Maxim Integrated DS1210
Nonvolatile Controller
| Part No. | DS1210 |
|---|---|
| Datasheet | DS1210 Download |
| Manufacturer |  Maxim Integrated |
| Description | Nonvolatile Controller |
| Buy | Stock & Price |
FEATURES
● Converts CMOS RAMs into Nonvolatile Memories● Unconditionally Write Protects when VCC is Out-of-Tolerance
● Automatically Switches to Battery when Power-Fail Occurs
● Space-Saving 8-Pin PDIP or 16-Pin SO Packages
● Consumes <100nA of Battery Current
● Tests Battery Condition on Power up
● Provides for Redundant Batteries
● Optional 5% or 10% Power-Fail Detection
● Low Forward Voltage Drop on the VCC Switch
● Optional Industrial (N) Temperature Range of -40°C to +85°C PIN ASSIGNMENT VCCO 1 8 VCCI VBAT1 2 7 VBAT2 TOL 3 6 CEO GND 4 5 CE DS1210 8-pin PDIP (300 mils) NC VCCO NC VBAT1 NC TOL NC GND 1 2 3 4 5 6 7 8 16 NC 15 VCCI 14 NC 13 VBAT2 12 NC 11 CEO 10 NC 9 CE DS1210S 16-pin SO (300 mils) PIN
DESCRIPTION
VCCO - RAM Supply VBAT1 - + Battery 1 TOL - Power Supply Tolerance GND - Ground CE - Chip Enable Input CEO VBAT2 VCCI NC - Chip Enable Output - + Battery 2 - + Supply - No ConnectDESCRIPTION
The DS1210 Nonvolatile Controller Chip is a CMOS circuit which solves the application problem of converting CMOS RAM into nonvolatile memory.
