MC74HC126AFL2

Overview

The MC74HC126AFL2 is a quad bus buffer manufactured by onsemi, featuring non-inverting logic and three-state control inputs. It operates within a supply voltage range of 2.0 V to 6.0 V, ensuring compatibility with standard CMOS and LSTTL interfaces. The device provides high-speed operation with low power dissipation, making it suitable for memory address drivers and clock drivers in bus-oriented systems. It includes four independent output enable controls, where the enable function is active-high. The component is designed for robust performance in noisy environments, offering high noise immunity and latchup protection exceeding 300 mA.

Feature Summary

• Provides four independent non-inverting buffers with three-state outputs controlled by active-high enable signals
• Compatible with standard CMOS and LSTTL logic families, facilitating interface between different circuit types
• Features high noise immunity and robust latchup protection for stable operation in demanding environments
• Designed for low power consumption while maintaining high-speed signal propagation characteristics

Applications

• Memory address drivers in computer systems
• Clock distribution networks
• Bus-oriented receiver and transmitter circuits

Procurement Notes

Verify the specific package type and tape-and-reel specifications against the manufacturer's current datasheet before ordering. Confirm that the MC74HC126AFL2 variant meets all required environmental standards, such as RoHS compliance, for your specific application. Ensure that the operating voltage range aligns with your system's power supply constraints. Check for any recent product change notices or obsolescence alerts from onsemi regarding this part number.

Selection Notes

Select the MC74HC126AFL2 when a quad bus buffer with active-high enable control is required. It is appropriate for designs needing compatibility with both CMOS and LSTTL logic levels. Consider this component for applications requiring high noise immunity and low power dissipation. Ensure the supply voltage falls within the 2.0 V to 6.0 V range for optimal performance.

Part Context

The MC74HC126AFL2 belongs to the 74HC series of high-speed CMOS logic devices produced by onsemi. This series is known for its wide operating voltage range and compatibility with various logic families. The device is part of a broader family of bus buffers and transceivers designed for digital signal processing and data transmission applications. Its pinout is compatible with other standard logic families, simplifying design transitions.