ON Semiconductor 74LS163 Synchronous 4-Bit Binary Counter

The 74LS163 is a high-speed 4-bit synchronous binary counter designed by ON Semiconductor. This integrated circuit is part of the low-power Schottky (LS) family, which is well-known for its balance between speed and power consumption. The 74LS163 offers a direct clear function, synchronous counting, and a fully synchronous load for easy interfacing with other digital components.

Key Features

• Synchronous Counting: The 74LS163 counts synchronously with the clock input, ensuring precise timing and coordination with other synchronous devices in digital circuits.
• Load Function: It includes a parallel load feature that allows the counter to be preset to any desired value at any point in the counting sequence.
• Clear Function: The direct clear input allows for immediate resetting of the counter to zero, which is essential for a wide range of applications where quick initialization is required.
• Output Capability: The counter features standard TTL outputs which can drive up to 10 LS TTL loads, providing good interfacing capabilities with other components.
• Dual Clock: It is equipped with a dual clock to facilitate either ripple or synchronous counting modes.

Applications

The 74LS163 is versatile and can be used in a variety of applications. It's particularly suitable for use in:

• Timing circuits
• Frequency division
• Counters and dividers
• Control systems
• Sequential state machines

Technical Specifications

With a typical clock frequency of up to 25MHz, the 74LS163 provides fast counting capabilities suitable for high-speed applications. It operates on a standard 5V power supply, which is common in digital logic circuits. The operating temperature range of the device is from 0°C to 70°C, making it suitable for commercial-grade applications.

ON Semiconductor's commitment to quality ensures that the 74LS163 binary counter meets the industry standards for reliability and performance. Whether used in educational settings, prototype development, or commercial products, the 74LS163 from ON Semiconductor is a reliable choice for your counting and timing needs.