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DS1243Y - 64K NV SRAM

Description

Active-Low Reset Input.

This pin has an internal pullup resistor connected to VCC.

Features

  • Real-Time Clock Keeps Track of Hundredths of Seconds, Seconds, Minutes, Hours, Days, Date of the Month, Months, and Years.
  • 8K x 8 NV SRAM Directly Replaces Volatile Static RAM or EEPROM.
  • Embedded Lithium Energy Cell Maintains Calendar Operation and Retains RAM Data.
  • Watch Function is Transparent to RAM Operation.
  • Automatic Leap Year Compensation Valid Up to 2100.
  • Lithium Energy Source is Electrically Disconnected to Retain Freshness Until Power is Applied for the F.

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Full PDF Text Transcription

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19-6076; Rev 11/11 DS1243Y 64K NV SRAM with Phantom Clock FEATURES  Real-Time Clock Keeps Track of Hundredths of Seconds, Seconds, Minutes, Hours, Days, Date of the Month, Months, and Years  8K x 8 NV SRAM Directly Replaces Volatile Static RAM or EEPROM  Embedded Lithium Energy Cell Maintains Calendar Operation and Retains RAM Data  Watch Function is Transparent to RAM Operation  Automatic Leap Year Compensation Valid Up to 2100  Lithium Energy Source is Electrically Disconnected to Retain Freshness Until Power is Applied for the First Time  Standard 28-Pin JEDEC Pinout  Full ±10% Operating Range  Accuracy is Better than ±1 Minute/Month at +25°C  Over 10 Years of Data Retention in the Absence of Power  Available in 120ns Access Time  Underwriters Laboratories (UL) Recognized
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