SN74LV126ADR

The SN74LV126ADR is a quad buffer/driver with 3-state outputs, designed by Texas Instruments. It is part of the LV (Low Voltage) logic family, which allows for operation at lower supply voltages while maintaining high-speed performance and low power consumption. Here’s a detailed description of its features and specifications:

Key Features:

1. Quad Buffer/Driver Configuration: The device contains four independent buffer/driver circuits, each capable of driving a load with high current output.

2. 3-State Outputs: Each output can be in one of three states: high, low, or high-impedance (high-Z). This feature is essential for bus-oriented applications where multiple devices share the same output line.

3. Low Voltage Operation: The SN74LV126ADR operates with a supply voltage range of 2.0V to 5.5V, making it suitable for low-voltage applications, including battery-powered devices.

4. High-Speed Performance: The device is capable of operating at high speeds, with propagation delays typically around 5 ns at 5V, allowing for fast data transmission.

5. Low Power Consumption: The LV family is designed to consume less power compared to traditional TTL logic families, making it ideal for energy-sensitive applications.

6. Input/Output Compatibility: The inputs are compatible with standard TTL levels, while the outputs can drive TTL loads, making it versatile for interfacing with various logic families.

7. Wide Operating Temperature Range: The device is rated for operation from -40°C to +125°C, ensuring reliability in harsh environments.

8. Pin Configuration: The SN74LV126ADR is available in a 14-pin TSSOP (Thin Shrink Small Outline Package) or SOIC (Small Outline Integrated Circuit) package, which is compact and suitable for space-constrained applications.

9. Logic Levels: The device features a logic high threshold that is compatible with both TTL and CMOS logic levels, ensuring seamless integration into mixed-logic systems.

Applications:

The SN74LV126ADR is commonly used in various applications, including:

• Data buffering and signal conditioning in digital circuits.
• Driving LEDs and other loads in consumer electronics.
• Bus drivers in communication systems.
• Level shifting between different voltage domains in mixed-signal applications.

Electrical Characteristics:

• Supply Voltage (Vcc): 2.0V to 5.5V
• Input Voltage (Vi): 0V to Vcc
• Output Voltage (Vo): 0V to Vcc
• Output Current (Io): Typically ±24 mA
• Propagation Delay (tpd): Typically 5 ns at 5V

Conclusion:

The SN74LV126ADR from Texas Instruments is a versatile and efficient quad buffer/driver that meets the demands of modern low-voltage digital applications. Its combination of high-speed performance, low power consumption, and robust design makes it an excellent choice for engineers looking to implement reliable and efficient digital logic solutions.