ON Semiconductor MC74VHC126D Quad Bus Buffer

The ON Semiconductor MC74VHC126D is a high-performance, quad bus buffer that features tristate outputs designed to interface with high-speed memory decoders and data transmission systems. This integrated circuit is part of the VHC family of products, which are known for their low power consumption and high noise immunity, making them suitable for a wide range of digital applications.

Key Features

• Advanced High-Speed CMOS Technology: The MC74VHC126D is built using advanced CMOS technology, which ensures low power dissipation and high-speed operation.
• Quad Bus Buffer Gates with 3-State Outputs: This device includes four independent buffer gates, each with a 3-state output that can be used to drive bus lines or buffer memory address registers.
• High Noise Immunity: Characterized by a high noise immunity of V_NN/V_CC = 0.2V, the MC74VHC126D is robust against electrical noise, making it reliable for use in electrically noisy environments.
• Wide Operating Voltage Range: The device can operate over a wide voltage range from 2V to 5.5V, accommodating various logic levels and making it versatile for interfacing with other logic families.
• Power-Down Protection: Inputs and outputs include protection against high static discharge, ensuring the integrity of the device during periods when it is powered down.
• Low Power Consumption: The low power consumption characteristic is ideal for battery-operated and power-sensitive applications.
• Pb-Free and RoHS Compliant: The MC74VHC126D is environmentally friendly, meeting the requirements for Pb-Free and RoHS compliance.

Applications

The MC74VHC126D is well-suited for a variety of applications where buffer gates with 3-state outputs are necessary. These include:

• Memory address drivers
• Data transmission systems
• Bus-oriented systems
• Driving heavily loaded lines with high fanout

With its combination of high-speed operation, low power consumption, and robust noise immunity, the ON Semiconductor MC74VHC126D is an excellent choice for designers looking to optimize their digital systems for both performance and reliability.