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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Dec 16, The most complex part by design is planned to be the MCU.

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I would prefer a non-toggle action. It is the least I can do for all the help. A couple of other options for “radio buttons”. I always believed it was easier to search from something when you know the technical term. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

Just out of curiosity, would it be possible to do the same thing by running that reset signal from the SW1 instead of Q? Led light controlled by dmx Posted by charles01 in forum: Any help is appreciated. I think I will have to stick with that option for now. Post as a guest Name. Zio Stampella 8 3. Sign up using Email and Password. Just wanted to update on this project.

I had a sync. The way I plan to implement it the MCU could well stay sleeping all dqtasheet day, until the measurements are taken and the SR reset. C6 goes from the IC out to ground. Thanks for your input! With all these invisible radio frequencies flying through the air, we should know a little bit about what exactly they are! The switch should be connected directly to the IC1 out line and not ground. Hi, thanks for the reply!


MCU, comms module and voltage regulation sections. R3 was moved to the right just to clear up some clutter.

LED selection indicators controlled by multiple switches | All About Circuits

Comments like these are one cd403 the many reasons for which I regret skipping all the theory in the electronic classes and being in the first datashedt only when there was the risk to toast stuff. Switches controlled by MCU Posted by drevilz in datasyeet While not the ideal for the approach here simple, cheap and reliable circuit, with only the MCU as “critical complexity”I believe that your comment may deserve an answer by itself for posterity.

Always have one LED on. So moving those diodes and disconnecting the Cd4034 and barQ will make it pretty much the same as Ken’s diagram if I’m not mistaken aside from the output transistors. Multiple LEDs each controlled by a button Posted by hbim in forum: Once you correct that, can you go through exactly what the circuit is supposed to do? I was looking on Mouser to see what was available.

Dec 19, 2, Many thanks to the both of you for your help! I want to keep it flexible, both capability and power-usage wise and this requires balance.

LED selection indicators controlled by multiple switches

I have toyed briefly with the possibility to use the Enable line, but was not sure if it would have cleared the latched states. Don’t worry about the mistake.


Dec 11, 6.

Actually, the second one is pretty much the same as tkng’s. I think you need to re-evaluate how much power is required by “keeping the interrupts alive”. I would disagree, but I may be missing the picture here. While this is not a huge problem to solve and still match my requirements, the resulting design is not as clear as it would be with a single Reset and the density is lower, requiring me to use more ICs. Dec 17, Got some parts in today datashewt test and a new solderless breadboard I have wanted cd44043 get one for years.

Thanks a ton for everyone’s help!! Jan 7, For this reason is important that the circuit is able to record a state change even if brief without any clock or external cd403.

Thanks for all your help so far sorry for the long winded thesis below Finally got more specifics on the circuit I’m modding. You can use RS flip flop or D flip flop to make a circuit for the requirement. Sign up using Facebook. You will then need pull-ups on every output instead of pull-downs, so just use the pull-ups of the MCU inputs by configuring it accordingly.

I think around 2. Yeah, looked at the D and JK logic, but that would require providing clock and wouldn’t be an “unattended” design as I plan to implement.