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M41ST85W

Part Number	M41ST85W
Manufacturer	ST Microelectronics
Description	5.0 OR 3.0V / 512 bit 64 x 8 SERIAL RTC and NVRAM SUPERVISOR
Published	Apr 29, 2005
Detailed Description	M41ST85Y M41ST85W 5.0 OR 3.0V, 512 bit (64 x 8) SERIAL RTC and NVRAM SUPERVISOR FEATURES SUMMARY s 5.0 OR 3.0V OPERATING...
Datasheet	M41ST85W PDF File

Overview

M41ST85Y M41ST85W 5.
0 OR 3.
0V, 512 bit (64 x 8) SERIAL RTC and NVRAM SUPERVISOR FEATURES SUMMARY s 5.
0 OR 3.
0V OPERATING VOLTAGE s s SERIAL INTERFACE SUPPORTS I2C BUS (400 KHz) NVRAM SUPERVISOR FOR EXTERNAL LPSRAM OPTIMIZED FOR MINIMAL INTERCONNECT TO MCU 2.
5 TO 5.
5V OSCILLATOR OPERATING VOLTAGE AUTOMATIC SWITCH-OVER and DESELECT CIRCUITRY CHOICE OF POWER-FAIL DESELECT VOLTAGES – M41ST85Y: VCC = 4.
5 to 5.
5V; 4.
20V ≤ VPFD ≤ 4.
50V – M41ST85W: VCC = 2.
7 to 3.
6V; 2.
55V ≤ VPFD ≤ 2.
70V 1.
25V REFERENCE (for PFI/PFO) COUNTERS FOR TENTHS/HUNDREDTHS OF SECONDS, SECONDS, MINUTES, HOURS, DAY, DATE, MONTH, YEAR, and CENTURY 44 BYTES OF GENERAL PURPOSE RAM PROGRAMMABLE ALARM and INTERRUPT FUNCTION (VALI...

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