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. In general, the selected entry carries in index the state corresponding to the combination of the entries of order.

The stitching of this circuit is given on figure 21, while figure 22 represents its logic diagram. Using oc or several entries of order, one switches one of the inputs towards the exit.

Forms maths Geometry Physics 1. Form of the perso pages.

### Binary Comparators CI , Multiplexers CI

The combinative network of figure 26 can provide the 741577 S. A multiplexer can be compared with a mechanical switch. Figure 29 represents the diagram symbolic system and the mechanical equivalent of a multiplexer with 4 ways.

All these considerations are translated in the truth table of figure Thus, one can compare numbers of 8, 12, 16 bits…. The first circuit compares the weak weights of A with the weak weight of B.

How to make a site? We will see how to produce using logical doors a comparator of 2 binary digits. Electronic forum and Poem. Electronic forum and Infos. To contact the author. Let us examine simplest of the multiplexers, that with 2 ways.

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

A binary comparator is a logical circuit which carries out the comparison between 2 generally noted binary numbers A and B. This table, one can extract the equation from the exit S following: If a multiplexer has n input, it is said that it is about a multiplexer with n ways. These circuits have several inputs and only one exit. Static page of welcome. The number of the entries of order is a function of the number of ways of the multiplexer.

That is translated in the table of figure Figure 25 gives the diagram symbolic system and the mechanical equivalent of a multiplexer to 2 ways. Dynamic page of welcome. Its equation is thus A. The number of the inputs of a multiplexer defines the number of ways of a multiplexer.

That is to say to compare the two binary digits A and B. The stitching and the logic diagram of this circuit are given on figure We deduce the equation from it from 7417 following: The integrated circuit is a quadruple multiplexer with 2 ways at entry of common selection. In this chapter, we will examine logical circuits very much used to switch data: The integrated circuit is a comparator 4 bitsi.

A multiplexer can thus switch data made up of several bits. By putting in series two comparatorsone can compare two numbers of 8 bits. High of page Preceding page Following page. Click here for the following lesson or in the synopsis envisaged to this end. For example for a multiplexer with 4 waysone needs 2 entries of order. When this entry is with state 1it is the data Bi which is transferred in Yi. According to the state of the entry of selection Athe exit S recopy either the D0 entry, or the D1 entry.