74F402PC

Overview

The Fairchild Semiconductor 74F402PC is a CRC Generator Circuit belonging to the F/FAST Series. It operates as a 1-Bit TTL logic device housed in a Plastic Dual-In-Line Package (PDIP) with 16 pins. The component supports six selectable polynomials for cyclic redundancy check generation. It functions within a standard voltage range and is designed for high-speed digital applications requiring error detection capabilities.

Feature Summary

• Generates Cyclic Redundancy Check codes using one of six selectable polynomials
• Utilizes F/FAST series technology for high-speed TTL performance
• Configured as a single-function 1-bit circuit

Applications

• Digital communication systems requiring error detection
• Data integrity verification circuits
• High-speed logic processing modules

Procurement Notes

Verify the specific package variant, as the 'PC' suffix typically denotes a plastic DIP-16 housing. Confirm RoHS compliance status, as older F/FAST series components may not meet current environmental standards. Ensure the supplier provides original manufacturer documentation to validate the part number against the official Fairchild datasheet specifications.

Selection Notes

Select this component when a dedicated hardware solution for CRC generation is required within a TTL-compatible system. The F/FAST series offers speed advantages over standard LS-TTL while maintaining compatibility. Consider the 16-pin DIP form factor for through-hole prototyping or legacy board designs where surface-mount options are unsuitable.

Part Context

This device is part of the broader 74F logic family, which bridges the performance gap between standard TTL and advanced Schottky technologies. The 74F402 specifically addresses the need for efficient error checking in data transmission paths without introducing significant propagation delay penalties associated with slower logic families.