SN74AHCT126QDRG4Q1

The SN74AHCT126QDRG4Q1 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 low power consumption. Here’s a detailed description of its features and specifications:

General Features:

• Functionality: The SN74AHCT126QDRG4Q1 contains four independent buffers/drivers, each with a 3-state output. This allows for the control of data flow in digital circuits, making it suitable for applications where signal buffering is required.
• Logic Levels: It operates with a supply voltage range of 4.5V to 5.5V, making it compatible with standard TTL and CMOS logic levels.
• Input Compatibility: The device is designed to accept standard TTL input levels, ensuring compatibility with a wide range of digital logic circuits.

Electrical Characteristics:

• Propagation Delay: The typical propagation delay time is around 5 ns at a supply voltage of 5V, which indicates the speed at which the device can process input signals.
• Output Drive Capability: Each output can drive up to 24 mA, allowing it to interface with other logic devices or loads effectively.
• Input Leakage Current: The input leakage current is minimal, typically around ±1 µA, which helps in reducing power consumption.

Package and Pin Configuration:

• Package Type: The SN74AHCT126QDRG4Q1 is available in a TSSOP (Thin Shrink Small Outline Package) with a 14-pin configuration, which is compact and suitable for space-constrained applications.
• Pin Count: The device has 14 pins, with each buffer/driver having its own input and output pins, as well as enable pins for controlling the 3-state outputs.

Operating Conditions:

• Temperature Range: The device is rated for operation over a temperature range of -40°C to +125°C, making it suitable for industrial and automotive applications where temperature extremes may be encountered.
• Power Supply: It requires a single power supply, simplifying the design and reducing the number of components needed in a circuit.

Applications:

The SN74AHCT126QDRG4Q1 is commonly used in various applications, including:

• Data buffering in communication systems.
• Signal conditioning in digital circuits.
• Level shifting between different logic families.
• Driving LEDs or other loads in control applications.

Summary:

In summary, the SN74AHCT126QDRG4Q1 from Texas Instruments is a versatile and efficient quad buffer/driver that provides high-speed performance, low power consumption, and compatibility with standard logic levels. Its robust design and wide operating range make it an excellent choice for a variety of digital applications.