DS1213C Datasheet (Dallas Semiconducotr)

DS1213C, SmartSocket 256k

* Conditioned Chip Enable * Switched VCC VCC GND * Ground All pins pass through except 20 and 28.

CE DESCRIPTION The DS1213C SmartSocket is a 28-pin, 600 mil DIP socket with a built-in CMOS controller circuit and an embedded lithium energy source.

It accepts a 32K x 8 JEDEC

DS1213C Features

* Accepts standard 32K 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 the proper RAM selection Proven gas-tight socket contacts Operating temperature range 0°C to 70°C PIN ASSIGNMENT 1 2 3 4