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M48T129Y 1Mbit (128 Kbit x 8) TIMEKEEPER SRAM

M48T129Y Description

M48T129Y M48T129V 5.0 or 3.3 V, 1 Mbit (128 Kbit x 8) TIMEKEEPER® SRAM Not recommended for new design .

M48T129Y 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

M48T129Y 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

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1Mbit 128 Kbit TIMEKEEPER SRAM STMicroelectronics
STMicroelectronics M48T129Y-like datasheet