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 PT7C43390LEX

IC RTC CLK/CALENDAR I2C TSSOP

0.73

Diodes Incorporated PT7C4372ALE

IC RTC CLK/CALENDAR I2C TSSOP

0.72

Diodes Incorporated PT7C4563LE

IC RTC CAL I2C/2-WIRE SER 8TSSOP

0.7

Diodes Incorporated PT7C4311ZEEX

IC RTC CAL I2C/2-WIRE SER 8TDFN

0.68

Diodes Incorporated PT7C433833UEX

IC RTC CLK/CALENDAR I2C MSOP

0.68

Diodes Incorporated PT7C4563UE

IC RTC CAL I2C/2-WIRE SER 8MSOP

0.67

ABLIC U.S.A. Inc. S-35190A-T8T1G

IC RTC CLK/CALENDAR SER 8-TSSOP

0.61

ABLIC U.S.A. Inc. S-35190A-J8T1G

IC RTC CLK/CALENDAR SER 8-SOP

0.61