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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(Datasheet) 74LS pdf – Serial-In Parallel-Out Shift Register (1-page)

Datasheet for the 74LS Setup Time, A1 or A2 to Clock. If I look at the construction in the wrong datasheer, it often triggers the signals. I am a complete beginner, so please excuse any incredibly stupid mistakes i made! Thank you two for the quick reply. I have this lingering gut-feeling that I there is something very basic that i am not understanding Maximum Ratings are those values beyond which damage to the device may occur. This seems to contradict any basic understanding of physics I thought I had.

Output Short Circuit Current.

Since 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: If you just ‘hook things up’ as the ‘so call experts’ state you will 7ls164 the problems that you are experiencing. If own of the two posts gets an answer, I will of course also post it on the other board.

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But with the inter-IC connection, I think my brain is dwtasheet not in gear: Articles Top Articles Search resources. Datasheets, Manuals or Parts. This doesn’t seem right. Or am i maybe measuring the voltage in a wrong way? Thread starter schweini Start date Nov 16, All diodes are 1N or 1N I am using the 5V up to 2Amps cables of an old external hard drive power supply to power this thing.

High Level Output Current. Thank you very much for that diagram – although I think I have none of the components you added at hand and I hope they sell them here! All diodes are 1N or 1N Where this voltage is coming from, I don’t know. Didn’t help at all. Diver Well-Known Member Nov 16, You do not need a pull down resistor.

74LS164 Datasheet PDF

Search darasheet Part name Part description. Replacing a 4 pin leaded inductor with a 2 pin Started by gkmaia Yesterday at 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.

If it still doesn’t work, post a schematic. A high level input enables the other input which will then determine the state of the first flip-flop.

So, could anybody please give me a hint what the heck I am doing wrong? 74ls1644

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Again this is due to the fact that the clock pins is floating, use a pullup. Media New media New comments Search media. There could be any number of reasons why its not working, follow my instructions and we may find out why.

This works even with a tiny wire, so I hope that capacitance is not the issue. It just seems so wasteful, somehow. Replacement Transformer Started by ncag 6 minutes eatasheet Replies: This 8-bit shift register features gated serial inputs and an. Which would cause LEDs to flicker, or other weird thins to happen, i’d guess. Low Level Input Current. This 8-bit shift register features gated serial inputs and an.

Datasheet «SN54/74LS164»

Or am I mistaken about the meaning of ‘Low’ and ‘High’? Thanks, and sorry that this post got rather lengthy.

I also posted this question over at Electronic Circuits on Discovercircuits. Welcome to our site! The mains electricity here in Costa Rica is horrendously ‘dirty’, so I wanted dwtasheet eliminate that factor. Maximum Ratings are those values beyond which damage to the device may occur. So when you push the switch the ‘A’ pin goes low and when you release the switch the ‘A’ pin goes high, giving a high going clock edge which is whats 74ls64 by the LS