The SN74LS91N is a high-quality integrated circuit designed and manufactured by Texas Instruments, a leader in the semiconductor industry. This device is a 4-bit binary counter that belongs to the 74LS logic family, known for its low power Schottky technology. The SN74LS91N is widely used in digital systems for counting applications and frequency division, offering a reliable and efficient solution for designers and engineers.

Key Features

• 4-Bit Counter: The SN74LS91N is capable of counting up to 16 binary increments, making it suitable for a variety of counting tasks in digital circuits.
• Direct Clear: This device includes a direct clear function, allowing users to reset the counter to zero instantly, which is crucial for synchronous operations.
• Cascade Capability: Multiple SN74LS91N counters can be cascaded together for applications requiring longer count sequences.
• High-Speed Operation: The 74LS series is designed for high-speed operation, ensuring that the SN74LS91N can handle fast counting tasks without lag.
• Low Power Consumption: Utilizing low power Schottky technology, the SN74LS91N maintains efficiency and reduces power consumption, which is ideal for battery-powered and energy-saving applications.

Applications

The versatility of the SN74LS91N allows it to be used in a wide range of applications, including:

• Digital clocks and timers
• Frequency dividers
• Sequential control systems
• Count control circuits
• Programmable dividers

Technical Specifications

The SN74LS91N operates within a voltage range of 4.75V to 5.25V, with a typical voltage of 5V, and features a standard 14-pin DIP (Dual In-line Package) for easy integration into a variety of circuit boards. The operating temperature range for the device is 0°C to 70°C, making it suitable for commercial-grade applications.

Ordering and Packaging

When ordering the SN74LS91N, it's important to refer to the complete part number to ensure the correct device specifications. The product is available in tube or tray packaging options, depending on the quantity and shipping requirements.