SN74HCS74QDRQ1

Flip Flops Overview

The SN74HCS74QDRQ1 is an automotive-grade dual D-type flip-flop manufactured by Texas Instruments. It belongs to the HCS logic series, utilizing CMOS technology with Schmitt-trigger inputs for noise immunity. The device operates within a supply voltage range of 2 V to 6 V and features a propagation delay of 7 ns. It supports a maximum clock frequency of 105 MHz and includes two independent circuits in a SOIC-14 surface-mount package. The component is qualified under AEC-Q100 standards, ensuring reliability for automotive applications across an operating temperature range of -40°C to +125°C.

Flip Flops Feature Summary

• Dual D-type flip-flops with Schmitt-trigger inputs for enhanced signal integrity
• Automotive qualification compliant with AEC-Q100 standards
• Wide operating voltage range from 2 V to 6 V
• High-speed performance with 105 MHz maximum clock frequency

Flip Flops Applications

• Automotive data acquisition systems
• Vehicle control unit memory storage
• Digital signal processing interfaces
• Automotive communication bus synchronization

Flip Flops Procurement Notes

Verify that the ordered part number matches SN74HCS74QDRQ1 exactly, including the QDRQ1 suffix which denotes automotive grade and SOIC-14 packaging. Confirm AEC-Q100 qualification status is required for your specific application environment. Check datasheet specifications for voltage levels and temperature ranges to ensure compatibility with your system design before finalizing procurement.

Flip Flops Selection Notes

Select this component when designing automotive electronics requiring robust digital storage with high noise immunity. The Schmitt-trigger inputs are suitable for noisy environments typical in vehicle networks. Ensure the 2 V to 6 V supply range aligns with your power architecture. Consider the SOIC-14 package size for PCB layout constraints and verify thermal requirements for operation up to +125°C.

Flip Flops Part Context

This device is part of Texas Instruments' SN74HCS family, designed specifically for automotive applications. The HCS series combines high-speed CMOS performance with Schmitt-trigger functionality. The SN74HCS74 variant provides dual D-type flip-flops, offering versatile data storage capabilities. The QDRQ1 designation indicates it meets strict automotive quality and reliability standards.

Flip Flops Replacement Considerations

Direct replacements must maintain automotive qualification (AEC-Q100) and identical pinout. Verify equivalent propagation delay and voltage range. Cross-reference with other SN74HCS74 variants if package differences are acceptable.