The SN74LS195N is a high-performance, 4-bit shift register designed and manufactured by Texas Instruments. This integrated circuit is part of the 74LS series, known for its low-power Schottky technology. The device features a fully synchronous serial or parallel data transfer system, which is controlled by a common clock.

Key Features

• Logic Family: The SN74LS195N belongs to the 74LS logic family, which ensures compatibility with a wide range of existing systems and is favored for its power efficiency.
• Parallel or Serial Input: It supports both parallel and serial input modes, allowing for flexible data processing and compatibility with various types of digital systems.
• Serial Output: The device provides serial output, which can be used to extend the bit length of the shift register by cascading multiple devices.
• Mode Control: The shift register includes mode control inputs that allow for different types of operations such as hold, shift left, shift right, and parallel load, making it highly versatile for different applications.
• Direct Overriding Clear: A direct clear input is provided, enabling the user to reset the register to zero with a single input signal.
• Package: The IC comes in a standard 16-pin plastic DIP (Dual In-line Package), which is suitable for through-hole mounting on printed circuit boards.

Applications

The SN74LS195N is widely used in digital systems where data needs to be stored, shifted, or manipulated. Common applications include:

• Data storage and transfer
• Digital signal processing
• Serial-to-parallel data conversion
• Control systems
• Computing systems

Technical Specifications

• Voltage Supply: Typically 5V
• Operating Temperature: 0°C to 70°C
• Propagation Delay Time: Approximately 15ns at 5V, 25°C

The SN74LS195N is a testament to Texas Instruments' commitment to providing reliable and versatile components for the electronics industry. Its ability to perform various shift register operations with high efficiency makes it a staple in the toolkit of electronics designers and engineers.