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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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Trying to use a cd44069ube mosfet to trigger an alarm panel. A Cmos inverter makes a pretty distorted output because its output compesses the signal near the rail voltages.

The spec for 2N lists 1uA as a max leakage with no gate voltage. What’s the difference between the CD and CD? Luckily it does not take much to make one on a design this simple.

When alarm is on, the current jumps to around 11mA. The part runs from 3 to 18V, allowing direct operation from the 9V battery. And now on to the schematic.


But at room temperature and at least on this unit it was in nA.

What’s the difference between the CD4009 and CD4069?

Has anyone here tried using this water alarm as more than just an alarm? The design is simple and pretty clever with essentially no battery drain until triggered.

The sensors could be local, or remote using supplied wire. Leave a Reply Cancel reply Your email address will not be published. Your email address will not be published.

This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. This alarm has a pretty simple task- sit somewhere quietly and watch for water leak.

Potentiometer Questions Started by norbss Yesterday at 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.

Board back- all throughole. Articles Top Articles Search resources. Hero Banned Aug 13, I’ve read through the datasheets and I’m ashamed to say I’m stuck. The CD is recommended instead if it has a single supply voltage. First time I have seen the uCurrent being used as well.


One of the problems is that I can’t find two datasheets from the same manufacturer and different manufacturers are going to vary somewhat. Is the answer 60? Note strain relief loop around the plastic post.

It also happens to be where the ground trace connects. The CD parts that are for sale these days always have a U after the number, that is CDU and this is important. Interestingly enough, each stage is doubled — I am guessing for better current supplying capacity at the outputs.

BrownOut Banned Cd4069bue 13, Where did you get that graph from?

National Semiconductor – datasheet pdf

Thanks for the teardown. The CD has symmetrical source and sink currents but not as high as 50mA. The rainwater comes into quadrant III, and reaches the finished room before it gets to the drain or the sump.