M48T18 - 64 Kbit 8Kb x 8 TIMEKEEPER SRAM
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5 2 Operation modes .
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8 2.1 READ mode .
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M48T18 Features
* Integrated ultra low power SRAM, real-time clock, power-fail control circuit, and battery
* 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
* Automatic power-fail chip desele
