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Maxim > Solutions > Cellular Handsets

Real-Time Clocks (RTC)

DATA SHEETS
Display Title / Parts Key Advantages
QV  PDF Precision Silicon Oscillators with Enable or Autoenable
MAX7393, MAX7394

QV  PDF I²C Serial Real-Time Clock
DS1337, DS1337C

Industry's Smallest I²C RTC with Two Time-of-Day Alarms
QV  PDF I²C 32-Bit Binary Counter RTC
DS1672

Low-Voltage, Serial Timekeeping Chip Combines an Ultra-Low-Voltage Clock with Sophisticated Power-Monitoring Circuitry, Power-Fail Switches, and a Switch to Optional Trickle-Charging, Replacing Several Discrete Components with One Chip



Key Specifications:   Timekeeping & Real-Time Clocks
Part Number Functions Date/ Time Format (hh = sec/100) Interface Supply Voltage (V) Time- keeping Current (typ) (nA) CL, Load Capacitance (pF) Memory Type Number of Time of Day Alarms
DS1337   -  YY-MM-DD/ HH:MM:SS I2C 2
3
3.3
5
425 6 None 2
DS1672 
Elapsed Time Counter
Binary I2C 2
3
3.3
425 6 None 0
See All Timekeeping & Real-Time Clocks (85)


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