HEF40174BT,652

Overview

The HEF40174BT,652 is a hex edge-triggered D-type flip-flop belonging to the NXP 4000B series. It integrates six independent data inputs (D0–D5) and corresponding buffered outputs (Q0–Q5). The device operates within a supply voltage range of 3V to 15V and features a master reset function. Packaged in a 16-pin PDSO surface-mount configuration, it supports positive edge triggering for reliable digital state storage.

Feature Summary

• Hex architecture containing six independent D-type flip-flops
• Positive edge-triggered operation for precise clock synchronization
• Buffered outputs providing enhanced drive capability
• Integrated master reset functionality for system initialization

Applications

• Parallel-to-serial data conversion circuits
• Digital state retention and memory elements
• Shift register configurations
• General-purpose logic control systems

Procurement Notes

This component is officially classified as obsolete and no longer manufactured by NXP USA Inc. Availability is restricted to existing stock from third-party distributors. Verify part authenticity and condition carefully, as new production units are unavailable. Sourcing should focus on surplus inventory with documented history.

Selection Notes

Engineers requiring this specific hex flip-flop must evaluate obsolete status implications for long-term projects. Alternative solutions should be considered if continuous supply is critical. Ensure replacement components match the 16-pin PDSO footprint and electrical specifications of the original design requirements.

Part Context

The HEF40174BT,652 belongs to the widely adopted 4000B CMOS logic family, known for broad voltage tolerance and low power consumption. This specific variant provides hex D-type functionality, distinguishing it from counters or latches within the same series. It serves as a fundamental building block for sequential logic designs.

Replacement Considerations

Public confirmed substitute part numbers: HEF40174BP,652.