CD74HCT374E

Overview

The CD74HCT374E is an octal D-type flip-flop manufactured by Texas Instruments, belonging to the 74HCT logic family. It features eight independent D-type flip-flops with tri-state outputs in a single package. The device operates within a supply voltage range of 4.5 V to 5.5 V and supports surface-mount or through-hole installation depending on the specific variant configuration. It is designed for high-speed digital applications requiring reliable data storage and transfer capabilities.

Feature Summary

• Octal architecture providing eight independent D-type flip-flops for parallel data handling
• Tri-state outputs allowing direct bus connection without external buffers
• CMOS technology ensuring low power consumption and high noise immunity
• Compatible with TTL logic levels for seamless integration with standard digital systems

Applications

• Parallel-to-serial data conversion circuits
• Register files in microprocessor-based systems
• Buffer memory interfaces for high-speed data transfer
• Digital signal processing input/output stages

Procurement Notes

Verify the exact suffix against the manufacturer's official datasheet to confirm pinout compatibility and electrical specifications. Ensure the selected variant matches the required operating temperature range and packaging type for your specific design constraints. Cross-reference the component marking with the latest production notices to avoid counterfeit risks.

Selection Notes

Select this component when designing systems that require multiple synchronized data storage elements with bus-compatible outputs. Consider the propagation delay characteristics relative to your system clock speed. Evaluate the package options available for your PCB layout requirements while maintaining signal integrity standards for high-frequency operation.

Part Context

This part belongs to the widely adopted 74HCT series of CMOS logic devices, offering performance comparable to LS-TTL but with lower power consumption. The octal flip-flop configuration is a standard building block in digital electronics, frequently used in conjunction with other 74-series components like registers, counters, and decoders for complex logic implementations.

Replacement Considerations

Direct substitutes include SN74HCT374 variants from Texas Instruments and equivalent octal D-type flip-flops from other manufacturers such as ON Semiconductor or NXP, provided they maintain compatible pinouts and electrical characteristics.