Part DS1397
Description RAMified Real Time Clock
Manufacturer Dallas Semiconductor
Size 173.35 KB
Dallas Semiconductor

DS1397 Overview

Key Features

  • Ideal for EISA bus PCs
  • Functionally compatible mode with MC146818 in 32 KHz
  • Totally nonvolatile with over 10 years of operation in the absence of power
  • Self-contained
  • Binary or BCD representations of time, calendar, and
  • 12- or 24-hour clock with AM and PM in 12-hour mode
  • Daylight Savings Time option
  • Programmable square wave output signal
  • Bus-compatible interrupt signals (IRQ)
  • 28-pin JEDEC footprint