Real Time Clocks

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	DigiKey Programmable	Type	Features	Memory Size	Time Format	Date Format	Interface	Voltage - Supply	Voltage - Supply, Battery	Current - Timekeeping (Max)	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package

RX8111CE B0 IC RTC CLK/CALENDAR I2C 10SMD EPSON	495 In Stock	1 : ¥14.20000 Cut Tape (CT) 1,000 : ¥7.22102 Tape & Reel (TR)	RX8111CE	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Not Verified	Clock/Calendar	Alarm	-	HH:MM:SS	YY-MM-DD	I2C	1.6V ~ 5.5V	-	3µA @ 3V	-40°C ~ 85°C (TA)	Surface Mount	10-SMD, No Lead	10-SMD
RX4111CE B3 IC RTC CLK/CALENDAR SPI 10SMD EPSON	0 In Stock Check Lead Time	250 : ¥23.01012 Tape & Reel (TR)	RX4111CE	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, RAM	-	HH:MM:SS	YY-MM-DD	SPI, 4-Wire Serial	1.6V ~ 5.5V	-	3µA @ 3V	-40°C ~ 85°C (TA)	Surface Mount	10-SMD, No Lead	10-SMD
RX4111CE AB IC RTC CLK/CALENDAR SPI 10SMD EPSON	0 In Stock Check Lead Time	100 : ¥29.42800 Bulk	RX4111CE	Bulk	Active	Not Verified	Clock/Calendar	Alarm, RAM	-	HH:MM:SS	YY-MM-DD	SPI, 4-Wire Serial	1.6V ~ 5.5V	-	3µA @ 3V	-40°C ~ 85°C (TA)	Surface Mount	10-SMD, No Lead	10-SMD

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Real Time Clocks

Real Time Clocks (RTCs) provide time and/or date information in almost any electronic device which needs to keep accurate time. The clock types are binary counter, clock/calendar/supervisor, elapsed time counter, phantom time chip, portable system controller, temperature recorder, time event recorder, and timer clock peripheral. They contain memory sizes ranging from 2 B to 2 MB and have interface options of I2C, Parallel, Serial, SPI, 1-Wire, 2-Wire, 3-Wire, and 4-Wire.