Datasheet Summary
19-6294; Rev 6/12
DS1210 Nonvolatile Controller Chip
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...