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M48T212V - 3.3V TIMEKEEPER supervisor

General Description

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Key Features

  • Integrated real-time clock, power-fail control circuit, battery and crystal ).
  • Converts low power SRAM into NVRAMs t(s.
  • Year 2000 compliant (4-digit year) c.
  • Battery low flag du.
  • Microprocessor power-on reset ro.
  • Programmable alarm output active in the P )battery backed-up mode te t(s.
  • Watchdog timer ole uc.
  • Automatic power-fail chip deselect and WRITE s dprotection b ro.
  • WRITE protect voltage O P(VPFD = Power-fail deselect voltage): ) - te.
  • M48T21.

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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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M48T212V 3.3V TIMEKEEPER® supervisor Features ■ Integrated real-time clock, power-fail control circuit, battery and crystal )■ Converts low power SRAM into NVRAMs t(s■ Year 2000 compliant (4-digit year) c■ Battery low flag du■ Microprocessor power-on reset ro■ Programmable alarm output active in the P )battery backed-up mode te t(s■ Watchdog timer ole uc■ Automatic power-fail chip deselect and WRITE s dprotection b ro■ WRITE protect voltage O P(VPFD = Power-fail deselect voltage): ) - te– M48T212V: VCC = 3.0 to 3.6V t(s le2.7V ≤ VPFD ≤ 3.