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74AC163SC

74AC163SC Description

The 74AC163SC is a 4-bit synchronous binary counter from ON Semiconductor's 74AC series, designed for high-speed digital applications. Housed in a 16-SOIC package, this IC operates within a 2V to 6V supply range, making it compatible with both 3.3V and 5V systems. It features synchronous counting and synchronous reset functionality, ensuring precise timing and control in clocked systems. With a 140 MHz count rate, it delivers superior performance for high-frequency applications. The device is edge-triggered on the positive clock edge and supports up-counting only. Although marked as obsolete, it remains a reliable choice for legacy designs requiring robust, high-speed counting solutions.

74AC163SC Features

• 4-bit binary counter with synchronous operation for deterministic performance.
• 140 MHz maximum count rate enables high-speed data processing.
• Synchronous reset allows for predictable state initialization.
• Wide voltage range (2V–6V) supports mixed-voltage systems.
• Positive-edge triggering ensures stable clock synchronization.
• Surface-mount 16-SOIC package for compact PCB integration.
• Low power consumption typical of 74AC logic family.
• REACH and RoHS compliance for environmental safety.

74AC163SC Applications

The 74AC163SC is ideal for applications requiring precise, high-speed counting, such as:

• Frequency dividers in communication systems.
• Digital clocks and timers with synchronous control.
• Address generators in memory interfaces.
• State machine controllers in industrial automation.
• Pulse positioning systems where synchronous reset is critical.
  Its synchronous design minimizes glitches, making it suitable for noise-sensitive environments.

Conclusion of 74AC163SC

The 74AC163SC offers a blend of speed, reliability, and versatility, making it a strong candidate for high-performance digital systems. While obsolete, its synchronous operation, wide voltage range, and 140 MHz capability ensure it remains viable for legacy or specialized designs. Engineers seeking a robust 4-bit counter with deterministic behavior should consider this IC for timing-critical applications.