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M48T37V - 256 Kbit (32 Kbit x 8) TIMEKEEPER SRAM

This page provides the datasheet information for the M48T37V, a member of the M48T37 256 Kbit (32 Kbit x 8) TIMEKEEPER SRAM family.

Datasheet Summary

Features

  • Integrated ultra low power SRAM, real-time clock, power-fail control circuit, and battery.
  • Frequency test output for real-time clock software calibration.
  • Automatic power-fail chip deselect and WRITE protection.
  • Watchdog timer.
  • WRITE protect voltage (VPFD = Power-fail deselect voltage):.
  • M48T37Y: VCC = 4.5 to 5.5 V 4.2 V ≤ VPFD ≤ 4.5 V.
  • M48T37V: VCC = 3.0 to 3.6 V 2.7 V ≤ VPFD ≤ 3.0 V.
  • Packaging includes a 44-lead SOIC and.

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Datasheet preview – M48T37V

Datasheet Details

Part number M48T37V
Manufacturer STMicroelectronics
File Size 350.16 KB
Description 256 Kbit (32 Kbit x 8) TIMEKEEPER SRAM
Datasheet download datasheet M48T37V Datasheet
Additional preview pages of the M48T37V datasheet.

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Full PDF Text Transcription

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M48T37Y M48T37V 5.0 or 3.3 V, 256 Kbit (32 Kbit x 8) TIMEKEEPER® SRAM Features ■ Integrated ultra low power SRAM, real-time clock, power-fail control circuit, and battery ■ Frequency test output for real-time clock software calibration ■ Automatic power-fail chip deselect and WRITE protection ■ Watchdog timer ■ WRITE protect voltage (VPFD = Power-fail deselect voltage): – M48T37Y: VCC = 4.5 to 5.5 V 4.2 V ≤ VPFD ≤ 4.5 V – M48T37V: VCC = 3.0 to 3.6 V 2.7 V ≤ VPFD ≤ 3.
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