74ACT258PC

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The 74ACT258PC is a quad 2-line to 1-line data selector/multiplexer designed for use in fast data-path and bus organization applications. It combines four independent 2-line to 1-line data selectors/multiplexers with the “true” and “complement” outputs for each multiplexer fabricated on a single monolithic chip in a 20-pin package.

The four multiplexers can both select one bit of data from two sources and multiplex two bits of data onto one line. The control inputs, common to all four multiplexers, can be wired permanently to VCC or GND.

The 74ACT258PC is suited for use in applications such as general purpose multiplexing, implementing digital logic functions such as logic gates and flip-flops, control systems and digital data processing. It is frequently used as a decoder for addressable memory in microprocessors, or as a combinatorial data selector or multiplexer in digital systems.

The 74ACT258PC is comprised of four 2-input multiplexers. Each multiplexer receives two data inputs, vee (V), wag (W) and a common select input (S). The select input is used to choose between the two data inputs. When the select input is low, the V data input is selected. When the select input is high, the W data input is selected. The 74ACT258PC also includes four towers which provide both “true” and “complement” output signals for each multiplexer. The “true” output is the same as the selected data input and the “complement” output is the inverse of the selected data input.

The 74ACT258PC is a very versatile device, as its ability to select between two data sources and multiplex two data sources onto one line gives it multiple applications for fast data-path and bus organization. It is used in a variety of situations, such as digital logic gates and flip-flops, control systems, memory decoders and data processing. Its high speed (maximum frequency of 30 MHz) and low power consumption make it one of the most popular multiplexer chips available today.

The 74ACT258PC is a great choice for fast, low-power data path and bus organization applications. Its versatile design allows it to be used in a variety of applications, such as digital logic gates, control systems, memory decoders and data processing. The “true” and “complement” outputs for each multiplexer make it a great choice for applications where fast and accurate data processing is needed. The chip’s high speed and low power consumption are also attractive features.

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