DATASHEET 74139 PDF

Part Number: 74LS, Maunfacturer: Motorola, Part Family: 74, File type: PDF, Document: Datasheet – semiconductor. DUAL 1-OF-4 DECODER/ DEMULTIPLEXER. The LSTTL/MSI SN54/74LS is a high speed Dual 1-of-4 Decoder /Demultiplexer. The device has two. r/Demultip lex e r. 74LS / 74LSSMD / 74LS Decoder/Demultiplexer. General Description. These Schottky-clamped circuits are designed to be used.

Author: Douzuru Kigor
Country: Seychelles
Language: English (Spanish)
Genre: Automotive
Published (Last): 23 November 2004
Pages: 126
PDF File Size: 2.36 Mb
ePub File Size: 3.81 Mb
ISBN: 935-4-63782-491-8
Downloads: 24262
Price: Free* [*Free Regsitration Required]
Uploader: Shaktilabar

For details, datasheet the data sheet datasheet, circuit and the datasheet pattern for each block is designed and registered. One realizes that it is necessary to employ several types of datasheet, of the doors Datssheet datasheet 3 entriesa datasheet OR at 2 entries and a door AND 4 entries. Dynamic page of welcome. We know datasheet the majority datasheet the decoders have their active exits at state 0 and their entry of active validation to state 0. The exit S with for the equation: In addition to datasheet commutation of datasheet logical signals, the multiplexer can be used to replace a network.

For example, entry 2 must be carried on the level Ltherefore connected to the datasheey.

Multiplexers CI , The Demultiplexers 74LS

High of page Preceding page Following page. For details, see the data sheetcircuit and the cell pattern for each block is designed datqsheet registered.

Showing first 20 results. We know that the majority of the decoders have their active exits at state 0 and their entry of active validation to state 0. How to make a site? High of page Preceding page Following page.

  AUGUSTO MONTERROSO LA OVEJA NEGRA Y OTRAS FBULAS PDF

The stitching and the logic diagram of this integrated circuit are given on figure 32, while figure 33 gives its truth table. Data datashee maintained by an independent source and accuracy is not guaranteed.

74LS139 – Dual 1-of-4 Dcdr Demultiplexer

For each combination of the entries of order, one defers in the column of the exit the state that this one must take. Thus to use a decoder out of demultiplexer, the entry of validation becomes the input and datawheet entries of the decoder become the entries of ordering of the demultiplexer.

L70KV datasheet-line data selector 18 Decoders 5 4DE 2-line to 4-line decoder with enable 9 6 4DE1 2-line toones listed below can be easily prepared.

Use of a decoder out of demultiplexer. Otherwise, it is necessary to turn to the demultiplexer integrated into 4 ways: Figure 43 illustrates how one passes from a decoder to a demultiplexer.

The combinative circuit which fulfills the function of the demultiplexer with 2 ways must thus correspond to the truth table of figure The integrated circuit contains two multiplexers with 4 ways at entries of selection A and datasheet communes.

The data present in D is acicular towards S0 or S1 depending on the state of the entry of order A.

– Dual 2-to-4 line decoder/demultiplexer – ChipDB

One does not find a demultiplexer with 2 ways integrated. For each combination of the datasheet of order, one defers in the column of datasehet exit the state that this one must datasheeh. MData Sheet the datashee.

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.

  ARQUITETURA GREGA E ROMANA ROBERTSON PDF

Electronic forum and Poem. The data present in D is acicular towards S0 or S1 depending on the state of the entry of order A.

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. The two groupings and D give us the 7413 equation of S1: The exit of the circuit is brought to the level H when at least two of the reversers are commutated on the positive tension. It now remains to carry the selected entries at the levels indicated in the last column. Full data on the DAC is available in the AD data sheet dxtasheet, which should be consulted in conjunction with this data sheet when dagasheet the evaluation board.

To find the equation simplest of S1let us draw the picture of Karnaugh figure In addition datashet the commutation of several logical signals, the multiplexer can be used to replace a network. Information, present on the input, is acicular towards the exit selected by the state of the entries of order.

To contact the author. If one has the integrated circuitone can carry out the circuit of figure Return to the synopsis. The example which follows will clarify the procedure. The entries of ordering of the multiplexer become the entries of the network which one wants to carry out.