74AC74SJX

Overview

The onsemi 74AC74SJX is a dual D-type flip-flop integrated circuit belonging to the 74AC logic series. It features positive-edge triggering with set and reset functions, housed in a 14-SOP package. The device operates within a supply voltage range of 2 V to 6 V and supports a maximum clock frequency of 160 MHz. Key electrical parameters include a propagation delay of 10 ns at 5 V with 50 pF load, output source/sink currents of 24 mA, and static current of 20 µA. It functions reliably across an operating temperature range of -40°C to +85°C.

Feature Summary

• Dual D-type flip-flops with positive-edge triggering for sequential logic applications
• Integrated set and reset control inputs for direct state management
• High-speed operation supporting clock frequencies up to 160 MHz
• Strong drive capability with 24 mA output source and sink currents

Applications

• Parallel data storage and register circuits
• Shift registers for serial-to-parallel conversion
• Timing and synchronization logic modules
• State machine implementation in digital systems

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status via official documentation. Check for obsolescence notices or lifecycle changes prior to procurement. Ensure packaging specifications match design requirements. Validate technical datasheet versions against current revisions.

Selection Notes

Select this component for designs requiring dual D-flip-flops with independent set and reset controls. Consider the 2V to 6V supply range compatibility with system voltage levels. Evaluate the 160 MHz speed capability against timing constraints. Compare package dimensions and thermal characteristics with PCB layout requirements. Assess static power consumption benefits for low-power applications.

Part Context

The 74AC74SJX belongs to onsemi's standard 74AC logic family, designed for high-speed CMOS applications. It complements other single-function gates and memory elements within the same series. The SOP-14 package provides surface-mount convenience for automated assembly processes. This part supports general-purpose digital logic design across industrial and consumer electronics sectors.

Replacement Considerations

MC74AC74DG by onsemi serves as a similar alternative. SN74AC74DR by Texas Instruments offers direct replacement functionality. Verify pinout compatibility and electrical parameter alignment before substitution.