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M48T129Y - 1Mbit (128 Kbit x 8) TIMEKEEPER SRAM

Key Features

  • Integrated, ultra low power SRAM, real-time clock, power-fail control circuit, battery, and crystal ).
  • BCD coded century, year, month, day, date, t(shours, minutes, and seconds c.
  • Battery low warning flag du.
  • Automatic power-fail chip deselect and WRITE roprotection P.
  • Two WRITE protect voltages: te(VPFD = power-fail deselect voltage) le.
  • M48T129Y: VCC = 4.5 to 5.5 V; 4.2 V ≤ VPFD ≤ 4.5 V so.
  • M48T129V: VCC = 3.0 to 3.6 V; b2.7 V ≤ VPFD ≤ 3.0 V O.
  • Conv.

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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.

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M48T129Y M48T129V 5.0 or 3.3 V, 1 Mbit (128 Kbit x 8) TIMEKEEPER® SRAM Not recommended for new design Features ■ Integrated, ultra low power SRAM, real-time clock, power-fail control circuit, battery, and crystal )■ BCD coded century, year, month, day, date, t(shours, minutes, and seconds c■ Battery low warning flag du■ Automatic power-fail chip deselect and WRITE roprotection P■ Two WRITE protect voltages: te(VPFD = power-fail deselect voltage) le– M48T129Y: VCC = 4.5 to 5.5 V; 4.2 V ≤ VPFD ≤ 4.5 V so– M48T129V: VCC = 3.0 to 3.6 V; b2.7 V ≤ VPFD ≤ 3.