SN74HC684NG4

Comparators Overview

The SN74HC684NG4 is an 8-bit magnitude comparator from the Texas Instruments 74HC series, housed in a 20-PDIP package. It operates on a supply voltage of 2V to 6V with output currents of 5.2mA high and low. The device features low-active outputs indicating A=B and A>B conditions. Maximum propagation delay is 47ns at 6V with 50pF load. Operating temperature ranges from -40°C to 85°C.

Comparators Feature Summary

• Provides 8-bit magnitude comparison capabilities
• Generates low-active logic outputs for equality and greater-than conditions
• Compatible with standard CMOS logic families

Comparators Applications

• Digital data processing systems requiring magnitude evaluation
• Address decoding circuits
• Control logic for arithmetic operations

Comparators Procurement Notes

Verify component status as this specific part number may be discontinued or superseded by newer revisions such as the SN74HC684N. Confirm availability through authorized distributors and ensure the selected substitute matches the original electrical specifications and pinout configuration for seamless integration.

Comparators Selection Notes

Select this component for applications requiring 8-bit comparison within the HC logic family. Ensure the design accommodates the specified 2V to 6V supply range and 5.2mA drive capability. Verify that the 20-PDIP package fits the board layout constraints and thermal requirements of the target environment.

Comparators Part Context

This component belongs to the SN74HC684 family of 8-bit magnitude comparators manufactured by Texas Instruments. It is part of the broader 74HC series of high-speed CMOS logic devices, designed for general-purpose digital applications requiring reliable comparison functions in industrial and consumer electronics.

Comparators Replacement Considerations

The SN74HC684N is listed as a manufacturer-recommended alternative. Verify compatibility regarding package type and electrical characteristics before substitution.