M74HC42B1R

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M74HC42B1R is a logic-signal switch, multiplexer and decoder integrated circuit (IC). It was introduced by Philips Semiconductor (now NXP). It functions as a 3:8, low-voltage, high-speed, multiple-input multiplexer/ Demultiplexer (DEC). The device is offered in an 8-pin DIP (dual inline package) and is capable of handling up to 8-bit digital logic signals.

The device has three inputs, A, B and C., which are used to select one of eight output lines (Y1-Y8). Outputs Y1-Y8 can be set according to the state of its input selector switches A and B. The logic state of the output data selection is determined by the value of input line C.

M74HC42B1R features differential input voltage noise immunity, high speed operation, and high power dissipation. The device also features a wide logic supply range of 2 V to 6 V and an absolute maximum rating of 7 V.

The working principle of M74HC42B1R involves the generation of signals across its three input lines A, B and C. When A and B are both at a logic high level, the output is given by the logic state of C. When A and B are not both at the logic high level, the output is determined by the combination of A, B and C.

The primary application fields for the M74HC42B1R are in digital logic circuits as well as in communications and wireless networks. It is commonly used in data signals switching, memory devices, microprocessors, transceivers, mobile phones, and computer systems. It can be used to determine the destination of data in a multiplexer system, switch the voltage supply of an application, or decode the incoming digital address.

M74HC42B1R is a reliable logic-signal switch, multiplexer, and decoder device that provides applications with high speed and accurate switching. Its wide logic supply range and wide range of application fields make it one of the most widely used logic-signal switch, multiplexer, and decoder ICs on the market.

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