onsemi

MC74AC161DG

MC74AC161DG Description

The MC74AC161DG from onsemi is a high-performance 4-bit synchronous binary counter designed for precision timing and counting applications. Operating within a 2V to 6V supply range, this device delivers a 167 MHz count rate, making it ideal for high-speed digital systems. Packaged in a 16-SOIC tube, it features synchronous operation with positive-edge triggering, ensuring reliable and deterministic performance. The counter supports asynchronous reset, allowing immediate clearing of the count, and offers up-counting direction for straightforward integration into sequential logic designs.

MC74AC161DG Features

• 4-bit binary counter with single-element integration for compact designs.
• Synchronous timing ensures precise clock-aligned operation, reducing skew in high-speed applications.
• Asynchronous reset for instant count clearance without clock dependency.
• Wide voltage range (2V–6V) compatible with TTL and CMOS logic levels.
• 167 MHz maximum count rate for high-frequency applications.
• Positive-edge triggered for reliable state transitions.
• ROHS3 compliant and REACH unaffected, meeting environmental standards.
• Surface-mount (SOIC-16) package for space-constrained PCB layouts.

MC74AC161DG Applications

The MC74AC161DG excels in applications requiring high-speed counting and timing control, such as:

• Frequency dividers in communication systems.
• Digital clocks and timers with synchronous reset functionality.
• Programmable logic controllers (PLCs) for industrial automation.
• Microcontroller-based systems needing precise event counting.
• Test and measurement equipment where fast, glitch-free counting is critical.

Conclusion of MC74AC161DG

The MC74AC161DG stands out for its high-speed operation, synchronous design, and robust voltage tolerance, making it a versatile choice for advanced digital systems. Its asynchronous reset and edge-triggered logic provide flexibility in real-time applications, while its compact SOIC package ensures easy integration. Ideal for engineers seeking reliability in high-frequency counting, this counter is a dependable solution for both industrial and consumer electronics.