Departments
Integrated CircuitsNeed Help
Home >
Integrated Circuits >
Special Function >
Dallas
DS1210 Nonvolatile Controller Chip Datasheet
Photograph
Features
Control Circuitry to Make CMOS RAM Nonvolatile
Monitors Vcc and write-protects when out of tolerance
Consumes less than 100nA battery current
Tests battery condition on power-up
Supports redundant batteries
Pin Layout
Pin Description
| Pin Number | Description |
|---|---|
| 1 | Vcco - RAM Supply |
| 2 | Vbat1 - +Battery 1 |
| 3 | TOL - Power Supply Tolerance |
| 4 | GND - Ground |
| 5 | CE - Chip Enable Input |
| 6 | CEO - Chip Enable Output |
| 7 | Vbat2 - +Battery 2 |
| 8 | Vcci - +Supply |
Dimensional Drawing
Technical Data
