DS1211
Nonvolatile Controller X 8 Chip
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Part Details
- Controller circuitry with monitoring and logic functions to make CMOS RAM nonvolatile
- Controls up to 8 memories
- Monitors Vcc and write-protects when out of tolerance
- Consumes less than 100nA battery current
- Tests battery condition on power-up
- Supports redundant batteries
- Thermal operating ranges:
- DS1211: 0°C to +70°C
- DS1211-IND: -40° to +85°C
- Voltage/tolerances: 5V ±5% or ±10%
The DS1211 Nonvolatile Controller x8 Chip performs five circuit functions required to render standard CMOS RAM nonvolatile:
By combining the DS1211 nonvolatile controller/decoder chip and lithium batteries, nonvolatile RAM operation can be achieved for up to eight CMOS memories.
Documentation
This is the most up-to-date revision of the Data Sheet.
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