M48T129V - 1Mbit (128 Kbit x 8) TIMEKEEPER SRAM
M48T129V Features
* Integrated, ultra low power SRAM, real-time clock, power-fail control circuit, battery, and crystal )
* BCD coded century, year, month, day, date, t(shours, minutes, and seconds c
* Battery low warning flag du
* Automatic power-fail chip deselect and WRITE roprotection P
* Two W