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M4T28-BR12SH - Real-time clock and TIMEKEEPER SNAPHAT battery

Download the M4T28-BR12SH datasheet PDF. This datasheet also covers the M4T32-BR12SH variant, as both devices belong to the same real-time clock and timekeeper snaphat battery family and are provided as variant models within a single manufacturer datasheet.

Description

The M4Txx-BR12SH SNAPHAT® top is a detachable lithium power source for ST’s serial real-time clock and non-volatile TIMEKEEPER® surface-mount SOIC package (28- and 44-pin).

Features

  • Provides battery backup power for serial realtime clock, non-volatile.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (M4T32-BR12SH_STMicroelectronics.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by STMicroelectronics

Part Number Description

Full PDF Text Transcription

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M4T28-BR12SH M4T32-BR12SH Real-time clock and TIMEKEEPER® SNAPHAT® battery with crystal Datasheet - production data SNAPHAT® battery with crystal Description The M4Txx-BR12SH SNAPHAT® top is a detachable lithium power source for ST’s serial real-time clock and non-volatile TIMEKEEPER® surface-mount SOIC package (28- and 44-pin). The SNAPHAT top contains both the battery and crystal and is designed to be “snapped on” after the SOIC is surface mounted on the PC board. Thus the two-piece solution prevents the battery and crystal from being exposed to the high temperatures of the surface-mount process.
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