The 74126 Quad Bus Buffer Tri-State IC is a TTL logic device with four independent buffers and 3-state outputs, housed in a DIP-14 package. It offers high-speed operation, low power dissipation, and enables controlled bus driving in digital circuits and microprocessor systems.
The 74HC244 is a high-speed CMOS octal buffer and line driver IC with 3-state outputs, ideal for memory address driving, bus interfacing, and signal buffering in microcontroller-based systems.