The MC74ACT161MEL from ON Semiconductor is a high-performance, 4-bit binary counter integrated circuit, designed for use in a wide range of digital applications. Fabricated with advanced CMOS technology, this device offers a robust counting solution with a high degree of functionality and reliability.

Key Features

• High-Speed Operation: The MC74ACT161MEL operates at exceptional speeds, making it suitable for high-frequency counting applications.
• Synchronous Counting: Synchronous operation is provided by having all flip-flops clocked simultaneously, ensuring accurate and reliable count progression.
• Look-Ahead Carry Output: The counter features a look-ahead carry output for cascading multiple counters, enabling the user to create larger counting chains with minimal propagation delay.
• Reset Function: An asynchronous master reset input (CLR) clears the counter to its zero state when a high level is applied, regardless of other inputs.
• Output Enable: An Output Enable (OE) input places the eight outputs in either a normal logic state or a high-impedance state, thus allowing for expanded system utility and bus-oriented applications.
• Multiple Count Modes: The counter supports both up and down counting modes, providing versatility in count control.
• Direct Clear: A direct clear function allows for immediate resetting of the counter, enhancing control over counting operations.

Applications

The versatility of the MC74ACT161MEL makes it an ideal choice for a vast array of digital systems. Typical applications include:

• Industrial control systems
• Process counters
• Timers and time delay circuits
• Frequency dividers
• Programmable counters
• Data processing systems

Quality and Environmental Compliance

ON Semiconductor is committed to providing environmentally friendly, RoHS-compliant products. The MC74ACT161MEL adheres to these standards, ensuring that it meets the latest environmental regulations for electronic components.

Conclusion

With its fast operation, synchronous counting, and versatile functions, the MC74ACT161MEL from ON Semiconductor stands out as a top choice for designers who require a dependable and flexible 4-bit binary counter. Whether for industrial, commercial, or advanced digital applications, this integrated circuit delivers performance that can be counted on.