SN74AHCT126QPWRQ1

The SN74AHCT126QPWRQ1 is a quad buffer/driver with 3-state outputs, designed by Texas Instruments. It is part of the AHCT family of logic devices, which are known for their high-speed performance and compatibility with TTL (Transistor-Transistor Logic) levels. Here’s a detailed description of its features and specifications:

General Features:

• Quad Buffer/Driver: The device contains four independent buffer/driver circuits, each capable of driving a load.
• 3-State Outputs: Each output can be in one of three states: high, low, or high-impedance (floating), allowing for easy bus-oriented applications.
• TTL Compatibility: The device is designed to be compatible with TTL logic levels, making it suitable for interfacing with other TTL devices.

Electrical Characteristics:

• Supply Voltage (VCC): The device operates within a supply voltage range of 4.5V to 5.5V, making it suitable for standard 5V logic applications.
• Input Voltage Levels: The input high voltage (VIH) is typically around 2V minimum, while the input low voltage (VIL) is around 0.8V maximum, ensuring compatibility with standard logic levels.
• Output Drive Capability: The outputs can drive a significant amount of current, typically up to 6 mA at a high state, making it capable of driving multiple loads.

Package Information:

• Package Type: The SN74AHCT126QPWRQ1 is available in a TSSOP (Thin Shrink Small Outline Package) with a 20-pin configuration, which is compact and suitable for space-constrained applications.
• Thermal Characteristics: The package is designed to dissipate heat effectively, with a thermal resistance that allows for reliable operation under various conditions.

Functional Characteristics:

• Propagation Delay: The device features low propagation delays, typically in the range of nanoseconds, allowing for high-speed data transmission.
• Power Consumption: The device is designed to consume low power, making it suitable for battery-operated and energy-efficient applications.

Applications:

The SN74AHCT126QPWRQ1 is commonly used in various applications, including:

• Data buffering and signal conditioning in digital circuits.
• Driving LEDs and other loads in consumer electronics.
• Interfacing between different logic families in mixed-signal environments.
• Bus-oriented applications where multiple devices share a common data line.

Additional Features:

• Input Protection: The device includes input protection circuitry to safeguard against voltage spikes and electrostatic discharge (ESD).
• Temperature Range: It is rated for operation over a wide temperature range, typically from -40°C to +125°C, making it suitable for automotive and industrial applications.

In summary, the SN74AHCT126QPWRQ1 from Texas Instruments is a versatile and reliable quad buffer/driver that offers high-speed performance, low power consumption, and compatibility with TTL logic levels, making it an excellent choice for a wide range of digital applications.