74HCT574PW-Q100,11

Overview

The Nexperia 74HCT574PW-Q100,11 is an octal D-type flip-flop with 3-state outputs, designed for automotive applications. It operates within a supply voltage range of 4.5 V to 5.5 V and supports a wide operating temperature range from -40 °C to +125 °C. The device features low power consumption and high noise immunity, complying with AEC-Q100 Grade 1 standards. It is housed in a TSSOP-20 package (SOT360) and includes clamp diodes on inputs for interface flexibility.

Feature Summary

• Automotive-grade qualification compliant with AEC-Q100 standards
• Octal D-type flip-flop architecture with 3-state output control
• High noise immunity and CMOS low power dissipation characteristics

Applications

• Automotive electronic systems requiring robust data storage
• Industrial control interfaces utilizing TTL-level logic
• General-purpose memory buffer applications in harsh environments

Procurement Notes

Verify the complete part number including the suffix ,11 to ensure correct packaging configuration. Confirm that the specific variant matches the required AEC-Q100 Grade 1 qualification for your target application environment. Cross-reference the datasheet for pinout compatibility before integration into existing designs.

Selection Notes

Select this component when an octal storage element with tri-state outputs is required for 5V logic systems. Ensure the design accommodates the specified 4.5V to 5.5V supply voltage constraints. Consider the TSSOP-20 package dimensions for PCB layout planning and verify thermal requirements for operation up to 125°C.

Part Context

This component belongs to the 74HCT series of high-speed CMOS logic devices manufactured by Nexperia. The HCT series ensures compatibility with standard TTL input levels while offering CMOS performance benefits. The Q100 designation indicates automotive qualification, distinguishing it from standard commercial grade variants within the same logical family.

Replacement Considerations

Direct substitutes include other 74HCT574 variants from Nexperia or compatible manufacturers such as STMicroelectronics or ON Semiconductor, provided they meet AEC-Q100 requirements. Verify pin-to-pin compatibility and electrical specifications before substitution.