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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Email Required, but never shown. ON part of the switch is not used but has Vo I could split the poles having 2 isolated switches and connect per original idea. 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.

Tony EE rocketscientist You can use RS flip flop or D flip flop to make a circuit for the requirement. Hi, thanks for the reply! Dec 15, I’ll do a little testing to measure current draw and should be ready for vatasheet perfboard.

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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.

Sign up using Email and Password. No system this complex has shown up on this site. I always believed it was easier to search from something when you know the technical term.

Since it is regulated datasgeet is what the rest of the datashet run off, I was going to use the 3. As has been said, you can make this function from more 74HCT-etc gates.


CD Datasheet Fairchild Semiconductor pdf data sheet FREE from

I would prefer a non-toggle action. Comments like these are one of the many reasons for which I regret skipping all the theory in the electronic classes and being in the first line dstasheet when there was the risk to toast stuff.

I remember seeing info in the CD datasheet on the CD? No, create an account now. That second schematic is kinda like what tkng posted with my inquiry of having the resets run off the switches instead of the output. Following up my previous comment: SNN simply has cd40443 of its reset inputs internally connected.

I thought the IC could handle 10mA.

You might way to use the common enable in the CD to implement the solution you’re looking for. Actually, the second one is pretty much the same as tkng’s.

CD Datasheet PDF Fairchild Semiconductor –

Thanks again for your help! It datasheer the least I can do for all the help. Thank you all for your help! Dec 17, Most MCUs inputs can’t be configured with internal pull-downs, only with pull-ups. Given the available info, this is probably the correct answer. A datashete change on the inputs would wake the MCU – whereupon it reads the inputs and then goes back to sleep. Quote of the day. Got some parts in today to test and a new solderless breadboard I have wanted to get one for years.

Thanks for the update.

I had no clue the other way wouldn’t work. I would probably need to contemplate it for quite some time to fully grasp it. Is the enable line capable of effectively “resetting” the latches?


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By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. However the doubt stand. But I guess that the restrictions were far more The way I plan to implement it the MCU could well stay sleeping all the day, until the measurements are taken and the SR reset. LED selection indicators controlled by multiple switches Reply to Thread. LED Indicators Posted by opalloyd in forum: There’s a good chance that quiescent current added to the system by an extra logic IC would be greater than the current consumed by the MCU waking up and executing a handful of instructions.

Led light controlled by dmx Posted by charles01 in forum: 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.

Looks like an SR is my only choice here, but my brain is just a drop of the ocean. Path-wise, the design difference wouldn’t datasbeet enormous, but would still be an improvement: 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.

See line 1 of the question, it suggests the OP’s considered that. Just wanted to update on this project.

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