Datasheet, PDF, Data sheet, manual, pdf, , IC TTL/H/L SERIES, HEX 1-INPUT INVERT GATE, PDIP14, Gate, unknown. datasheet, circuit, data sheet: SLS – Hex Inverted Buffers site for Electronic Components and Semiconductors, integrated circuits, diodes. Details, datasheet, quote on part number: Part, . PEF F V Interface – Telecom Integrated Circuit (ics) 50mA 3 V ~ V; IC CTRL.
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One image has been uploaded to this topic. View topic image gallery. I understand what an inverter doesit takes say a Low signal and makes it High for example. Is there any way to test an out of circuit? Apply power and ground. Next find a pair of inputs.
Apply the right inputs and check the output. IF its OR gate the output should turn on with one input, if its AND gate the output should only turn on with both inputs. Sopower to pin 14, ground to pin 7. Put some power on pin 1 and it should be logic low jc pin 2. Repeat for the rest of the inputs. I forget if you need resistor inline with circuit or not.
So don’t sue me if the chip frys. I guess I should have said with a DMM. I have a power source but I don’t have a way to apply Logic. Then again I guess that Logic is voltage right? So would applying say 2 vdc on the correct input pin s make the output pin High?
Two volts is right at the threshold, so I wouldn’t trust it as a test. Get two logic probes, one with a pulser, apply a pulse to the input pin and monitor the output pin. Of course with power and ground to the IC. Sometimes you’ll catch a problem, sometimes not. Best to test them in circuit or as I described above. So I thought I’d ask here. I flunked out of EE training and became a software engineer instead. So don’t trust anything I say.
Not sure where 2v is coming from unless Datashert you just meant you happen to have that power supply laying around and wanted to use it. Anyways I received my new ‘s in the mail today and I was just curious as if there was a way to test them out of circuit.
SN7406N – 7406 HEX INVERTER BUFFER 30 V (OC) – Texas Instruments
I’m going to put a socket on my PCB anyways, but if you haven’t noticed I ask a lot of questions Bill if you have a breadboard laying around you can test the Hopefully you would learn something from it, that is what I always try to do.
I was just using 2 v as datasheet example of what voltage would be needed to get a Low signal.
I’m a total noob to this, so I guessed a little high. I know I would have hook a pot or something up to the 5 volt lead on my power supply to even get it down below 2 volts. TTL chips are low below 0. This will vary from chip to chip, so check your datasheet for those values. If you have a power supply, you have all the signals you need.
Then you use those existing 0V and 5V signals to test each inverting gate. Datsaheet is pretty cool. I was just wanting to test kinda for the learning experience also. I doubt I’ll ever work with ‘s enough to actually buy a tester.
I just have an old computer supply I converted to a desk top power supply. Yes, there is a way Well it’s like this, I’m still not sure I have the brain power for all this. I’m trying datashet I think I’ll quote ole Forrest Gump with Thanks, I ran through the test and hey what do you know? A brand new chip ratasheet good.!
Anyways, I didn’t know that whatever inverts the signal in the inverter would read as a voltage drop like a diode. Also by placing my red lead on ground I’m actually going the opposite direction that the signal would be going, right? Please no heckling, but are all pins connected to the ground pin at all times?
I see how the signal goes in pin 3 and out pin 4, for example. I get that, but am confused as to what keeps the signal from going to the ground pin if they’re all connected. Actually I never thought about it, but it is kind of drawn dwtasheet all pins go to ground. The outer line is just the way they’re showing the IC package, not a logical connection.
I think you’re assuming the outline of the chip is representing all pins connected to ground. What you’re seeing is simply the graphical outline of the chip in the drawing, it doesn’t represent the IC legs all being tied together.
That and in the test from Pinwiki it has me put my pos lead on ground and neg on each pin. That’s how they work. It’s not a full-on connection like a wire, so it is called a ‘semiconductor’. Great to see you’re enjoying Pinside!
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5x PC Hex Inverter Buffers/Drivers With Open-Collector, Tungsram IC | eBay
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Spybryon Pinside member 7y 46, 1, OOPS I looked up 74066 sheet looks like it is an inverter. Any current limiting resistors needed like you do when you power up a LED? Digital logic wizard mode! Promoted items from the Pinside Marketplace.
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