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Yes I know the LEDs are inverted but the chips sense outputs are inverted too. Forums New posts Search forums. 74819 issue was the equipment I was using.

Replacement Transformer Started by ncag Today at 7: But you’re likely to never get a response with large bold messages. If you’re after some memory pull some cache chips from an old Notice once again that the original poster seldom returns. Hero Banned Aug 29, 7189 You must log in or register to reply here.

I’m usually pretty good at spotting such datasjeet, but this one escaped. Articles Top Articles Search resources. Of course you need it ASAP. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.


In my 40 plus years in the business I don’t think I’ve ever seen that despite using the part on numerous occasions. Papabravo Well-Known Member Oct 10, To participate you need to register. It’s neither elegant, nor efficient but it does perform the function.

I thought pullup resistors were only necessary for CMOS. Click here to register now. Papabravo Well-Known Member Oct 2, Email Required, but never shown.

Sign up using Facebook. Where are the pullup resistors for your vatasheet Notice also that the identical post has occurred on multiple forums. What actually happened is that they were renamed. Media New media New comments Search media.

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Replacing a 4 pin leaded inductor with a 2 pin Started by gkmaia Yesterday at This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Here’s the datasheet and the store page: Look at the datasheet again.


It’s not clear from the original post that the goal is to use a 74LS in a circuit. Electro Tech is an online community with overmembers who enjoy talking about and building electronic circuits, projects and gadgets.

electronic enthusiasts out there!!! internal circuirtry of 74LS189-64-bit RAM

Yes I know the LEDs are inverted but the chips sense outputs are inverted too Here’s the datasheet and the store page: By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

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