N74F656AN,602

Specialty Logic Overview

The N74F656AN,602 is an octal buffer and line driver with parity generation and checking capabilities. It operates within a supply voltage range of 4.5 V to 5.5 V. The device features non-inverting logic with three-state outputs. It combines the functions of a standard octal buffer and a parity generator/checker into a single package. The component utilizes high impedance NPN base inputs to reduce input current requirements. It supports industrial temperature ranges from -40 °C to +85 °C.

Specialty Logic Feature Summary

• Combines octal buffer and parity generation/checking functions in one device
• Features high impedance NPN base inputs for reduced input current
• Provides three-state output capability with separate enable inputs
• Includes dedicated even and odd parity outputs

Specialty Logic Applications

• Memory address drivers
• Clock drivers
• Bus-oriented transmitter/receiver circuits

Specialty Logic Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm the package type and temperature rating. Ensure the procurement source provides valid traceability for the component. Confirm RoHS compliance status through the supplier's declaration. Check for any product change notices or end-of-life notifications associated with this part number before finalizing orders.

Specialty Logic Selection Notes

Select this component when system design requires both data buffering and parity error detection within a single integrated circuit. It is suitable for applications needing high output drive capability with light bus loading. Consider the separate sides for inputs and outputs if board layout simplification is a priority. Verify that the required operating temperature range matches the commercial or industrial variant specifications.

Specialty Logic Part Context

This component belongs to the 74F series of logic devices manufactured by NXP Semiconductors. It is functionally equivalent to combining a 74F244 octal buffer and a 74F280A parity generator/checker. The device is designed to improve PCB density by reducing the total part count required for complex bus systems. It represents a specialized solution for high-speed digital signal transmission with integrity monitoring.

Specialty Logic Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.