SN74AHC244NSR

The SN74AHC244NSR is a high-speed, octal buffer/driver designed by Texas Instruments, part of the AHC (Advanced High-Speed CMOS) family. This device is particularly useful in applications requiring high-speed data transmission and signal buffering.

Key Features:

1. Functionality: The SN74AHC244 is an octal buffer/driver with 3-state outputs. It can be used to drive high capacitive loads and is ideal for interfacing between different logic levels.

2. Input and Output Configuration: The device has eight inputs and eight corresponding outputs. The outputs can be enabled or disabled via a control pin, allowing for flexible data routing in digital circuits.

3. Voltage Range: It operates over a wide supply voltage range, typically from 2.0V to 5.5V, making it compatible with various logic families and suitable for battery-operated devices.

4. Speed: The SN74AHC244 is designed for high-speed operation, with propagation delays as low as 4.5 ns at 5V, making it suitable for high-frequency applications.

5. Low Power Consumption: The device features low static and dynamic power consumption, which is essential for energy-efficient designs.

6. Temperature Range: It is rated for operation over a temperature range of -40°C to +125°C, ensuring reliability in harsh environments.

7. Package Type: The SN74AHC244NSR is available in a small, surface-mount package (SOIC-20), which is ideal for space-constrained applications. The 'NSR' suffix indicates that it is a reel of 2500 pieces, suitable for automated assembly processes.

8. Logic Levels: The device is compatible with both TTL and CMOS logic levels, making it versatile for various digital applications.

9. Applications: Common applications include data buffering, signal isolation, and level shifting in communication systems, microcontroller interfacing, and other digital logic circuits.

Pin Configuration:

The SN74AHC244NSR typically features a pin configuration that includes:

• Eight data input pins (A1 to A8)
• Eight output pins (Y1 to Y8)
• Two enable pins (OE1 and OE2) for controlling the output states.

Electrical Characteristics:

• Input High Voltage (VIH): Minimum of 2.0V for a 5V supply.
• Input Low Voltage (VIL): Maximum of 0.8V for a 5V supply.
• Output High Voltage (VOH): Typically close to the supply voltage when driving a load.
• Output Low Voltage (VOL): Typically close to ground when driving a load.

Conclusion:

The SN74AHC244NSR from Texas Instruments is a robust and versatile octal buffer/driver that provides high-speed performance, low power consumption, and compatibility with various logic levels. Its features make it an excellent choice for a wide range of digital applications, particularly in environments where space and efficiency are critical.