CD74HCT574QM96Q1

Overview

The CD74HCT574QM96Q1 is an automotive-grade octal D-type flip-flop manufactured by Texas Instruments. It operates within a supply voltage range of 4.5 V to 5.5 V and features positive edge-triggered data storage with non-inverting outputs. The device utilizes HCT CMOS technology, ensuring compatibility with standard TTL logic levels while maintaining low power consumption. It is housed in a 20-pin SOIC package and supports surface-mount installation. Key electrical parameters include a maximum propagation delay of 35 ns at 4.5 V, a static current of 8 uA, and output drive capabilities of 32 mA for low-level and -6 mA for high-level states. It is qualified under AEC-Q100 standards for operation between -55°C and +125°C.

Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for reliable performance in vehicle environments
• Octal configuration providing eight independent D-type flip-flops for parallel data handling
• Positive edge-triggered operation ensures precise timing synchronization with clock signals
• High-speed CMOS technology enables fast switching speeds with minimal power dissipation

Applications

• Automotive electronic control units requiring robust data storage
• Industrial systems utilizing standard TTL logic interfaces
• Data acquisition modules needing parallel input buffering
• Communication equipment requiring high-speed signal latching

Procurement Notes

Verify the specific suffix QM96Q1 to confirm automotive grade classification and tape-and-reel packaging format. Ensure the procurement channel provides valid AEC-Q100 certification documentation. Cross-reference the manufacturer part number against official Texas Instruments databases to avoid counterfeit components. Confirm that the received units match the specified SOIC-20 package dimensions and pinout configuration before integration into production lines.

Selection Notes

Select this component when designing circuits that require automotive-grade reliability combined with standard HCT logic compatibility. It is suitable for applications demanding high-speed data latching with defined output drive strengths. Consider the 4.5 V to 5.5 V operating range to ensure proper functionality within the target system's power architecture. Evaluate the thermal performance requirements against the -55°C to +125°C operational temperature range for harsh environment suitability.

Part Context

This device belongs to the CD74HCT series of high-speed CMOS logic integrated circuits. It serves as a digital storage element within larger logic systems, often paired with decoders or multiplexers for addressable data management. The HCT series bridges the gap between older TTL designs and modern CMOS technologies, offering improved noise immunity and lower power consumption compared to legacy counterparts while maintaining pin-out compatibility.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.