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A comment on Examining a vintage RAM chip, I find a counterfeit with a different die inside. Parent comment

Re:Examining a vintage RAM chip, I find a counterfeit with a... by jzebedee on Monday August 21, 2017 @12:28PM (#15065704)
Not the premise. This is an issue of taking a cheap, touch-tone chip and repackaging it as a more expensive product. The chip itself is not dialing out to anywhere since the final product wouldn't even work when installed. Just a counterfeiting scam.
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Re:Examining a vintage RAM chip, I find a counterfeit with a... by bryanlarsen on Monday August 21, 2017 @12:38PM (#15065770)
Comparing the die shot to the 3101 die shot, it appears that the DTMF chip is significantly more expensive to produce than the 64 bit RAM chip.

But perhaps they had a large stockpile of DTMF chips they wanted to get rid of.

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Re:Examining a vintage RAM chip, I find a counterfeit with a... by djsumdog on Monday August 21, 2017 @12:51PM (#15065853)
Maybe this was labeled a decade+ ago and the ebayer is just some salvager going through a warehouse. There's no way someone would go through that effort today, with neither chip being that expensive.
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Re:Examining a vintage RAM chip, I find a counterfeit with a... by cat199 on Monday August 21, 2017 @02:02PM (#15066338)
probably quite the opposite: e-waste disposal companies inventorying useless ICs for pin count vs barely useful ones and relabeling.. spend .01c to get .05c times 1 bazillion and you might actually make some money
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