Order number 54154dmqb 54154fmqb dm54154j or dm74154n. The datasheet of these components is always the key to the correct. National semiconductor 74154 decodersdemultiplexers. The multiplexerdemultiplexer ic data transfer circuit. So theory will cover only the theory which explains the basic functionality of the working of a demultiplexor. So putting not gates between them is actually a mistake. Sn74154n texas instruments integrated circuits ics. Function tableinputsoutputsg1g2dcba0123456789 datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits. Technical data sheet 5 mm round white led t1 34 preliminary 33415t1c14wya everlight electronics co. If the installed ic is the max7412max7415 or max7422max7425, connect the positive terminal of the 3v supply to the vdd pad and the negative terminal of the supply to the gnd pad closest to the vdd pad see figure 1. Nsc 4line to 16line decodersdemultiplexers,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. It provides, in one package, the ability to select one bit of data from up to eight sources. Data selectorsmultiplexers data selectorsmultiplexers.
Design a circuitboard based on a 74154 4 line to 16 line decoder that will output a high henever the 4 bit binary is greater than 12 and output a low when it is less than 12 or equal to 12. Features and benefits mechanical data ordering information. Revised may 1995 post office box 655303 dallas, texas 75265 1 meets or exceeds the requirements of ansi eiatia232e and itu recommendation v. This applet shows the internal structure of the ttlseries 74154 decoder integrated circuit, which switches the g input onto 1 out of 16 outputs selected by the 4bit address specified by the d,c,b,a inputs when used as an address decoder, the g1 and g2 inputs are simply connected to ground, implying that exactly one of the 16 output lines will be zero.
The actual implementation of the chosen ic has active low outputs. Why is the output in the truth table inverted in a ic. National semiconductor corporation 74154 datasheet. General purpose plastic rectifier vishay intertechnology. Symbol 1n4001 1n4002 1n4003 1n4004 1n4005 1n4006 1n4007 unit. Pricing and availability on millions of electronic components from digikey electronics. This data sheet and its contents the information belong to the members of the premier farnell group of companies the group or are licensed to it. Ttl transistortransistor logic integrated circuits have clearly achieved that eminence. If its not shown correctly, click here to open the file on a separate window. The 2to4 decoder has an active low output, and the enable of the 74154 is low too. The two buffered outputs present data in the true noninverted form.
The ls151 can be used as a universal function generator to generate any logic function of four variables. I told you to add the missing not gate for the last 74154 ic, but on second thought, you dont need the not gates at all. Absolute maximum ratings noteif militaryaerospace specified devices are requiredplease contact the national semiconductor salesofficedistributors for availability and specificationssupply voltage7vinput voltage55voperating free air temperature rangedm54 and 54 datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and. Multiplexer is a combinational circuit that is one of the most widely used in digital design. Nsc, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Average operating current can be obtained by the following equation. Page 2 of 2 germanium glass diode 1n34a dimensions in how to contact us. So we cannot process or ship any order untill 3rd may. The multiplexer is a data selector which gates one out. These demultiplexers are ideally suited for implementing highperformance memory decoders. This universal video amplifier is intended as a buffer. When either strobe input is high, all outputs are high. Axial lead solderable per milstd202, method 208 guaranteed. Design and implement computational function using mux ic 74151.
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