CD74AC174BQBR

Overview

The CD74AC174BQBR is a hex D-type flip-flop manufactured by Texas Instruments, belonging to the 74AC logic family. It features six independent D-type flip-flops with positive-edge triggering and an asynchronous clear input. The device operates within a supply voltage range of 1.5 V to 5.5 V and supports surface-mount installation in a WQFN-16 package. It provides high-speed performance suitable for complex digital systems.

Feature Summary

• Hex configuration containing six independent D-type flip-flops
• Positive-edge clock triggering mechanism
• Asynchronous clear input for immediate state reset
• CMOS construction ensuring low static power consumption

Applications

• High-speed data storage registers
• Shift register implementations
• Parallel-to-serial data conversion circuits
• State machine control logic

Procurement Notes

Verify the specific suffix BQBR corresponds to the WQFN-16 package variant when sourcing. Confirm RoHS compliance status and moisture sensitivity level requirements against your assembly process specifications. Ensure ESD handling protocols are followed during component inspection and placement due to CMOS sensitivity.

Selection Notes

Select this component when a compact solution for storing multiple bits of data is required in space-constrained designs. The AC logic family offers a balance between speed and power efficiency compared to standard HC or HCT families. Verify that the operating voltage range aligns with the system's power rails and that the asynchronous clear functionality meets the initialization requirements.

Part Context

This part belongs to the Texas Instruments CD74AC series of advanced CMOS logic devices. The series is designed for high-speed applications requiring low power dissipation. The CD74AC174 specifically addresses needs for multi-bit storage elements in modern digital electronics, providing reliable performance across wide temperature ranges.

Replacement Considerations

Publicly confirmed substitute part numbers for CD74AC174BQBR were not identified in the provided source material.