ON Semiconductor MC74AC257DR2 Quad 2-Input Multiplexer with 3-State Outputs

The MC74AC257DR2 is a high-performance, quad 2-input multiplexer from ON Semiconductor that features 3-state outputs designed to meet the demanding requirements of multiplexing applications. This integrated circuit is part of the AC series, which is renowned for its high-speed operation and compatibility with TTL (Transistor-Transistor Logic) levels.

Each multiplexer has two inputs, a common data select input, and a non-inverting 3-state output. The MC74AC257DR2 allows for the selection of one of two data sources for each output by controlling the select input. The 3-state output feature enables multiple devices to be connected to a common bus, providing a high level of flexibility and ease of use in bus-oriented systems.

The device is packaged in a space-saving SOIC-16 package, making it ideal for use in systems where board space is at a premium. The MC74AC257DR2 operates over a broad voltage range of 2V to 6V and offers low power consumption, which is critical for battery-operated and power-sensitive applications.

Key features of the MC74AC257DR2 include:

• Logic Type: Multiplexer
• Number of Circuits: 4
• Number of Inputs: 2 per multiplexer
• Output Type: 3-State
• Operating Voltage: 2V to 6V
• Package / Case: SOIC-16
• Operating Temperature: -55°C to +125°C

With its fast switching speeds and low quiescent current, the MC74AC257DR2 is suitable for a variety of applications, including data routing, signal gating, and the merging of multiple sources onto a single output line. Its robust design ensures reliable performance in the most challenging environments, making it an excellent choice for industrial, automotive, and telecommunications systems.

ON Semiconductor's commitment to quality ensures that the MC74AC257DR2 meets stringent industry standards for performance and reliability. Whether used in complex digital systems or simple logic circuits, this multiplexer stands out as a versatile component that can significantly enhance system functionality and efficiency.