STMicroelectronics M48T129Y
1Mbit (128 Kbit x 8) TIMEKEEPER SRAM
| Part No. | M48T129Y |
|---|---|
| Datasheet | M48T129Y Download |
| Manufacturer |  STMicroelectronics |
| Description | 1Mbit (128 Kbit x 8) TIMEKEEPER SRAM |
| Buy | Stock & Price |
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 WRITE protect voltages: te(VPFD = power-fail deselect voltage) le– M48T129Y: VCC = 4.5 to 5.5 V; 4.2 V ≤ VPFD ≤ 4.5 V so– M48T129V: VCC = 3.0 to 3.6 V; b2.7 V ≤ VPFD ≤ 3.0 V O● Conventional SRAM operation; unlimited -WRITE cycles t(s)● Software controlled clock calibration for high accuracy 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
