74AC125 DATASHEET PDF

74AC125 DATASHEET PDF

74AC datasheet, 74AC circuit, 74AC data sheet: FAIRCHILD – Quad Buffer with 3-STATE Outputs,alldatasheet, datasheet, Datasheet search site for. 74AC Quad Buffer With 3-STATE Outputs. The AC/ACT contains four independent non-inverting buffers with 3-STATE outputs.. Features. Order Number. See detailed ordering and shipping information in the package dimensions section on page 5 of this data sheet. ORDERING INFORMATION.

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The signal must be low to allow the buffer to operate. What is the point of Buffers like this in Programmers? Datashdet programmer supports both a programming 5 V targets, and also b programming 3 V targets — in particular, 3 V targets that are not 5 V tolerant.

I’ve seen quite a few buffers like this on programmers Questions on use, specifications, buyng spares and maintenance.

74AC Fairchild Quad Buffer with 3-STATE Outputs ChipFind Datasheet Archive |

On May at Back to home page Return to top. Learn more – opens in new window or tab. Wouldn’t it just provide input voltage at the output too? Then the programmer would be completely powered by target.

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Seller information liaoxiyuan Would level shifting be a concern in this situation? Lighting, audio, wiring, fixing etc. Will usually ship within 3 business days of receiving cleared payment – opens in a new window or tab. Buffers can also be used for logic level shifting – your micro may be a 3.

(PDF) 74AC125 Datasheet download

Minimum monthly payments are required. For domestic electrical stuff, try: From schematic, datashret can see that the buffer can be powered from the target board or from the programmer.

Visit eBay’s page on international trade. Learn More – opens in a new window or tab. Expedited Shipping from outside US. I think that the buffer is there to provide a little bit of isolation between the voltages of the programmer and the voltage of the target 774ac125.

Datasheet «74AC125»

datasheeet Using it to program non-5V targets as intended by the designer might make it destroy itself. Buffers are also oftentimes uses as the sacrificial lambs On topic questions only – see Rule 74ac215.

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By doing this you are only powering the buffer chip from 3. With MrSurly’s theory, I’d be powering my circuit with external 3. Use of this site constitutes acceptance of our User Agreement and Privacy Policy. Please enter a number less than or equal to Yeah, the guides are lacking. No additional import charges at delivery!

Get the item you ordered or get your money back. In order for programming to work, the programmer’s microcontroller needs to sink current on the pin connected to the CTL line.

Please also read the last paragraph of the Embedded tag. Parts First, check out our list of national and global suppliers.