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M48T37V

Part Number	M48T37V
Manufacturer	STMicroelectronics
Description	256 Kbit (32 Kbit x 8) TIMEKEEPER SRAM
Published	Feb 3, 2015
Detailed Description	M48T37Y M48T37V 5.0 or 3.3 V, 256 Kbit (32 Kbit x 8) TIMEKEEPER® SRAM Features ■ Integrated ultra low power SRAM, real-...
Datasheet	M48T37V PDF File

Overview

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.
0 V ■ Packaging includes a 44-lead SOIC and SNAPHAT® top (to be ordered separately) ■ SOIC package provides direct connection for a SNAPHAT® top which contains the battery and crystal ■ Microprocessor power-on reset (valid even ...

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