Texas Instruments CD Latches are available at Mouser Electronics. Mouser offers inventory, pricing, & datasheets for Texas Instruments CD Latches. Quad R/S latch with 3-state outputs. Rev. 11 — 24 March Product data sheet. Table 1. Ordering information. All types operate from °C to +85 °C. CD datasheet, CD circuit, CD data sheet: FAIRCHILD – Quad 3- STATE NOR R/S Latches. Quad 3-STATE NAND R/S Latches,alldatasheet.

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A couple of other options for “radio buttons”. Dec 19, 2, If you cd0443 at the truth table of CD I would spare the fixed via to the enable having it routed to the MCU and used to control the reset AND the enable itself and would have all the resets linked together in a clean way. Below is part of the circuit with the switches.

Led light controlled by dmx Posted by charles01 in forum: For this to work you need a pull-down resistor on every output. It is the least I can do for all the help. C6 goes from the IC out to ground. Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies. You matter to me!

With all these invisible radio frequencies flying through the air, we should know a little bit about what exactly they are!

Thanks for your input! Historical anecdotes on my other uses for RS latches. The main use is for channel switching I say main becuase when the amp is in manual mode, the buttons control other things but this mod is for channel indicators It is connected via a TRS plug basic 3-connductor stereo plug S1 switch is for changing the bank Red or Green LED and the CH is for the different channels the amp can store 4 channels per each of the two banks Changes the voltage of the signal line S 3.


I would prefer a non-toggle action. Dec 15, 9. The CD is indeed the one I have in the design now. Sign up using Facebook. So moving those diodes and disconnecting the D and barQ will make it pretty much the same as Ken’s diagram if I’m not mistaken aside from the output datssheet. No system this complex has shown up on this site. Looked at quad switch ICs but those seem to be like independent switches where you can have more than one on at a time.

Zio Stampella 8 3. I have toyed briefly with the possibility to use the Enable line, but was not cd40043 if it would have cleared the latched states. Dec 15, Can’t yet wrap my head around applying a D or JK that way. Dec 8, 1.

CD Datasheet, PDF – Alldatasheet

Any help is appreciated. Is there a reason why you have to use the fewest ICs? Following up my previous comment: Quote of the day. I always believed it was easier to search from something when you know the technical term. Home Questions Tags Users Unanswered.

Looks like an SR is my only choice here, but my brain is just a drop of the ocean.

LED selection indicators controlled by multiple switches

Dec 10, 5. You May Also Like: You can derive a similar deduction for CD No, create an account now. I will have to look at these shematics some more later. By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies. Look for “Wake-up on pin change”, not interrupt. Once you correct that, can you go through exactly what the circuit is supposed to do? Basically the MCU would read these lines at regular intervals minutes?


I might stick with the because it uses only one IC chip.

Any way, take into account that the SNN has been obsolete for 25 years, its not a good idea to even consider that part for datahseet new design. Thanks a ton for everyone’s help!! Happened on this board while searching the internet with no luck. That second schematic is kinda like what tkng posted with my inquiry of having the resets run off the switches instead of the output.

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I had no clue the other way wouldn’t work. Enric Blanco 4, 5 11 Just out of curiosity, would it be possible to do the same thing by running that reset signal from the SW1 instead of Q? Dec 10, 4. I would disagree, but Eatasheet may be missing the picture here. R3 was moved to the right just to clear up some clutter.