CDUBE from Texas Instruments at low prices and same day dispatch! Orders above £20 Technical Datasheet: CDUBE Datasheet. See all Technical. CMOS Hex Inverter. DATASHEET .. Accordingly, the reader is cautioned to verify that datasheets are current before . 1/6 CD IN. OUT. CDUBE ti CDUB, CMOS Hex Inverter Data sheet acquired from Harris Semiconductor SCHSC Revised September The CDUB-Series.

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Has anyone here tried using this water alarm as more than just an alarm?

There is no battery low indicator, but at such a low drain it will take years for the battery to need replacement. Is the answer 60? I drew the chip U1 as seven parts for clarity: CD is so old, the datasheet is still from Harris.

CDUBE Datasheet pdf – CMOS Hex Inverter – Texas Instruments

You must log in cd4069jbe register to reply here. For a better experience, please enable JavaScript in your browser before proceeding. In this case the shorter propagation delay through the part, and slightly less complex transfer function means it oscillates at higher frequency and more reliably. Rumor has it these last forever on a nine volt battery! Keep linking good, informative sources.

The CD parts that are for cd406ube these days always have a U after the number, that is CDU and this is important. The CD has symmetrical source and sink currents but not as high as 50mA. It looks like I’ll have to order some CDs or 74C04s then. The enclosure is not sealed and if water level keeps rising past the sensing compartment, there is no guarantee that the alarm will stay functional.

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Forums New posts Search forums. Leave a Reply Cancel reply Your email address will not be published. The CD is not recommended dafasheet Texas Instruments. Nice attention to details. And now on to the schematic. A classic application for an unbuffered part is when it is used as a clock oscillator. The design is nicely compartmentalized, with separate areas for sensor wiring, battery and electronics.

It works datqsheet as a linear amplifier. Selfdischarge will probably be the main driver of that. It just shares C1 with the rest of the board.

(PDF) CD4069UBE Datasheet download

Its great you even were able to build the schematic from it. It’s not on the datasheet. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. C2, I guess, is to even out any voltage spikes when the gate changes state? Welcome to our site! With sufficiently conductive fluid touching the two electrodes, the gate of Q1 gets pulled up and it turns on.

None of my meters could resolve it even when in uA range. Hero Banned Aug 13, What’s the difference between the CD and CD? Note strain relief loop around the plastic post.


Hero Banned Aug 14, What we have here is two essentially independent sections. Oh well, at least the part itself is connected correctly. I already have loads of CDs in my junk box, I’m just wondering if it’s worth buying some CDs as well.

Xatasheet CD is recommended instead if it has a single supply voltage. Replacing a 4 pin leaded inductor with a 2 pin Started by gkmaia Yesterday at R1 keeps gate of the FET pulled low, to keep it off. The bare board is made on week 17 of Replacement Transformer Started by ncag Today at 7: The buzzer driver uses the six inverters to create an oscillator with a frequency of around 3.

That shouldn’t be a problem at low gains, due to negative feedback. THey have different power supply schemes and the output circuitry is different.

CDUBE CD Hex Inverter IC

Interestingly enough, there is not even a dedicated decoupling cap on U1. One of the problems is that I can’t find two datasheets from the same manufacturer and different manufacturers are going to vary somewhat. They also might datasneet. Interestingly enough, each stage is doubled — I am guessing for better current supplying capacity at the outputs.

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