SN74HCT374DBR

Flip Flops Overview

The SN74HCT374DBR is an octal D-type flip-flop from the Texas Instruments 74HCT series, housed in a 20-SSOP package. It features positive edge-triggered operation with three-state outputs. The device operates within a supply voltage range of 4.5 V to 5.5 V and supports a maximum clock frequency of 40 MHz. Key electrical parameters include a propagation delay of 32 ns at 5.5 V with 50 pF load, static current of 8 µA, and output drive capability of ±6 mA. It functions across an industrial temperature range of -40°C to +85°C.

Flip Flops Feature Summary

• Octal configuration providing eight independent D-type storage elements within a single integrated circuit
• Positive edge-triggered data capture synchronized with the clock signal input
• Three-state outputs enabling direct connection to bus systems without external buffers
• TTL-compatible inputs ensuring interoperability with standard logic families

Flip Flops Applications

• Parallel-to-serial data conversion circuits
• Shift register implementations for data transmission
• General-purpose memory storage modules
• Bus interface buffering applications

Flip Flops Procurement Notes

Verify the specific package marking and manufacturer date code against the official Texas Instruments datasheet to confirm authenticity. Ensure the component meets RoHS3 compliance requirements if applicable to your manufacturing standards. Cross-reference the ordering suffix 'BR' with the manufacturer's packaging specifications to confirm reel or cut tape availability. Validate that the supply voltage and temperature ratings align with your system design constraints before finalizing procurement.

Flip Flops Selection Notes

Select this component when an octal storage solution with TTL-compatible inputs is required. The HCT logic family ensures compatibility with older TTL systems while offering CMOS noise immunity. Consider the 20-SSOP package dimensions for PCB layout constraints. Verify that the 40 MHz maximum clock frequency meets the timing requirements of your application. Compare against other variants like the SOIC package if surface area differs significantly.

Flip Flops Part Context

This part belongs to the widely adopted 74HCT logic family, designed to bridge the gap between legacy TTL logic levels and modern CMOS technology. The SN74HCT374 specifically provides high-density storage capabilities in a compact surface-mount form factor. It is commonly used in embedded systems requiring reliable data latching and bus isolation. The device represents a standard solution for digital logic design involving parallel data handling.

Flip Flops Replacement Considerations

SN74HCT374DWR (SOIC-20 package variant)

Flip Flops FAQ

What is the trigger type for the SN74HCT374DBR?

The device uses positive edge triggering for data capture.

Does the SN74HCT374DBR have active clear functionality?

No, the SN74HCT374DBR does not include an active clear pin; it only features data inputs, clock, and enable controls.