74HC138 PDF

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The ‘HC, ‘HC, ‘HCT, and ‘HCT are high speed silicon gate CMOS decoders well suited to memory address decoding or data routing applications. C. • Balanced Propagation Delay and Transition Times. • Significant Power Reduction Compared to LSTTL. Logic ICs. • HC Types. – 2 V to 6 V Operation. 3-to-8 Line Decoder/Demultiplexer. Specifications. The MM74HC decoder utilizes advanced silicon-gate CMOS technology and is well suited to memory.

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Help needed: Alter simple circuit with 74HC138

I really appreciate your 74nc138. You May Also Like: Sep 25, 4. Sep 24, 4 0. And I guess it would be the simplest way of dealing with this. 74hc18 with simple circuit Hi there, I’ve just begun studying digital electronics, and I have to do a small project. A team of physicists from the Hebrew University of Jerusalem in Israel have developed a single photon source that is not only compact, but also operates at ambient temperatures. Thanks, actually I did think of that solution being a possibility.


Do you already have an account? Sep 28, See what inverting the address bits does for you. Someone told me I should look into using multiple 74HC’s to produce the outcome but it 74h138 seem obvious to me at this point How can I get the output I want using a minimal amount of components?

Take another look at the truth table.

Help needed: Alter simple circuit with 74HC | All About Circuits

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Help needed with a simple radio circuit Posted by AlwaysNumber1 in forum: Or have 8 independent outputs from the processor, if they’re available. Or get rid of the 74HC and use a 74HC instead. I’m not sure yet which components I have access to besides the 74HC and some simple logic gates, but any suggestions is very much welcome at this point. You could do it via a matrix of diodes, but that’s cheating.

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Sep 28, 9. Alter simple circuit with 74HC Reply to Thread. There are at leastresults, some with detailed descriptions and circuit diagram. I’m also 74hc38 the 3-bit signal from a micro controller so any changes to the bit-combination is also possible. Yes, my password is: And that’s not really the output I want.

Sep 25, 6. Inverting the address bits?? I’ve verified that I have access to theand I’ve looked at the ‘s datasheet but can’t see how I’m suppose to implement it.

Understanding Actuation and Voltage Polarity This technical brief will explore some fundamental details related to solenoid operation and implementation. Posted by rochler in forum: Help With Simple Circuit Posted by tim.

Thank you for the answers. Apr 20, 15, What will the circuit look like and how does the input values match the output on the LEDs?