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.

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Diodes Incorporated PT7C43190AWEX

IC RTC CALENDAR 3-WIRE SER 8SOIC

0.59

Diodes Incorporated PT7C4339UEX

IC RTC CAL I2C/2-WIRE SER 8MSOP

0.59

ABLIC U.S.A. Inc. S-35192A-I8T1U

IC RTC CLK/CALENDAR SER SNT-8A

0.58

Diodes Incorporated PT7C4363BWEX

IC RTC I2C SER 8SOIC T&R 2.5K

0.57

Diodes Incorporated PT7C4337AWEX

IC RTC CAL I2C/2-WIRE SER 8SOIC

0.57

Diodes Incorporated PT7C4363WEX

IC RTC CAL I2C/2-WIRE SER 8SOIC

0.56

Diodes Incorporated PT7C4337ZEEX

IC RTC CLK/CALENDAR I2C 8TDFN

0.55

Diodes Incorporated PT7C4337UEX

IC RTC CLK/CALENDAR I2C MSOP

0.53