SN74LVC157AQPWREP - Texas Instruments

The SN74LVC157AQPWREP is a high-performance, quadruple 2-line to 1-line data selector/multiplexer from Texas Instruments, designed for use in military, space, and other high-reliability applications. This integrated circuit is part of the Enhanced Product (EP) portfolio, which ensures that it meets the stringent requirements of these demanding environments.

Constructed with advanced silicon-gate CMOS technology, the SN74LVC157AQPWREP offers optimal performance while maintaining low power consumption. It operates over a broad voltage range of 2.7 V to 3.6 V, making it compatible with a variety of systems and ensuring flexibility in design. The device's high-impedance state during power-up and power-down prevents erroneous switching, thus enhancing system stability.

The SN74LVC157AQPWREP features four multiplexers, each with two inputs and one output, allowing for efficient data routing and control. With a typical switching speed of just 4.5 ns, this device ensures rapid data selection and high-speed operation, which is critical in time-sensitive applications. The input and output structures support down-voltage interfacing, enabling seamless integration with other components in mixed-voltage systems.

Each multiplexer is equipped with its own select input, which determines which of the two data inputs is propagated to the output. An additional enable input allows the entire device to be disabled, placing the outputs in a high-impedance state. This feature is particularly useful for bus-oriented applications, where multiple devices may share a common data bus.

The SN74LVC157AQPWREP is provided in a compact, surface-mount TSSOP (Thin Shrink Small Outline Package) with 16 pins, ensuring a minimal footprint on printed circuit boards. Texas Instruments' commitment to quality is evident in the device's extended temperature range of -55°C to 125°C and its compliance with the Defense Logistics Agency (DLA) Standard Microcircuit Drawing (SMD). These characteristics make the SN74LVC157AQPWREP an excellent choice for designers seeking a reliable and versatile data selector/multiplexer for high-reliability applications.