M48T129Y M48T129V
5.0 or 3.3 V, 1 Mbit (128 Kbit 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 century, year, month, day, date, t(shours, minutes, and seconds c■ Battery low warning flag du■ Automatic power-fail chip deselec...
