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

DS1682S+T&R IC RTC ELAPSED CNT I2C 8SOIC Analog Devices Inc./Maxim Integrated	14,403 In Stock	1 : ¥53.86000 Cut Tape (CT) 2,500 : ¥29.42820 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Verified	Elapsed Time Counter	Alarm, EEPROM	10B	Binary	Binary	I2C, 2-Wire Serial	2.5V ~ 5.5V	-	4µA ~ 15µA @ 3V ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
PCA2131TF/Q900Y IC RTC W/XTAL AUTO HLSON16 NXP USA Inc.	2,143 In Stock	1 : ¥38.42000 Cut Tape (CT) 4,000 : ¥19.29957 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-

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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.