The 74126 Quad 3-State Bus Buffer IC (DIP) is a high-performance digital logic IC designed for interfacing and buffering applications in digital circuits. It consists of four independent buffer gates, each with 3-state outputs, allowing multiple devices to share the same data lines without interference. The IC features tri-state control, meaning the outputs can be in one of three states: HIGH, LOW, or high-impedance, making it ideal for bus-oriented systems.
This IC is commonly used in data transfer, memory addressing, microprocessor interfacing, and other digital applications where controlled data flow is required. Packaged in a standard Dual Inline Package (DIP), it is easy to handle, solder, and use in breadboards or PCBs. The 74126 is part of the standard TTL family, ensuring reliable and fast switching performance with typical operating voltage of 5V.
Key Features:
- Quadruple (4x) buffer with 3-state outputs
- Output enable control for each buffer
- Operates on standard 5V logic supply
- Compatible with TTL/CMOS logic levels
- High-speed switching capability
- DIP packaging for easy prototyping and integration
Applications:
- Data bus interfacing
- Microprocessor and memory systems
- Digital switching and multiplexing
- Logic level buffering
- Address and control line driving
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