DS1213B Datasheet (Dallas Semiconducotr)

DS1213B, SmartSocket 16k/64k

CE - Conditioned Chip Enable VCC GND - Switched VCC - Ground All pins pass through except 20, 26 and 28.

DESCRIPTION The DS1213B SmartSocket is a 28-pin, 600 mil DIP socket with a built-in CMOS controller circuit and an embedded lithium energy source.

It accepts either 24-pin 2K x 8 (lower-just

DS1213B Features

* Accepts standard 2K x 8 or 8K x 8 CMOS static RAMs Embedded lithium energy cell retains RAM data Self-contained circuitry safeguards data Data retention time is greater than 10 years with proper RAM selection IC socket permits upgrading from 2K x 8 to 8K RAM Proven gas-tight socket contacts Operatin