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M48T37Y - 256 Kbit (32 Kbit x 8) TIMEKEEPER SRAM

Download the M48T37Y datasheet PDF. This datasheet also covers the M48T37 variant, as both devices belong to the same 256 kbit (32 kbit x 8) timekeeper sram family and are provided as variant models within a single manufacturer datasheet.

Key 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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (M48T37_STMicroelectronics.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
M48T35 256 Kbit (32 Kb x 8) TIMEKEEPER SRAM ST Microelectronics
M48T35AV 256 Kbit (32 Kbit x 8) TIMEKEEPER SRAM ST Microelectronics
M48T35AY 256 Kbit 32Kb x8 TIMEKEEPER SRAM ST Microelectronics
M48T35Y 256 Kbit (32 Kb x 8) TIMEKEEPER SRAM ST Microelectronics
M48T02 16Kbit (2 Kb x 8) TIMEKEEPER SRAM ST Microelectronics

Other Datasheets by STMicroelectronics

Part Number Description
M48T37V 256 Kbit (32 Kbit x 8) TIMEKEEPER SRAM
M48T39Y 256Kb (32K x 8) TIMEKEEPER SRAM
M48T08Y 64 Kbit 8Kb x 8 TIMEKEEPER SRAM
M48T129V 1Mbit (128 Kbit x 8) TIMEKEEPER SRAM
M48T129Y 1Mbit (128 Kbit x 8) TIMEKEEPER SRAM

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.

View original datasheet text
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.