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.

---

ABLIC U.S.A. Inc. S-35190A-J8T1U

IC RTC CLK/CALENDAR SER 8SOP

0

Maxim Integrated DS1556-70IND+

IC RTC CLK/CALENDAR PAR 32-EDIP

39.48

Maxim Integrated DS1554-70IND+

IC RTC CLK/CALENDAR PAR 32-EDIP

29.24

Maxim Integrated DS17885S-3+

IC RTC CLK/CALENDAR PAR 24-SOIC

16.64

Maxim Integrated DS17285SN-5+

IC RTC CLK/CALENDAR PAR 24-SOIC

9.97

Maxim Integrated DS1685-3+

IC RTC CLK/CALENDAR PAR 24-DIP

7.04

Maxim Integrated DS1344E-3+

IC RTC CLK/CALENDAR SPI 20-TSSOP

5.32

Maxim Integrated DS1685Q-3+

IC RTC CLK/CALENDAR PAR 28-PLCC

6.76