SN74LV74AQDRQ1

Flip Flops Overview

The SN74LV74AQDRQ1 is an automotive-grade dual positive-edge-triggered D-type flip-flop from Texas Instruments. It operates within a supply voltage range of 2V to 5.5V and features LVC logic with CMOS inputs and LVTTL outputs. The device supports mixed-mode voltage operation and includes I_off circuits for partial power-down applications. It is housed in a 14-pin SOIC package, rated for temperatures from -40°C to +125°C, and holds AEC-Q100 qualification.

Flip Flops Feature Summary

• Supports mixed-mode voltage operation across all ports
• Includes I_off circuitry to prevent destructive currents during partial power-down
• Provides high ESD protection performance exceeding JESD 22 standards

Flip Flops Applications

• Programmable Logic Controllers (PLC)
• DCS and PAC analog input modules
• AV receivers
• Server power supplies
• Set-top boxes, DVRs, and streaming devices

Flip Flops Procurement Notes

Verify the specific suffix 'Q1' confirms AEC-Q100 automotive qualification status. Ensure the 'A' variant designation aligns with required temperature and electrical specifications. Confirm the 'DR' package code matches the target PCB footprint requirements. Cross-reference the manufacturer part number against official datasheets to validate current production status and compliance certifications before finalizing procurement.

Flip Flops Selection Notes

Select this component when automotive reliability and mixed-voltage compatibility are required. The wide 2V to 5.5V operating range allows flexibility in system design. The inclusion of I_off supports safe partial power-down scenarios. Verify that the LVTTL output levels meet the interface requirements of downstream components in the signal chain.

Flip Flops Part Context

This device belongs to the SN74LV74A-Q1 family of dual D-type flip-flops designed for automotive electronics. It shares functional similarities with other automotive-qualified logic ICs but is distinguished by its specific LVC technology and mixed-mode voltage capabilities. The Q1 suffix denotes automotive grade certification, differentiating it from standard commercial variants.

Flip Flops Replacement Considerations

SN74LV74A-Q1

Flip Flops FAQ

Does the SN74LV74AQDRQ1 support partial power-down?

Yes, the device includes I_off circuits that disable outputs to prevent destructive backflow currents during partial power-down conditions.

What is the maximum supply voltage for this flip-flop?

The device operates with a supply voltage ranging from 2V to 5.5V.