M41ST87W - 5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor

STMicroelectronics

Datasheet Details

Part number	M41ST87W
Manufacturer	STMicroelectronics ↗
File Size	731.18 KB
Description	5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor
Datasheet	M41ST87W_STMicroelectronics.pdf

5.0, 3.3, or 3.0 V operation 400 kHz I2C bus NVRAM supervisor to non-volatize external LPSRAM 2.5 to 5.5 V oscillator operating voltage Automatic switchover and deselect circuitry Choice of power-fail deselect voltages.
M41ST87Y: THS = 1: VPFD≈ 4.63 V; VCC = 4.75 to 5.5 V THS = 0: VPFD≈ 4.37 V; VCC = 4.5 to 5.5 V.
M41ST87W: THS = 1: VPFD ≈ 2.9 V; VCC = 3.0 to 3.6 V THS = 0: VPFD ≈ 2.63 V; VCC = 2.7 to 3.6 V Two independent power-fail compara.

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Published: Dec 9, 2010 |