MM74C85N

Comparators Overview

The MM74C85N is a monolithic CMOS 4-bit magnitude comparator manufactured by Fairchild Semiconductor. It operates within a supply voltage range of 3 V to 15 V and features propagation delay times of 600 ns and 300 ns. The device is housed in a 16-pin PDIP package with through-hole mounting. It supports an operating temperature range from -55 °C to +125 °C, ensuring reliability in demanding environments.

Comparators Feature Summary

• Performs 4-bit magnitude comparison between two binary numbers
• CMOS technology provides wide supply voltage operation and low power consumption
• Compatible with standard 74 logic family pinouts for design flexibility

Comparators Applications

• Digital logic systems requiring numerical comparison
• Industrial control circuits
• Professional electronics equipment

Comparators Procurement Notes

Verify the manufacturer marking on the component body to confirm Fairchild Semiconductor origin. Ensure the package matches the specified 16-pin DIP configuration. Check for any suffixes that might indicate specific tape-and-reel packaging or extended temperature variants, as these affect handling and storage requirements.

Comparators Selection Notes

Select this component when a 4-bit magnitude comparison function is required in CMOS logic designs. It is suitable for applications needing compatibility with existing 74-series layouts while benefiting from CMOS electrical characteristics. Consider the 16-pin DIP package for prototyping or through-hole assembly processes.

Comparators Part Context

The MM74C85N belongs to the 74C series of CMOS logic integrated circuits. This series was designed to offer the functionality of standard TTL logic families but with the lower power consumption and wider voltage tolerance inherent to CMOS technology. It serves as a direct functional replacement for comparable 4-bit comparators in legacy digital designs.

Comparators Replacement Considerations

The MM74C85N is functionally compatible with other 4-bit magnitude comparators such as the SN74C85 or MC14C85. Verify pinout compatibility and electrical specifications before substituting to ensure system integrity.