The PI74FCT157CTWX is a high-speed Quad 2-Input Multiplexer manufactured by Pericom Semiconductor (now Diodes Incorporated). It is designed for selecting one of two data sources for routing to an output in high-performance digital systems.

Applications

• Data selection and multiplexing
• Logic function generation
• Memory address selection
• Peripheral selection
• Routing data between different system components

Features

• Quad 2-input multiplexer
• High-speed operation
• Low power consumption
• Three-state outputs
• TTL compatible inputs
• Available in SOIC package

Benefits

• Efficient data selection
• Flexible data routing capabilities
• Reduced power consumption
• Minimized bus loading with three-state outputs
• Direct interface with other logic devices

Additional Details

The PI74FCT157CTWX is a quad 2-input multiplexer, meaning it contains four independent 2-to-1 multiplexers within a single package. Each multiplexer selects one of two data inputs based on the select input (S). The selected data is then routed to the corresponding output. The device features three-state outputs, allowing it to be easily connected to a shared bus without causing bus contention when the device is not actively driving the bus. The three-state outputs are controlled by an output enable (OE) input; when OE is low, the outputs are enabled, and when OE is high, the outputs are in a high-impedance state.

Designed for high-speed operation and low power consumption, the PI74FCT157CTWX is suitable for a wide range of applications in digital systems. The TTL-compatible inputs ensure easy interface with other logic devices. The availability in a SOIC package allows for high-density board designs. The multiplexer is commonly used in applications such as data selection, logic function generation, and memory address selection. The high-speed characteristics allow for its use in high-performance systems requiring quick data routing. The integration of four multiplexers in a single package helps to minimize component count and board space, leading to a more compact and efficient design.