SN74LVC2G126YEAR Dual Bus Buffer Gate with 3-State Outputs

The SN74LVC2G126YEAR from Texas Instruments is a high-performance, dual-line buffer gate that features 3-state outputs designed to be employed in a wide range of digital applications. This integrated circuit (IC) is part of the LVC family, which is known for its low-voltage operation and compatibility with mixed-voltage systems. The device is optimized for 1.65V to 5.5V V<sub>CC operation, making it suitable for interfacing with both 3.3V and 5V logic levels.

Each buffer of the SN74LVC2G126YEAR is equipped with a separate output-enable (OE) input, which, when high, disables the output stage by placing it in a high-impedance state. This feature allows for the connection of multiple outputs to a common bus line without the risk of bus contention. When OE is low, the respective buffer's output is active and reflects the input data. The 3-state outputs also enable efficient data flow control and support the implementation of multiplexed buses.

The IC's small footprint is provided by the compact 8-pin YEA (DSBGA) package, which is ideal for space-constrained applications. The SN74LVC2G126YEAR is characterized for operation from -40°C to +85°C, ensuring reliable performance across a broad range of temperature conditions.

Key features of the SN74LVC2G126YEAR include:

• Support for 5V tolerant inputs, which facilitates interfacing with legacy logic levels without the need for additional level shifters.
• Low dynamic power consumption, with a balance of high speed and low power that is typical of the LVC family.
• IOFF support, which ensures that the device is disabled during power down to prevent damaging current backflow through the IC.
• ESD protection exceeding JESD 22, ensuring robustness and longevity in harsh electrical environments.

This dual bus buffer gate is an ideal choice for applications that require buffering with 3-state output control, such as bidirectional communication interfaces, memory address drivers, and data transmission lines. Its high drive strength and wide operating voltage range make it a versatile component in modern digital systems.