M48T128Y
5.0 V, 1 Mbit (128 Kb x 8) TIMEKEEPER® SRAM
Not recommended for new design
Features
■ Integrated, ultra low power SRAM, real-time
clock, power-fail control circuit, battery, and
crystal
) ■ BCD coded year, month, day, date, hours, t(s minutes, and seconds c ■ Automatic power-fail chip deselect and WRITE u protection rod ■ WRITE protect voltage
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