CD74HC173M96

Overview

The CD74HC173M96 is a Texas Instruments quad D-type flip-flop with 3-state outputs, part of the HC logic family. It operates within a supply voltage range of 2 V to 6 V and features a TSSOP-16 surface-mount package. The device supports single-ended non-inverting inputs and includes an asynchronous master reset. Key electrical parameters include a propagation delay of 200 ns, high-level output current of -7.8 mA, and low-level output current of 7.8 mA. It functions across a temperature range of -55 °C to +125 °C.

Feature Summary

• Quad D-type flip-flop configuration with synchronous data loading capabilities
• Three-state outputs controlled by dual enable logic for bus driving applications
• Asynchronous master reset function for immediate clearing of all trigger units

Applications

• High-speed disk and tape controllers
• Communication buffer circuits
• Parallel-to-serial conversion systems

Procurement Notes

Verify the specific suffix M96 against the manufacturer's official datasheet to confirm pinout compatibility and electrical characteristics. Ensure the component matches the required TSSOP-16 package dimensions and lead finish specifications for your PCB design. Cross-reference the RoHS compliance status and moisture sensitivity level with current production notices before finalizing procurement orders.

Selection Notes

Select this component when a compact quad D-type flip-flop with tri-state outputs is required for space-constrained designs. The HC series offers CMOS input compatibility and standard logic levels suitable for general-purpose digital applications. Consider the 2 V to 6 V operating range for flexibility in various power supply environments compared to fixed-voltage HCT variants.

Part Context

The CD74HC173M96 belongs to the Texas Instruments CD74HC173 series of high-speed CMOS logic devices. This series represents a quad D-type flip-flop architecture widely used in digital memory and storage applications. The M96 suffix typically denotes a specific tape-and-reel packaging format optimized for automated surface-mount assembly processes.

Replacement Considerations

CD74HC173PW

FAQ

How is the asynchronous master reset activated?

The master reset (MR) is active-high; applying a high signal immediately clears all four flip-flops regardless of clock or data inputs.

What controls the three-state output condition?

Dual output enable pins (OE1 and OE2) control the state. Both must be low to activate outputs; if either is high, the outputs enter a high-impedance state.