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

STMicroelectronics

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

M48T37Y 256 kbit (32 kbit x 8) timekeeper sram by STMicroelectronics - Datasheet Preview — Note: The manufacturer provides a single datasheet file (M48T37_STMicroelectronics.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number	M48T37Y
Manufacturer	STMicroelectronics
File Size	350.16 KB
Description	256 Kbit (32 Kbit x 8) TIMEKEEPER SRAM
Datasheet	M48T37Y Datasheet

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
M48T58Y	64 Kbit (8 Kb x 8) TIMEKEEPER SRAM
M48T59V	64 Kbit (8 Kb x 8) TIMEKEEPER SRAM
M48Z19	CMOS 8K x 8 ZEROPOWER SRAM
M48Z2M1V	16 Mbit (2 Mb x 8) ZEROPOWER SRAM
M48Z30Y	CMOS 32K x 8 ZEROPOWER 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.