The SN74AS161DE4 is a high-performance, 4-bit binary counter from Texas Instruments, a leader in semiconductor solutions. This integrated circuit is part of the Advanced Schottky (AS) family, known for its fast switching speeds and low power consumption. It is designed for counting and frequency division applications in a wide range of digital systems.

Key Features

• Technology: Advanced Schottky TTL
• Counting Sequence: Binary, up-counter
• Speed: Fast propagation delay times
• Voltage Range: 4.5V to 5.5V operating voltage
• Output Capability: Capable of driving 15 LSTTL loads
• Package: Available in a standard 16-pin SOIC package

Functional Description

The SN74AS161DE4 is capable of binary counting from 0 to 15. It features a fully synchronous internal architecture, which ensures that the outputs change coincident with each other on the rising edge of the clock signal. This level of synchronization is crucial for applications requiring precise timing and sequence control.

The device includes features such as a clear input to reset the counter to zero and preset inputs for loading the counter with a specific value. These functions add to the flexibility and utility of the SN74AS161DE4, making it suitable for a variety of complex digital tasks.

Applications

The SN74AS161DE4 is used in a broad range of applications, including:

• Industrial control systems
• Processors and microcontrollers
• Communication systems
• Data processing
• Test equipment
• Instrumentation and measurement devices

This binary counter is an essential component for designers looking to implement reliable, high-speed counting functions in their digital designs. With its robust performance and proven technology, the SN74AS161DE4 from Texas Instruments stands out as a superior choice for advanced electronic systems.