MC74HC174ADTR2

Flip Flops Overview

The MC74HC174ADTR2 is a discontinued hex D-type flip-flop manufactured by onsemi. It features positive-edge triggering and includes an asynchronous reset function. The device operates within a supply voltage range of 2V to 6V, with a maximum propagation delay of 19ns at 6V and 50pF load. Output drive capabilities are specified at 5.2mA for both high and low states. It utilizes a 16-TSSOP surface-mount package and supports an operating temperature range from -55°C to +125°C.

Flip Flops Feature Summary

• Hex D-type flip-flop architecture with positive-edge clock triggering
• Asynchronous reset functionality for immediate state clearing
• Wide supply voltage operation supporting 2V to 6V ranges
• Industrial temperature rating extending from -55°C to +125°C

Flip Flops Applications

• Parallel-to-serial data conversion circuits
• Shift register implementations in digital systems
• Memory address latching applications
• General-purpose storage elements in logic designs

Flip Flops Procurement Notes

This component is officially classified as Not Recommended for New Designs and has been discontinued by the manufacturer. Procurement should focus on verifying the authenticity of remaining stock from authorized distributors or surplus suppliers. Designers must assess long-term availability risks before integrating this obsolete part into new production hardware.

Flip Flops Selection Notes

Engineers requiring active alternatives should consider the MC74HC174ADTR2G, which offers RoHS compliance while maintaining functional equivalence. For broader compatibility across manufacturers, SN74HC174 variants from Texas Instruments provide pin-compatible solutions. Selection criteria should prioritize lead time reliability and supply chain stability given the original part's end-of-life status.

Flip Flops Part Context

The MC74HC174ADTR2 belongs to the standard 74HC series of high-speed CMOS logic devices. It serves as a fundamental building block for sequential logic circuits requiring multiple independent storage bits within a single integrated circuit package. The TSSOP-16 form factor allows for compact surface-mount assembly in consumer and industrial electronics.

Flip Flops Replacement Considerations

• MC74HC174ADTR2G
• SN74HC174DBR
• SN74HC174PW
• SN74HC174PWR

Flip Flops FAQ

Does the MC74HC174ADTR2 include an output enable control?

No, the datasheet specifications indicate that this device provides direct outputs without a separate tri-state enable pin.

What is the trigger edge for the clock input?

The flip-flops are triggered on the positive-going edge of the clock signal.