The 74LVC257AD-T is a high-performance, quad 2-input multiplexer with 3-state outputs from NXP Semiconductors. This integrated circuit is designed to be utilized in applications requiring the selection or routing of data from two sources to a single output. It is part of the LVC family, which stands for Low-Voltage CMOS, indicating that the device operates at a lower voltage with a higher performance level compared to traditional CMOS devices.

This multiplexer is characterized by its ability to operate from a 1.2V to 3.6V power supply, making it suitable for interfacing with low-voltage logic levels while maintaining a 5V tolerant input for interfacing with 5V systems without the need for additional level shifters. The 74LVC257AD-T is also known for its high-speed performance, with a propagation delay typically less than 3.7ns when operating at 3.3V, allowing for fast switching between data sources.

Key Features:

• Wide Supply Voltage Range: 1.2V to 3.6V
• 5V Tolerant Inputs for interfacing with 5V logic
• High-Speed Operation: Propagation delay typically less than 3.7ns at 3.3V
• Low Power Consumption
• High Noise Immunity
• 3-State Outputs for bus-oriented applications
• Complies with JEDEC standard no. 8-1A
• ESD protection exceeds JESD 22
• Inputs accept voltages up to 5.5V
• Latch-up performance exceeds 100mA per JESD 78 Class II Level A
• Available in a standard SOIC-16 package

Applications:

The 74LVC257AD-T is ideal for a variety of applications where multiple data sources need to be routed to a single output. These applications include, but are not limited to, data multiplexing, signal gating, data routing, and function generation in systems such as:

• Telecommunications
• Computers and Computer Peripherals
• Networking Equipment
• Embedded Systems
• Consumer Electronics

Overall, the 74LVC257AD-T from NXP is a versatile and reliable component that offers the functionality needed for complex digital systems while ensuring compatibility with both low and standard voltage logic levels.