Product Overview: DM74LS161AN by ON Semiconductor

The DM74LS161AN is a high-performance, synchronous 4-bit binary counter integrated circuit crafted by the reputable ON Semiconductor. This device is a member of the 74LS series logic family, which is well-known for its low power consumption and high-speed capabilities. The DM74LS161AN is designed to operate with a typical switching speed of 25 nanoseconds, providing efficient and reliable counting operations for a variety of electronic applications.

Key Features

• Synchronous Operation: The counter operation is synchronized to the clock pulses, ensuring precise timing and counting sequences for critical applications.
• Direct Clear: A dedicated clear function allows for immediate resetting of the counter to zero, which is essential for control and initialization processes.
• 4-Bit Binary Counter: This IC is capable of counting from 0 to 15 in binary, making it suitable for digital systems that require binary counting.
• Two Count Enable Inputs: The device features dual count enable inputs for n-bit cascading, which allows for the expansion of counting without the need for additional circuitry.
• Output Capability: The counter provides standard TTL outputs that can drive up to 10 LS-TTL loads, ensuring compatibility with various digital systems.
• Load and Reset Inputs: Dedicated load and reset inputs offer additional control over the counting process, allowing for flexible operation in complex systems.
• Durable Construction: Housed in a robust 16-pin plastic DIP package, the DM74LS161AN is designed for durability and reliable performance in a wide range of environmental conditions.

Applications

The DM74LS161AN is ideal for use in numerous electronic systems where precise counting is required. Some common applications include:

• Digital clocks and timers
• Frequency dividers
• Programmable counters
• Sequential state machines
• System monitoring and control

Summary

The DM74LS161AN from ON Semiconductor is a versatile and reliable choice for designers looking to implement synchronous counting in their digital systems. With its high-speed operation, robust feature set, and compatibility with other LS-TTL logic devices, this counter IC stands out as a solid component for a wide array of electronic applications.