ON Semiconductor MC74LCX257M Quad 2-Input Multiplexer with 5V Tolerant Inputs

The ON Semiconductor MC74LCX257M is a high-performance CMOS quad 2-input multiplexer designed to meet the stringent requirements of high-speed data processing systems and telecommunications. This integrated circuit is part of the LCX family, which is known for its low voltage operation and 5V tolerant inputs, making it compatible with mixed-voltage systems.

Key Features

• Logic Type: CMOS
• Configuration: Quad 2:1
• Propagation Delay Time: Fast speed with a typical delay time of 4.5 ns at 3.3V
• Operating Voltage Range: 2.3V to 3.6V, with 5V tolerant inputs
• Current - Output High, Low: 24mA, 24mA
• Multiple Source Capability: Allows for the connection of multiple outputs without damage
• Power Down Protection: Provided on all inputs and outputs
• Package / Case: 16-SOIC

Product Description

The MC74LCX257M multiplexer provides one of two inputs to be selected and outputted on each of the four channels, controlled by the select inputs. The device can operate at a voltage range of 2.3V to 3.6V, ensuring low power consumption, which is crucial for battery-operated and power-sensitive applications. Additionally, the 5V tolerant inputs allow the device to be used in environments where interface with higher voltage levels is necessary without the risk of damage.

With its fast propagation delay and high output drive capability, the MC74LCX257M is suitable for driving heavy loads. It also features power down protection on inputs and outputs, which prevents any erratic behavior when the device is powered off. The IC is provided in a 16-SOIC package, which is widely used and suitable for automated assembly processes.

Overall, the ON Semiconductor MC74LCX257M is an excellent choice for designers looking for a reliable, high-speed multiplexer with the added benefit of 5V tolerant inputs. Its flexibility and protective features make it ideal for a variety of applications, including communication systems, data processing, and high-speed signal multiplexing.