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DS1693 Datasheet

(ds1689 / Ds1693) 3-volt/5-volt Serialized Real-time Clock

Manufacturer: Dallas Semiconductor

This datasheet includes multiple variants, all published together in a single manufacturer document.

Datasheet Details

Part number DS1693
Manufacturer Dallas Semiconductor
File Size 375.24 KB
Description (DS1689 / DS1693) 3-Volt/5-Volt Serialized Real-Time Clock
Datasheet DS1693 DS1689 Datasheet (PDF)

DS1693 Overview

X1 X2 RCLR AD0-AD7 PWR KS CS ALE WR RD VCCO IRQ ORDERING INFORMATION PART # DS1689S DS1689SN DS1693 DESCRIPTION RTC IC, 28-pin SOIC RTC IC, 28-pin SOIC IND RTC Module; 28-pin DIP SQW VCCI GND VBAT VBAUX PSEL CEI CEO - Crystal Input - Crystal Output - RAM Clear Input - Mux’ed Address/Data Bus - Power-on Interrupt Output (Open drain) - Kickstart Input - RTC Chip Select Input - RTC Address Strobe - RTC Write Data...

DS1693 Key Features

  • +3- or +5V operation
  • 64-bit silicon serial number
  • 64-bit customer specific ROM or additional serial number available
  • Power control circuitry supports system power-on from date/time alarm or key closure
  • Automatic battery backup and write protection to external SRAM
  • Crystal select bit allows RTC to operate with 6 pF or 12.5 pF crystal
  • 114 bytes user NV RAM
  • Auxiliary battery input
  • RAM clear input
  • Century register

DS1693 Distributor