SN74AHCT74DBR

Flip Flops Overview

The SN74AHCT74DBR is a dual positive-edge-triggered D-type flip-flop manufactured by Texas Instruments. It belongs to the SN74AHCT series, utilizing CMOS logic with TTL-compatible inputs. The device features two independent circuits within a single SOIC-14 package. Key electrical parameters include a propagation delay of 8.8 ns, high-level output current of -8 mA, and low-level output current of 8 mA. It operates on a supply voltage range of 4.5 V to 5.5 V. The component supports surface-mount installation and functions within an operating temperature range of -55°C to +125°C.

Flip Flops Feature Summary

• Dual positive-edge-triggered D-type flip-flops with clear and preset functionality
• CMOS technology with TTL-compatible input levels for direct interface compatibility
• High-speed performance with specified propagation delay characteristics
• Wide operating temperature range suitable for demanding industrial environments

Flip Flops Applications

• Parallel-to-serial data conversion circuits
• Shift register implementations in digital systems
• Timing and synchronization control logic
• General-purpose storage elements in microprocessor interfaces

Flip Flops Procurement Notes

Verify that the specific part number matches the required SOIC-14 package and AHCT logic family specifications. Confirm compliance with RoHS directives and check for any specific automotive or military qualification requirements if applicable to your design. Ensure the supplier provides valid traceability documentation for the manufacturing lot. Cross-reference the datasheet revision date to ensure alignment with current design standards and pinout configurations before finalizing procurement orders.

Flip Flops Selection Notes

Select this component when TTL-compatible inputs are required alongside CMOS speed advantages. The SN74AHCT74DBR is appropriate for designs needing dual flip-flops in a compact surface-mount format. Consider the -55°C to +125°C temperature range for industrial applications. Evaluate the 8.8 ns propagation delay against system timing constraints. Compare against standard HC or HCT variants if cost or availability differs significantly while maintaining functional equivalence.

Flip Flops Part Context

This component is part of the broader SN74AHCT logic family from Texas Instruments, designed to bridge TTL and CMOS technologies. It shares architectural similarities with other devices in the 74-series but offers improved switching speeds compared to traditional HCT logic. The DBR suffix indicates a specific tape-and-reel packaging configuration for automated assembly processes, distinguishing it from tube-packaged equivalents like the DR variant.

Flip Flops Replacement Considerations

SN74AHCT74DR

Flip Flops FAQ

What is the input type compatibility of the SN74AHCT74DBR?

The device features TTL-compatible inputs despite being built on CMOS technology.

Does the SN74AHCT74DBR include preset and clear functions?

Yes, each of the two D-type flip-flops includes dedicated clear and preset inputs.