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M48T201V - 3.3V-5V TIMEKEEPER CONTROLLER

General Description

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Key Features

  • Converts low power SRAM into NVRAMs.
  • Year 2000 compliant.
  • Battery low flag.
  • Integrated real time clock, power-fail control circuit, battery and crystal.
  • Watchdog timer.
  • Choice of write protect voltages (VPFD = power-fail deselect voltage):.
  • M48T201Y: VCC = 4.5 to 5.5 V 4.1V ≤ VPFD ≤ 4.5 V.
  • M48T201V: VCC = 3.0 to 3.6 V 2.7 V ≤ VPFD ≤ 3.0 V.
  • Microprocessor power-on reset (valid even during battery backup mode).
  • Programmable alarm output ac.

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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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M48T201Y M48T201V 5.0 or 3.3 V TIMEKEEPER® supervisor Features ■ Converts low power SRAM into NVRAMs ■ Year 2000 compliant ■ Battery low flag ■ Integrated real time clock, power-fail control circuit, battery and crystal ■ Watchdog timer ■ Choice of write protect voltages (VPFD = power-fail deselect voltage): – M48T201Y: VCC = 4.5 to 5.5 V 4.1V ≤ VPFD ≤ 4.5 V – M48T201V: VCC = 3.0 to 3.6 V 2.7 V ≤ VPFD ≤ 3.