Quad 2-line to 1-line Data Selectors/multiplexers. This X24C02 device has been acquired by IC Microsystems Sdn Bhd from Xicor, Inc. The X24C02 is. The LSTTL / MSI SN54 / 74LS is a high speed Quad 2-Input Multiplexer. Four bits of data from two sources can be selected using the common Select. S, 1 •, 16, Vcc. 1I0, 2, 15, E. 1I1, 3, 14, 4I0. 1Y, 4, 13, 4I1. 2I0, 5, 12, 4Y. 2I1, 6, 11, 3I0. 2Y, 7, 10, 3I1. GND, 8, 9, 3Y. Pin, Symbol, Description. 1, S, common data.

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Return to the synopsis. When this entry is with state 1it is the data Bi which is transferred in Yi. A binary comparator is a 741157 circuit which carries out the comparison between 2 generally noted binary numbers A and B.

## Quad 2-line to 1-line data selectors / multiplexers 74157

All these considerations are translated in the truth table of figure Click here for the following lesson or in the synopsis envisaged to this end. A multiplexer can thus switch data made up of several bits. In general, the selected entry carries in index the state corresponding to the combination of the entries of order. Electronic forum and Infos. Form of the perso pages. The integrated circuit is a comparator 4 bitsi. If a multiplexer has n input, it is said that it is about a multiplexer with n ways.

Forms maths Geometry Physics 1.

### Binary Comparators CI , Multiplexers CI

High of page Preceding page Following page. Let us examine simplest of the multiplexers, that with 2 ways. Using one or 71457 entries of order, one switches one of the inputs towards the exit.

Dynamic page of welcome. The number of the entries of order is a function of the number of ways of the multiplexer. This table, one can extract the equation from the exit S following: We deduce the equation from it from S following: Thus, one can compare numbers of 8, 12, 16 bits….

These circuits have several inputs and only one exit. The number of the inputs of a multiplexer defines the number of ways of a multiplexer. Figure 25 gives the diagram symbolic system and the mechanical equivalent of a multiplexer to 2 ways. That is translated in the table of figure Static page of welcome. The stitching of this circuit is given on figure 21, while figure 22 represents its logic diagram.

By putting in series two comparatorsone can compare two numbers of 8 bits. How to make a site?

Its equation is thus A. For example for a multiplexer with 4 waysone needs 2 entries of order. Electronic forum and Poem. To contact the author.

According to the state of the entry of selection Athe exit S recopy either the D0 entry, or the D1 entry.

### – Quad 2-input multiplexer – ChipDB

The first circuit compares the weak weights of A with the weak weight of B. That is to say to compare the two binary digits A and B.

In this chapter, we will examine logical circuits very much used to switch data: The jc network of figure 26 can provide the signal S. The stitching and the logic diagram of this circuit are given on figure The integrated circuit is a quadruple multiplexer with 2 ways at entry of common selection. We will see how to produce using logical doors a comparator of 2 binary digits.

Figure 29 represents the diagram symbolic system and the mechanical equivalent of a multiplexer with 4 ways. A multiplexer can be compared with a mechanical switch.