M48T512Y - 4 Mbit (512 Kbit x 8) TIMEKEEPER SRAM
M48T512Y Features
* Integrated ultra low power SRAM, real-time clock, power-fail control circuit, battery, and crystal )
* BCD coded year, month, day, date, hours, t(sminutes, and seconds c
* Automatic power-fail chip deselect and WRITE uprotection rod
* WRITE protect voltages: (VPFD = power-fail dese
