SN74LV125AD Quad Bus Buffer Gate from Texas Instruments

The SN74LV125AD is a high-performance, quadruple bus buffer gate featuring independent line drivers with 3-state outputs. Manufactured by Texas Instruments, this integrated circuit is designed to effectively drive loaded bus lines or buffer memory address registers. Each output is disabled when the associated output-enable (OE) input is high.

To ensure the high-speed propagation of signals, the SN74LV125AD operates at a voltage range of 2 V to 5.5 V, allowing it to be used in various logic systems and making it compatible with TTL logic levels. This versatility is further enhanced by the device's ability to support mixed-voltage mode operation, which is essential for interfacing between different logic levels within a system.

Each buffer of the SN74LV125AD has a specific output-enable (OE) input that, when high, puts the output in a high-impedance state. This 3-state functionality allows for connection to a bus-structured system without the risk of back-driving onto the bus, which is crucial for preventing damage and ensuring proper data flow in complex circuits.

The device comes in a 14-pin SOIC (Small Outline Integrated Circuit) package, making it a compact solution for space-constrained applications. The SN74LV125AD is characterized for operation from -40°C to 85°C, ensuring reliable performance across a wide range of environmental conditions.

Key features of the SN74LV125AD include:

• Support for 2 V to 5.5 V V_CC operation.
• High drive capability, with outputs that can sink or source up to 24 mA at 5 V.
• Low power consumption, with typical t_pd of 4.5 ns.
• Inputs accept voltages up to 5.5 V, allowing for down translation to V_CC.
• Maximum ICC of 8 μA, providing power conservation in standby mode.
• ESD protection exceeds JESD 22, ensuring robustness for handling and assembly.

Overall, the Texas Instruments SN74LV125AD is a reliable and flexible component for designers who require a quad bus buffer gate with 3-state outputs. Its performance and integration features make it ideal for a wide range of applications, including driving bus lines, buffering, and interfacing in digital systems.