Description
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 deselect and WRITE roprotection P
* Two W
Applications
* uc
* 10 years of data retention and clock operation din the absence of power ro
* Self-contained battery and crystal in DIP Ppackage te
* Microprocessor power-on reset le(valid even during battery backup mode) so
* Programmable alarm output active in battery Obbackup mode
