The 74AC161PC from ON Semiconductor is a high-speed 4-bit binary counter integrated circuit, specifically designed for use in high-performance memory-decoding or data-processing systems. This device is part of the AC series, which is renowned for its robust performance and compatibility with TTL (Transistor-Transistor Logic) power levels.

Key Features:

• Advanced CMOS Technology: The device is manufactured using ON Semiconductor's advanced CMOS technology, which ensures low power consumption while maintaining high-speed operation.
• Synchronous Counting: The 74AC161PC operates on synchronous counting, which allows for precise timing and control over the counting sequence.
• Look-Ahead Carry Capability: This feature allows the counters to be cascaded with the clock input of the next counter in line, enabling high-speed counting over long sequences.
• Asynchronous Master Reset: The counter can be quickly and effectively reset to zero by the asynchronous master reset input, which is independent of the clock.
• Output Capability: The device offers standard outputs that can drive up to 15 LSTTL loads, ensuring compatibility with a wide range of digital components.
• Multiple Counting Modes: It supports both binary and decade counting modes, making it versatile for different applications.

Applications:

The 74AC161PC is suitable for a variety of applications, including:

• High-speed internal clock generation
• Memory address counters
• Timers and high-frequency dividers
• Data processing and computation systems

Technical Specifications:

Some of the technical specifications of the 74AC161PC include:

• Supply Voltage Range: 2.0V to 6.0V
• Count Frequency (Typical): 140MHz
• Operating Temperature Range: -40°C to 85°C
• Package: 16-pin DIP (Dual In-line Package)

The 74AC161PC from ON Semiconductor represents a reliable and efficient solution for designers looking to implement fast and precise counting mechanisms in their digital systems. Its advanced features and robust technology make it an ideal choice for a wide range of high-performance applications.