Product Overview: SN74AS161N

The SN74AS161N is a high-performance, 4-bit binary counter from Texas Instruments (TI), renowned for its precision and durability in a wide range of electronic applications. Designed with advanced Schottky (AS) technology, this counter is part of TI's 74AS series, which is known for its fast switching speeds and excellent operational reliability.

Key Features

• Fast Counting Speed: The SN74AS161N is capable of handling high-speed counting operations, which is essential for applications requiring quick data processing and throughput.
• Synchronous Operation: This device operates synchronously, ensuring that outputs change coincident with each other on the rising edge of the clock pulse, which is crucial for maintaining data integrity.
• 4-Bit Binary Counter: As a 4-bit counter, it can count up to 16 binary states, from 0000 to 1111, making it suitable for a variety of digital counting tasks.
• Multiple Counting Modes: The SN74AS161N offers several modes of operation, including presettable, count-down, and parallel loading capabilities, providing flexibility in its use.
• Direct Clear Function: A direct clear input allows for immediate resetting of the counter, which is essential for applications requiring quick initialization or reset of counting sequences.
• Durable Construction: Packaged in a robust 16-pin plastic DIP, the SN74AS161N is designed to withstand harsh industrial environments and conditions.

Applications

The SN74AS161N is suitable for a variety of applications, including:

• Industrial control systems
• High-speed data processing
• Frequency division
• Timers and counters in consumer electronics
• Test equipment

Technical Specifications

The SN74AS161N operates over a wide voltage range and has the following technical specifications:

• Supply Voltage (V<sub>CC): 4.5V to 5.5V
• Count Frequency: Up to 100MHz
• Operating Temperature Range: 0°C to 70°C
• Output Current High/Low: -3mA / 24mA

For detailed information, refer to the SN74AS161N datasheet provided by Texas Instruments. The datasheet includes comprehensive technical details, pin configurations, and application notes to assist in the integration of this counter into your electronic designs.