouser Part No 848-R2221L-E2	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $0.79 $0.784	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