74LS164 DATASHEET PDF

Part Number: 74LS, Maunfacturer: Motorola, Part Family: 74, File type: PDF, Document: Datasheet – semiconductor. These 8-bit shift registers feature gated serial inputs and an asynchronous clear. A low logic level at either input inhibits entry of the new data, and resets the first. This 8-bit shift register features gated serial inputs and an asynchronous reset. The gated serial inputs (A and B) permit complete control over incoming data as a.

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Output Short Circuit Current.

The whole thing is, as many have predicted, incredibly sensitive to just about anything. High Level Output Voltage. Could I simply buy a handful of the same ones, or does the difference actually make a huge difference, somehow? You could add 2 or 3, 22nF’s in place of the nF. I can’t seem to find one which includes a shift register? I am a complete beginner, so please excuse any incredibly stupid mistakes i made!

Welcome to our site! Datashheet I am still a bit confused about the whole pull-down and pull-up thing I have read about it, but it still didn’t really sink inI tried the following: Data at the serial inputs may be changed while the clock is high or low, but only information meeting the setup requirements will be entered clocking occurs or the low-to-high level transition of the clock input.

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This 8-bit shift register features gated serial inputs and an. I was just reading up on pull-ups, etc. High Level Output Voltage. When I switch on the lights in my house, this often triggers the signals.

Potentiometer Questions Started by norbss Yesterday at I want to wire a 5×5 LED array, and then drive it with my PC, just for the heck of it, and the learning curve. That’s why am a bit mad at me for getting stuck so early on! Which would cause LEDs to flicker, or other weird thins to happen, i’d guess. The 22nF dqtasheet for the switch contacts, to eliminate any electrical noise, caused by switch contact bounce.

Replacing a 4 pin leaded inductor with a 2 pin Started by gkmaia Yesterday at My problem is that nothing seems to work, and, even worse: I think I understand the function of the capacitators de-noising, by functioning as a little ‘buffer’ of sorts, right?

Resistors So, this brings up a couple of extra questions: If you just ‘hook things up’ as the ‘so call experts’ state you will get the problems that you are experiencing.

Propagation Delay Time, Clock to Q. All diodes are 1N or 1N Setup Time, A1 or A2 to Clock.

74LS 8-bit Shift Register IC | Jaycar Electronics

This works even with a tiny wire, so I hope that capacitance is not the issue. For anybody else with the idea of going the pull-DOWN route, i found this article that finally 74lw164 me of my erroneous ways, which i’d like to share: Or am i maybe measuring the voltage in a wrong way?

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High Level Output Current. That switch does NOT turn on the outputs – but touching that pin does. If I understood the datasheet’s diagram correctly, there’s an AND gate on the two input pins, so I think both have to be high – but that doesn’t really matter, since I simply connected the two together.

Your circuit may work OK sometimes and then not others, for a reliable, predictable dafasheet follow good engineering practice. I’m a software guy, who is now trying to get a little bit into circuits, just for fun. Datasheets, Manuals or Parts. Media Datassheet media New comments Search media.

Datasheet «SN54/74LS164»

Thank you two for the quick reply. High Level Output Current. If I have a shared clock signal for both the ICs which seems to be a common praticeAs stated when inputs are connected to output pins, NO pull ups. Fully Buffered Clock and Dataxheet Inputs. By continuing to use this site, you are consenting to our use of cookies.