The document describes the features and characteristics of the M48T08 and M48T18 series products, including integrated ultra-low power SRAM, real-time clock, power-fail control circuit, and battery.
The M48T08/18/08Y TIMEKEEPER® RAM is an 8K x 8 non-volatile static RAM and real time clock available in CAPHAT™ or SOIC packages. It integrates a quartz crystal, lithium button cell battery, and silicon chip to provide highly integrated battery-backed-up memory.
| Memory Capacity | 8K x 8 |
|---|---|
| Operating Temperature | 0 to 70 °C |
| Package Types | 28-pin PCDIP, CAPHAT™ Package; 28-pin SOIC Package |
The typical clock accuracy is +1 minute per month at 25°C.
Yes, the CAPHAT™ package includes a self-contained lithium button cell and crystal.
Yes, it is pin and function compatible with SOH28 (MH) DS1643.