74AC175SJ

Overview

The onsemi 74AC175SJ is a quad D-type flip-flop belonging to the 74AC logic series. It features four independent circuits with single-ended inputs and differential outputs in an SOP-16 package. The device operates within a supply voltage range of 2 V to 6 V, supporting a maximum clock frequency of 244 MHz. Key electrical parameters include a propagation delay of 13 ns, output currents of ±24 mA, and a static current of 40 µA. It functions across an industrial temperature range of -40°C to +85°C.

Feature Summary

• Contains four independent positive-edge triggered D-type flip-flops
• Provides complementary (differential) outputs for each circuit
• Includes a master reset function for synchronous clearing
• Supports high-speed operation up to 244 MHz

Applications

• High-speed data storage and register applications
• Parallel-to-serial conversion circuits
• Shift register implementations
• Timing and synchronization logic systems

Procurement Notes

Verify component authenticity through authorized channels as this part number is listed as obsolete by the manufacturer. Confirm availability from secondary distributors or surplus suppliers if direct procurement is not possible. Ensure that any sourced units match the original SOP-16 package specifications and electrical characteristics defined in the official datasheet to maintain system reliability.

Selection Notes

Select this component when designing circuits requiring four synchronized D-type storage elements with differential output capabilities. It is suitable for applications demanding high switching speeds up to 244 MHz and robust noise immunity via complementary outputs. Consider the SOP-16 surface-mount package for compact board layouts and verify compatibility with the required 2V to 6V power supply rails.

Part Context

This device is part of the 74AC family of CMOS logic integrated circuits, designed for high-speed digital applications. It serves as a fundamental building block for sequential logic designs, offering improved performance over standard 74LS counterparts while maintaining pin-out compatibility with legacy systems. The 74AC series is widely used in computing, telecommunications, and industrial control systems.

Replacement Considerations

The CD74AC175M96 from Texas Instruments is documented as a similar replacement option.