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

DS1683S+ IC RTC ELAPSED CNT I2C 8SOIC Analog Devices Inc./Maxim Integrated	1,946 In Stock 15,400 Factory	1 : ¥53.22000 Tube	-	Tube	Active	Verified	Elapsed Time Counter	Alarm, EEPROM	16B	Binary	Binary	I2C, 2-Wire Serial	2.5V ~ 5.5V	-	-	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
MAX31343ETAY+ ACCURATE/ROBUST RTC WITH INTEGRA Analog Devices Inc./Maxim Integrated	1,087 In Stock 3,920 Factory	1 : ¥45.48000 Tray	-	Tray	Active	-	Clock/Calendar	Alarm, Leap Year, RAM, Square Wave Output, SRAM, Trickle Charger	64B	HH:MM:SS (24 hr)	YY-MM-DD-dd	I2C, Serial	1.6V ~ 5.5V	1.6V ~ 5.5V	1.2µA ~ 2µA @ 1.6V ~ 5.5V	-40°C ~ 85°C (TA)	Surface Mount	8-VFBGA, WLBGA	8-WLP (2.07x2.27)

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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.