M48T35AY M48T35AV
256 Kbit (32Kb x8) TIMEKEEPER® SRAM
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INTEGRATED ULTRA LOW POWER SRAM, REAL TIME CLOCK, POWER-FAIL CONTROL CIRCUIT and BATTERY BYTEWIDE™ RAM-LIKE CLOCK ACCESS BCD CODED YEAR, MONTH, DAY, DATE, HOURS, MINUTES and SECONDS BATTERY LOW FLAG (BOK) FREQUENCY TEST OUTPUT for REAL TIME CLOCK AUTOMATIC POWER-FAIL CHIP DESELECT and WRITE PROTECTION ...
