ON Semiconductor 74F257ASJ Quad 2-Input Multiplexer

The ON Semiconductor 74F257ASJ is a high-performance, fast-switching quad 2-input multiplexer that provides the function of four individual 2-input multiplexers in a single package. This device is designed for use in applications requiring a high-speed multiplexing of digital signals. It is particularly useful in the implementation of signal routing, data selection, and communication systems where speed and reliability are critical.

Each multiplexer has two select inputs (S0 and S1), four data inputs (0A, 0B, 1A, 1B, 2A, 2B, 3A, 3B), and one output (Y). The select inputs determine which of the data inputs are connected to the corresponding output. When the select inputs are at a low state, the ‘A’ inputs are selected, and when high, the ‘B’ inputs are connected to the output.

The 74F257ASJ features a 3-state output, which allows for multiple units to be connected to the same output bus, providing a highly flexible and expandable data routing solution. This output can be placed in a high-impedance state, effectively disconnecting the output from the bus, which is particularly useful in shared-bus applications.

Manufactured with ON Semiconductor's advanced technology, the 74F257ASJ offers a robust design with high noise immunity and low power consumption. Its fast switching capability ensures minimal propagation delays, making it an excellent choice for high-speed data processing and communication systems.

The device is packaged in a standard 16-pin SJ package, which is compatible with a wide range of PCB layouts and is easy to integrate into existing designs. The 74F257ASJ operates over a wide temperature range, making it suitable for industrial and commercial applications where environmental conditions may vary.

In summary, the ON Semiconductor 74F257ASJ is a versatile and high-performance quad 2-input multiplexer that offers fast switching, low power consumption, and high noise immunity for various digital multiplexing applications. Its 3-state outputs and wide operating temperature range make it a reliable and flexible solution for designers looking to optimize their digital signal routing needs.