SN74AHCT74QDRG4Q1

Flip Flops Overview

The SN74AHCT74QDRG4Q1 is an automotive-grade dual D-type flip-flop from Texas Instruments, featuring positive-edge triggering. It operates within a supply voltage range of 4.5 V to 5.5 V and supports TTL-compatible inputs with CMOS outputs. The device provides a propagation delay of 8.8 ns and output currents of ±8 mA. Packaged in a 14-SOIC surface-mount format, it is qualified under AEC-Q100 standards for operation between -40°C and +125°C.

Flip Flops Feature Summary

• Automotive qualification compliant with AEC-Q100 standards
• TTL-compatible input logic levels
• Dual positive-edge triggered D-type configuration

Flip Flops Applications

• Automotive electronic control units
• Data storage registers
• Shift registers
• Timing circuits

Flip Flops Procurement Notes

Verify the complete part number including the Q1 suffix to ensure AEC-Q100 automotive qualification. Confirm the G4 suffix indicates lead-free and RoHS-compliant construction. Ensure the DR package designation matches the required SOIC-14 footprint for PCB layout compatibility.

Flip Flops Selection Notes

Select this component when TTL-level interfacing is required at 5V logic levels within automotive environments. The AHCT series ensures compatibility with standard TTL inputs while maintaining CMOS noise immunity. Verify that the 8.8 ns propagation delay meets system timing requirements.

Flip Flops Part Context

This part belongs to the SN74AHCT74Q family of automotive logic devices. It integrates two independent D-type flip-flops with set and reset functions into a single compact package. The design supports high-speed data handling in demanding vehicle applications requiring strict reliability standards.

Flip Flops Replacement Considerations

SN74AHCT74QPWRG4Q1 (TSSOP-14 package variant)