Professional IC Distribution & Technical Solutions

Manufacturer: Texas Instruments (TI)

Part Number: SN74ALS161BNSR

Specifications:

• Logic Type: Synchronous 4-Bit Binary Counter
• Technology: Advanced Low-Power Schottky (ALS)
• Supply Voltage Range: 4.5V to 5.5V
• Operating Temperature Range: 0°C to +70°C
• Count Rate: 32 MHz (Typical)
• Number of Bits: 4
• Trigger Type: Positive Edge
• Reset Type: Asynchronous (Master Reset)
• Load Type: Synchronous Parallel Load
• Output Type: Standard
• Package / Case: SOIC-16 (150-mil width)
• Mounting Type: Surface Mount
• Features:
• Fully Synchronous Operation
• Internal Carry Look-Ahead for Fast Counting
• Asynchronous Master Reset
• Synchronous Parallel Load
• TTL-Compatible Inputs and Outputs

Descriptions:

The SN74ALS161BNSR is a synchronous 4-bit binary counter with an asynchronous master reset. It operates in a fully synchronous mode, allowing precise control of counting operations. The device features a parallel load capability for presetting the counter and includes internal carry look-ahead logic for high-speed counting applications.

Features:

• High-Speed Operation: 32 MHz typical count rate
• Low Power Consumption: ALS technology for reduced power
• Flexible Control: Synchronous counting, parallel load, and asynchronous reset
• Wide Operating Voltage: 4.5V to 5.5V
• TTL Compatibility: Direct interface with TTL logic levels
• 16-Pin SOIC Package: Compact surface-mount design

This device is commonly used in digital counting applications, frequency division, and sequential logic circuits.