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M48T12 16Kbit (2 Kb x 8) TIMEKEEPER SRAM

M48T12 Description

M48T02 M48T12 5.0 V, 16 Kbit (2 Kb x 8) TIMEKEEPER® SRAM .

M48T12 Features

* Integrated, ultra low power SRAM, real-time clock, and power-fail control circuit
* BYTEWIDE™ RAM-like clock access
* BCD coded year, month, day, date, hours, minutes, and seconds
* Typical clock accuracy of ±1 minute a month, at 25 °C
* Software controlled clock calibration fo

M48T12 Applications

* Automatic power-fail chip deselect and WRITE protection
* WRITE protect voltages (VPFD = power-fail deselect voltage):
* M48T02: VCC = 4.75 to 5.5 V; 4.5 V ≤ VPFD ≤ 4.75 V
* M48T12: VCC = 4.5 to 5.5 V; 4.2 V ≤ VPFD ≤ 4.5 V
* Self-contained battery and crystal in the CAP

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16Kbit TIMEKEEPER SRAM ST Microelectronics
ST Microelectronics M48T12-like datasheet