74AHCT164PW-Q100J

Shift Registers Overview

The Nexperia 74AHCT164PW-Q100J is an 8-bit serial-in/parallel-out shift register within the AEC-Q100 Grade 1 qualified automotive logic family. It features two serial data inputs (DSA, DSB) and eight parallel outputs (Q0–Q7). Data shifts on LOW-to-HIGH clock transitions, with a master reset input clearing all outputs to LOW. The device operates at supply voltages from 2.0 V to 5.5 V, utilizing TTL-compatible input levels for the AHCT variant. It is housed in a TSSOP14 package (SOT402-1), specified for ambient temperatures between -40 °C and +125 °C.

Shift Registers Feature Summary

• Automotive qualification compliant with AEC-Q100 Grade 1 standards
• TTL-compatible input levels for direct interfacing with legacy logic
• Overvoltage tolerant inputs allowing operation in mixed-voltage environments
• Schmitt-trigger action on all inputs for improved noise immunity

Shift Registers Applications

• Automotive electronic systems requiring robust logic shifting
• Mixed voltage signal translation between 5V and lower voltage domains
• Serial-to-parallel data conversion in industrial control units

Shift Registers Procurement Notes

Verify the specific suffix 'J' against the manufacturer's current ordering guide to confirm tape-and-reel packaging specifications. Confirm that the TSSOP14 package designation matches the required footprint for your PCB layout. Ensure the design accounts for the recommended operating conditions regarding input transition rates to maintain signal integrity.

Shift Registers Selection Notes

Select this component when TTL-level compatibility is required alongside automotive reliability standards. The AHCT series provides balanced propagation delays suitable for general-purpose shifting applications. Consider the overvoltage tolerance if interfacing directly with 5V logic sources without additional level-shifting circuitry.

Shift Registers Part Context

This part belongs to the 74AHC/AHCT164-Q100 family of 8-bit shift registers. It shares functional architecture with the 74AHC164-Q100 but differs in input threshold characteristics, specifically adopting TTL levels instead of CMOS levels. The PW suffix indicates the TSSOP14 plastic thin shrink small outline package, distinct from SO14 or DHVQFN options available in the same family.

Shift Registers Replacement Considerations

Direct substitutes include the 74AHC164PW-Q100J for CMOS-level input requirements in the same package. For non-automotive contexts, standard 74AHCT164 variants may be considered if AEC-Q100 qualification is not mandatory.