SN74LV244ANSR

The SN74LV244ANSR is a high-speed, low-voltage octal buffer/driver designed by Texas Instruments. It is part of the 74LV family of logic devices, which are known for their low power consumption and high-speed performance. Here’s a detailed description of its features and specifications:

General Description:

The SN74LV244ANSR is an octal buffer/driver with 3-state outputs, meaning it can drive multiple loads while providing high output current. It is designed to operate with a supply voltage range of 2.0V to 5.5V, making it suitable for a variety of low-voltage applications. The device is particularly useful in applications where signal buffering is required, such as in data transmission, interfacing between different logic levels, and driving capacitive loads.

Key Features:

• Octal Buffer/Driver: Contains eight independent buffer/driver circuits, allowing for the simultaneous processing of multiple signals.
• 3-State Outputs: Each output can be in one of three states: high, low, or high-impedance (floating), which is essential for bus-oriented applications.
• Low Voltage Operation: Designed to operate at low voltage levels, making it ideal for battery-powered devices and low-power applications.
• High-Speed Performance: Capable of switching at high speeds, with propagation delays typically around 4.5 ns at 5V, ensuring fast signal transmission.
• Low Power Consumption: Consumes minimal power during operation, which is critical for energy-efficient designs.
• Wide Supply Voltage Range: Operates effectively within a supply voltage range of 2.0V to 5.5V, providing flexibility in design.
• TTL Compatible: Compatible with TTL (Transistor-Transistor Logic) levels, allowing for easy integration with other logic families.

Pin Configuration:

The SN74LV244ANSR is available in a 20-pin TSSOP (Thin Shrink Small Outline Package) or SOIC (Small Outline Integrated Circuit) package. The pin configuration includes:

• Inputs (A1 to A8): Eight input pins that accept the signals to be buffered.
• Outputs (Y1 to Y8): Eight output pins that provide the buffered signals.
• Enable Pins (OE): Control pins that enable or disable the outputs, allowing for the 3-state functionality.

Electrical Characteristics:

• Input Voltage Levels: Recognizes input high levels as a minimum of 2.0V (at Vcc = 5V) and input low levels as a maximum of 0.8V.
• Output Drive Capability: Each output can typically source or sink up to 24 mA, making it capable of driving multiple loads.
• Propagation Delay: Fast propagation delay times, typically around 4.5 ns at 5V, ensuring quick response times in digital circuits.

Applications:

The SN74LV244ANSR is widely used in various applications, including:

• Data buffering in communication systems.
• Driving LEDs and other display elements.
• Interfacing between different logic families.
• Signal conditioning in digital circuits.

Conclusion:

The SN74LV244ANSR from Texas Instruments is a versatile and efficient octal buffer/driver that meets the demands of modern digital applications. Its combination of low voltage operation, high-speed performance, and low power consumption makes it an excellent choice for engineers looking to enhance their designs with reliable signal buffering capabilities.