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M48T39Y

Part Number	M48T39Y
Manufacturer	STMicroelectronics
Description	256Kb (32K x 8) TIMEKEEPER SRAM
Published	Oct 19, 2016
Detailed Description	M48T39Y 256 Kb (32K x8) TIMEKEEPER® SRAM PRELIMINARY DATA s INTEGRATED ULTRA LOW POWER SRAM, REAL TIME CLOCK, POWER-FA...
Datasheet	M48T39Y PDF File

Overview

M48T39Y 256 Kb (32K x8) TIMEKEEPER® SRAM PRELIMINARY DATA s INTEGRATED ULTRA LOW POWER SRAM, REAL TIME CLOCK, POWER-FAIL CONTROL CIRCUIT, BATTERY and CRYSTAL s BCD CODED YEAR, MONTH, DAY, DATE, HOURS, MINUTES and SECONDS s AUTOMATIC POWER-FAIL CHIP DESELECT and WRITE PROTECTION s WRITE PROTECT VOLTAGE (VPFD = Power-fail Deselect Voltage): – M48T39Y: 4.
20V ≤ VPFD ≤ 4.
50V s PROGRAMMABLE INTERRUPTS and SQUARE WAVE OUTPUT s WATCHDOG TIMER RESTARTS on OUT-OF-CONTROL PROCESSOR s CLOCK ACCURACY IS BETTER THAN ±1 MINUTE per MONTH at 25°C s 10 YEARS of DATA RETENTION and CLOCK OPERATION in the ABSENCE of POWER s SELF-CONTAINED BATTERY and CRYSTAL in DIP PACKAGE s PROGRAMMABLE ALARM OUTPUT ACTIVE in...

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