SN74F126NS Quadruple Bus Buffer Gates with 3-State Outputs

The SN74F126NS from Texas Instruments is a high-performance, quadruple bus buffer gate featuring 3-state outputs designed to be employed in a wide array of digital applications. This integrated circuit is part of the F family, known for its fast series, and is encapsulated in a convenient 14-pin SOP (Small Outline Package) making it suitable for space-constrained applications.

This device is characterized by its ability to provide high-drive outputs with a 3-state feature that allows for connection to a common bus, which will enable the outputs to be maintained in a high-impedance state, effectively preventing any potential bus conflict. The SN74F126NS is particularly useful in bus-oriented systems where multiple outputs need to share a common connection without interference.

Each buffer of the SN74F126NS has a separate output-enable input, which controls whether the output is in the active state or in a high-impedance state. When the output-enable input is high, the output is disabled and placed in the high-impedance state, allowing other devices to drive the bus without conflict. This feature is essential for implementing bus arbitration and control in complex digital systems.

The SN74F126NS operates over a broad voltage range and offers a choice of input levels. The inputs are designed to be tolerant to higher input voltages, thus ensuring compatibility with a variety of logic families. This makes the SN74F126NS a versatile component in systems that interface with different logic levels.

Key Features:

• 4 high-current 3-state outputs can drive up to 15 LSTTL loads
• Wide operating voltage range of 4.5V to 5.5V
• Typical t_pd of 4.5ns
• Low power consumption
• Output Clamp Diodes
• Inputs compatible with various types of logic

In summary, the SN74F126NS is a reliable and versatile solution for designers looking to implement bus buffers with 3-state outputs in their digital systems. Its compatibility with different logic families and its high-performance attributes make it an excellent choice for a wide range of applications.