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DS1693 - (DS1689 / DS1693) 3-Volt/5-Volt Serialized Real-Time Clock

Download the DS1693 datasheet PDF. This datasheet also covers the DS1689 variant, as both devices belong to the same (ds1689 / ds1693) 3-volt/5-volt serialized real-time clock family and are provided as variant models within a single manufacturer datasheet.

General Description

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 -

Key Features

  • Incorporates industry standard DS1287 PC clock plus enhanced 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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (DS1689_DallasSemiconductor.pdf) that lists specifications for multiple related part numbers.

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 download datasheet DS1693 Datasheet

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Other Datasheets by Dallas Semiconductor

Part Number Description
DS1691 (DS1688 / DS1691) 3 Volt/5 Volt Serialized Real Time Clock
DS1608 EconoRAM Time Chip
DS1670 Portable System Controller
DS1672 Low Voltage Serial Timekeeping Chip
DS1673 Portable System Controller

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
www.DataSheet4U.com DS1689/DS1693 3-Volt/5-Volt Serialized Real-Time Clock with NV RAM Control www.maxim-ic.com FEATURES Incorporates industry standard DS1287 PC clock plus enhanced 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.