Texas Instruments

CD74AC163M

CD74AC163M Description

The CD74AC163M from Texas Instruments is a high-performance 4-bit synchronous binary counter designed for precision timing and counting applications. Operating within a 1.5V to 5.5V supply range, this IC delivers robust performance with a 90 MHz count rate, making it suitable for high-speed digital systems. Housed in a 16-SOIC package, it features synchronous operation with positive-edge triggering, ensuring reliable and deterministic behavior in clocked systems. The device supports synchronous reset, allowing for controlled initialization, and is ROHS3 compliant with REACH unaffected status, meeting modern environmental standards.

CD74AC163M Features

• 4-bit binary counter with up-counting direction for sequential logic applications.
• Synchronous timing ensures precise operation across all bits, minimizing skew.
• Wide voltage range (1.5V–5.5V) enables compatibility with TTL and low-voltage CMOS systems.
• 90 MHz high-speed operation ideal for fast digital circuits.
• Synchronous reset for controlled initialization without glitches.
• Positive-edge triggered for reliable clock synchronization.
• Surface-mount (SOIC-16) packaging for compact PCB integration.
• ROHS3 compliant and REACH unaffected, adhering to environmental regulations.

CD74AC163M Applications

The CD74AC163M excels in applications requiring high-speed counting and precise timing, such as:

• Frequency dividers in communication systems.
• Digital clocks and timers for industrial automation.
• Address generators in memory interfaces.
• Sequence controllers in embedded systems.
• Event counters in test and measurement equipment.
  Its synchronous reset and edge-triggered operation make it particularly useful in state machines and control logic where deterministic behavior is critical.

Conclusion of CD74AC163M

The CD74AC163M stands out as a high-speed, low-power 4-bit counter with synchronous operation and robust voltage tolerance, making it a versatile choice for modern digital designs. Its compact SOIC package and environmental compliance further enhance its suitability for space-constrained and eco-conscious applications. While classified as Last Time Buy, its performance and reliability ensure it remains a preferred solution for legacy and new designs requiring precise counting functionality.