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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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. Historical anecdotes on my other uses for RS latches.

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. I always believed it was easier to search from something when you know the technical term. I will let you know how it turns out once I can get someone to test it. Many thanks to the both of you for your help! I had a sync. I would disagree, but I may be missing the picture here.

CD Datasheet Fairchild Semiconductor pdf data sheet FREE from

Why does this work? On processors such as the Atmel AVR that power is in the single microamp region – the clock doesn’t need to be running. Sign up or log in Sign up using Google. EDIT — to clarify a few points in the design: You guys are the experts here! You can test it using a breadboard.


However is practically impossible to find good supply of it and even a datasheet. Dec 15, 8. The shortcoming is that I have 4 separate resets, while ideally I would need only one.

One datashert I did find is that with 3. I might stick with the because it uses only one IC chip. Dec 8, 45 0. Led light controlled by dmx Posted by charles01 in forum: Got some parts in today to test and a new solderless breadboard I have wanted to get one for years.

Following up my previous comment: Their later comment says the MCU would be sleeping, before you posted your ‘answer’. However the doubt stand. See line 1 of the question, dayasheet suggests the OP’s considered that. The switch should be connected directly to the IC1 out line and not ground.

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. I’m still trying to get used to those truth tables. As has been said, you dafasheet make this function from more 74HCT-etc gates.

Dec 19, 2, A state change on the inputs would wake the MCU – whereupon it reads the inputs and then goes back to sleep.

ratasheet Thanks for your input! Most MCUs inputs can’t be configured with internal pull-downs, only with pull-ups. 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 a new design. Looks like an SR is adtasheet only choice here, but my brain is just a drop of the ocean.


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.

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Is there a reason why you have to use the fewest ICs? I see a small error from moving parts around. Switches controlled by MCU Posted by drevilz in forum: To conserve bandwidth, I only needed 1 bit in a synchronous “sub-frame” channel to send the analog signal as a digital FM signal of 0 to 1kHz.

I want to keep it flexible, both capability and power-usage wise and this requires balance. Thanks again for your help! Dec 11, 6. Home Questions Tags Users Unanswered. Thanks for the reply. Quote dahasheet the day.

CD Datasheet PDF Fairchild Semiconductor –

The most complex part datashfet design is planned to be the MCU. Never say you are nobody! I think around 2. Thanks for all your help so far sorry for the long winded thesis below Finally got more specifics on the circuit I’m modding. The CD is indeed the one I have in the design now. 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.

Sign up using Email and Password. You can derive a similar deduction for CD Tony EE rocketscientist Sourcing it could be really troublesome.