Product Overview: CD74HC126MT by Texas Instruments

The CD74HC126MT is a high-speed CMOS logic Quad Bus Buffer manufactured by Texas Instruments, designed to offer both robust performance and high functionality for a variety of digital applications. This integrated circuit features four independent non-inverting buffer/line drivers with 3-state outputs, making it a versatile component for use in bus-oriented systems.

Key Features

• Logic Type: The CD74HC126MT is a quad buffer/line driver with 3-state outputs, belonging to the high-speed CMOS logic family.
• Supply Voltage Range: It operates over a broad supply voltage range of 2 V to 6 V, accommodating a variety of logic levels and making it suitable for interfacing with both CMOS and TTL logic families.
• Output Drive Capability: The device can source or sink up to 5.2 mA at VCC = 4.5 V, providing good drive capabilities for moderate loads.
• High Noise Immunity: True level translation capability and high noise immunity of VNIH = VNIL = 28% VCC (minimum) are hallmarks of the device, ensuring reliable operation in electrically noisy environments.
• Speed: The propagation delay time is typically 13 ns at VCC = 5 V, CL = 15 pF, TA = 25°C, which allows for high-speed operation in critical applications.

Applications

The CD74HC126MT is ideal for a wide range of applications, including:

• Bus driver or buffer applications in computers and computer peripherals
• Driving heavy loads or as a line driver in communication systems
• Control systems and robotics where signal integrity is paramount
• Memory address drivers, clock drivers, and other applications requiring high-current sink or source capability

Quality and Reliability

As with all Texas Instruments products, the CD74HC126MT is manufactured to the highest quality standards. It is available in a compact surface-mount package, specifically the 14-pin TSSOP (Thin Shrink Small Outline Package), making it suitable for space-constrained applications. Texas Instruments ensures that this buffer/line driver meets rigorous standards for performance and reliability, providing engineers with a dependable solution for their design needs.

For detailed specifications and application notes, designers are encouraged to consult the official Texas Instruments datasheets and product guides.