STMicroelectronics 74LCX257MTR Quad 2-Input Multiplexer

The 74LCX257MTR is a high-performance, quad 2-input multiplexer from the renowned semiconductor manufacturer, STMicroelectronics. This device is designed to select one of two inputs for each multiplexer by responding to the common select input. The low-voltage operation and output drive capability make it an ideal choice for interfacing with 3.3V and 5V systems.

Key Features

• Low Voltage Operation: The 74LCX257MTR operates at a low voltage range of 2.3V to 3.6V, which is beneficial for battery-operated and power-sensitive applications.
• 5V Tolerant Inputs: Inputs can tolerate 5V, allowing the multiplexer to be used in mixed-voltage environments without the need for additional level shifters.
• High-Speed Operation: The device is capable of fast switching, which is essential for high-speed data processing and communication systems.
• Power-Down High Impedance Inputs and Outputs: This feature allows for the safe sharing of buses without the risk of back-driving when the device is powered down.
• Low Quiescent Current: The multiplexer has a low ICC of 4µA (max) which contributes to the overall energy efficiency of the system it's integrated into.
• Drive Capability: Capable of driving 24mA at the outputs, the 74LCX257MTR can drive multiple loads or long traces with ease.

Applications

The 74LCX257MTR is versatile and can be used in a variety of applications, such as:

• Data routing and signal gating
• Function generation
• Communication systems
• Computer peripheral interfacing
• Control systems

Package and Quality

The device is available in a TSSOP package, which is suitable for surface-mount technology (SMT) and offers a compact footprint for space-constrained applications. STMicroelectronics is committed to high-quality standards and the 74LCX257MTR is no exception, ensuring reliable performance across its operational range.

With its combination of features, the 74LCX257MTR from STMicroelectronics is an excellent choice for designers looking for a low-voltage, high-speed multiplexer with 5V tolerant inputs.