IC 74153 DATASHEET PDF

TL F –1. Order Number DMQB FMQB DMJ. DMW or DMN. See NS Package Number J16A N16E or W16A. Function Table. datasheet, pdf, data sheet, datasheet, data sheet, pdf, National Semiconductor, Dual 4-Line to 1-Line Data Selectors/Multiplexers. The LSTTL/MSI SN54/74LS is a very high speed Dual 4-Input. Multiplexer with common select inputs and individual enable inputs for each section.

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In this chapter, we will examine the demultiplexers which are circuits dataseet function is opposite among that of the multiplexers. This one, carried to the state 1force the exit of the multiplexer corresponding to state 0 independently of the state of the other entries. The next theory will treat memories.

To contact the author. The not selected exits position with state 1.

Dual 4-Input Multiplexer

It now remains to carry the selected entries at the levels indicated in the last column. Electronic forum and Infos. Forms maths Dxtasheet Physics 1. Dtaasheet addition to the commutation of several logical signals, the multiplexer can be used to replace a network. Since all the combinations of the entries A, B, C and D are present in this equation, we can fulfill with this multiplexer any switching function comprising the same number of entries, that is to say 4.

One subjects the entry corresponding to the combination of the entries of order at the level wished at exit.

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(PDF) 74153 Datasheet download

The entries of ordering of the multiplexer become the entries of the network which one wants to carry out. This is made possible because the equation of the exit of a multiplexer reveals all the possible combinations of the entries of order.

The exit of the circuit is brought to the level H when at least two of the reversers are commutated on the positive tension. The combinative circuit which fulfills the function of the demultiplexer with 2 ways 47153 thus correspond to the truth table of figure In short, the logical data present on the entry of validation is acicular towards the exit selected by the entries of the decoder.

According to what was known as before, the four switches are connected to the four entries of order D, C, B, A of the multiplexer. Click here for the following lesson or in the synopsis envisaged dataheet this end.

The integrated circuit contains two multiplexers with 4 ways at entries of selection A and B communes. If one has the integrated circuitone can carry out the circuit of figure The diagram symbolic system and the mechanical equivalent of a demultiplexer with 2 ways are presented at figure To determine how to connect the sixteen inputs, it is enough to follow the described procedure and to build a table with sixteen lines like that of figure How to make a site?

Use of a decoder out of demultiplexer.

A circuit of this kind can be used for the indication of breakdowns, if for the counting of parts on a production line. The advantage of the multiplexer compared to the network of doors is obvious: The expressions and lead us to the logic diagram of figure Form of the perso pages. Return to the synopsis. Otherwise, it is necessary to turn to the demultiplexer integrated into 4 ways: It is noticed that the binary number formed by the state of the entries of selection B and A gives the decimal index of the exit concerned.

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We know that the majority of the decoders have their active exits at state 0 and their entry of active validation to state 0.

National Semiconductor

In the table of figure 35, the lines represented in red characters correspond if at least two of the entries of order are on the level H and for which the exit must thus be with the level H. For each combination of the entries of order, one defers in the column of the exit the state that this one must take. Static page of welcome. The circuit which results from it is deferred on figure One realizes that it is necessary to employ several types of doors, of the doors OR with 3 entriesa door OR at 2 entries and a door AND 4 entries.