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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CD Datasheet Fairchild Semiconductor pdf data sheet FREE from

No, create an account now. You can use RS flip flop or D flip flop to make a circuit for the requirement. Your name or email address: Sourcing it could be really troublesome. In this scenario a common reset channel on the IC would help maximizing the numbers of available latches in the same footprint and make cd403 circuit more elegant and simple. Look for “Wake-up on pin change”, not interrupt. 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.

Email Required, but never shown. Actually, the second one is pretty much the same as tkng’s. I think I will have to stick with that option for now.

The most complex part by design is planned to be the MCU. Happened on this board datazheet searching the internet with no luck. 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.


Never say you are nobody! I had a sync. The main use is for channel switching I say main becuase dtaasheet 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. Path-wise, the design difference wouldn’t look enormous, but would still be an improvement: I want to keep it flexible, both capability and power-usage wise and this requires balance.

You can derive a similar deduction for CD Dec 15, 8.

LED selection indicators controlled by multiple switches

You can datasheeet the same externally in your PCB design, very easily albeit with a lower density, you’re right. 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. Any help is appreciated.

The reason why I was looking at concentrating everything in Hex Latches instead of Quad Latches was to reduce the IC count and, with this, to have a cleaner design of the traces. Dec 17, cf4043 Dec 15, Post as a guest Name.


Dec 11, 6. I will have to look at these shematics some more later. I think you need to re-evaluate how much power is required by “keeping the interrupts alive”.

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Home Questions Tags Users Unanswered. Dec 10, 5. Just out of curiosity, would it be possible to do the same thing by running that reset signal from the SW1 instead of Q? You May Also Like: Just wanted to update on this project. If you find the switch bounce affects the circuit performance, you can add a capacitor of nF 0.

SNN simply has all of its reset inputs internally connected. MCU, comms module and voltage regulation sections.

CD Datasheet(PDF) – Fairchild Semiconductor

Yes, my password is: Following up my previous comment: Many thanks to the both of you for your help! Thanks again daatsheet your help! 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. I think around 2. Any suggestion on how to implement this otherwise?