74VHCT374AM

Overview

The Fairchild Semiconductor 74VHCT374AM is an octal D-type flip-flop with 3-STATE outputs, part of the VHCT family. It utilizes advanced silicon gate CMOS technology to achieve high-speed operation comparable to Bipolar Schottky TTL while maintaining low power dissipation. The device features a maximum operating frequency of 75 MHz at nominal supply voltage and supports a load capacitance of 50 pF. It operates within a temperature range of -40°C to 85°C and is housed in a 20-pin TSSOP package.

Feature Summary

• Octal D-type flip-flop architecture with positive edge triggering
• High-speed CMOS technology for fast propagation delays
• Three-state output capability for bus-oriented systems
• Power-down protection on all inputs

Applications

• Bus-oriented memory implementations
• Clock buffering applications
• Cache memory circuits
• High-performance register designs

Procurement Notes

Verify the specific suffix against official documentation, as manufacturer integrations may alter nomenclature or availability. Confirm RoHS compliance status and moisture sensitivity level prior to procurement. Ensure the package variant matches the required PCB footprint specifications for the target design.

Selection Notes

Select this component when requiring high-speed data storage with bus-compatible three-state outputs. The VHCT series ensures TTL input compatibility while offering superior speed over standard HC logic. Evaluate thermal performance and power consumption requirements against the specified low-power dissipation characteristics.

Part Context

This component belongs to the VHCT logic family, designed to bridge the performance gap between standard CMOS and Bipolar Schottky TTL. It provides enhanced switching speeds while retaining the low power advantages of CMOS technology. The octal configuration allows for efficient handling of wide data buses in complex digital systems.

Replacement Considerations

Check for ON Semiconductor equivalents following Fairchild integration. Verify pinout compatibility and electrical parameter alignment before substitution.