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	Grade	Qualification	Package / Case	Supplier Device Package

RV-8263-C7-32.768KHZ-20PPM-TA-QC IC RTC CLK/CALENDAR I2C 8SON Micro Crystal AG	13,384 In Stock	1 : ¥13.86000 Cut Tape (CT) 1,000 : ¥6.81015 Tape & Reel (TR)	C7	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, Programmable Clock Output, RAM, Timer	1B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	0.9V ~ 5.5V	-	0.24µA @ 3V	-40°C ~ 85°C (TA)	Surface Mount	-	-	8-WCDFN	8-SON (3.2x1.5)
RV-3032-C7-32.768KHZ-2.5PPM-TA-QC IC RTC TEMPERAT CLK/CAL I2C 8SON Micro Crystal AG	9,599 In Stock	1 : ¥34.97000 Cut Tape (CT) 1,000 : ¥18.49258 Tape & Reel (TR)	C7	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Not Verified	Clock/Calendar	Alarm, Battery Switch, Clock Output Hz-MHz, Event Input, Temperature Alarm, Timer, Trickle Charge with Charge Pump	16B, 32B	HH:MM:SS:100th (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.3V ~ 5.5V	-	210nA @ 3V	-40°C ~ 105°C (TA)	Surface Mount	-	-	8-WCDFN	8-SON (3.2x1.5)
RV-3032-C7-32.768KHZ-2.5PPM-TA-QA IC RTC TEMPERAT CLK/CAL I2C 8SON Micro Crystal AG	9,142 In Stock	1 : ¥38.09000 Cut Tape (CT) 1,000 : ¥19.42128 Tape & Reel (TR)	C7	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Not Verified	Clock/Calendar	Alarm, Battery Switch, Clock Output Hz-MHz, Event Input, Temperature Alarm, Timer, Trickle Charge with Charge Pump	16B, 32B	HH:MM:SS:100th (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.3V ~ 5.5V	-	210nA @ 3V	-40°C ~ 105°C (TA)	Surface Mount	Automotive	AEC-Q200	8-WCDFN	8-SON (3.2x1.5)

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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.