DS1211N

Controllers Overview

The DS1211N is a nonvolatile controller designed to convert CMOS RAMs into nonvolatile memories. It operates within a supply voltage range of 4.75 V to 5.5 V and consumes less than 100 nA of battery current. The device supports an industrial temperature range from -40°C to +85°C and is housed in a 20-pin DIP package.

Controllers Feature Summary

• Converts full CMOS RAMs into nonvolatile memories
• Unconditionally write protects when VCC is out of tolerance
• Automatically switches to battery when power-fail occurs
• 3 to 8 decoder provides control for up to eight CMOS RAMs

Controllers Applications

• Converting CMOS RAMs into nonvolatile memories
• Providing uninterrupted power to RAMs during power failure
• Controlling up to eight CMOS memories with lithium batteries

Controllers Procurement Notes

Verify the specific ordering suffix 'N' against official documentation to confirm the industrial temperature range (-40°C to +85°C) and package type (PDIP-20). Ensure compatibility with existing system designs requiring low battery consumption and precise voltage detection capabilities.

Controllers Selection Notes

Select this component for applications requiring conversion of CMOS RAMs to nonvolatile memory with minimal battery drain. Consider the industrial temperature range and 20-pin DIP package for suitable environmental conditions and board layout requirements.

Controllers Part Context

The DS1211 series includes variants like DS1211+ and DS1211S, differing in package types such as PDIP and SOIC. The DS1211N specifically denotes the industrial temperature range variant in a 20-pin DIP package, aligning with broader family features while maintaining unique electrical specifications.

Controllers Replacement Considerations

Check for direct substitutes within the DS1211 family or similar nonvolatile controllers. Verify pinout compatibility and electrical specifications before considering alternatives.

Controllers FAQ

What is the primary function of the DS1211N?

It converts CMOS RAMs into nonvolatile memories by monitoring incoming power and switching to battery backup during power failures.

How many CMOS RAMs can the DS1211N control?

The 3 to 8 decoder allows control for up to eight CMOS RAMs.