atrax27407 Posted July 11, 2014 Share Posted July 11, 2014 I'm looking for a domestic source for 27C010 and 27C040 EPROMs. I am aware of Unicorn Electronics and have used them in the past but I would like to find another source. Any ideas? Quote Link to comment Share on other sites More sharing options...
+Ksarul Posted July 11, 2014 Share Posted July 11, 2014 Here are some from the source of the last batch of chips I sent you, Atrax. He is in the US. I'm waiting for some 32K chips from him right now. . . 27C040: http://www.ebay.com/itm/271257177198 27C010: http://www.ebay.com/itm/281150674064 Quote Link to comment Share on other sites More sharing options...
atrax27407 Posted July 11, 2014 Author Share Posted July 11, 2014 Thanks - I just ordered a small quantity of the AM 27C040 EPROMs. If they are as good as the ones you got, I'll be happy Quote Link to comment Share on other sites More sharing options...
+acadiel Posted July 11, 2014 Share Posted July 11, 2014 Not all foreign EEPROMs are bad... I got some nice Winbond 27C040's (the flash kind) from China and they work pretty well. Not sure if the same seller is still there, but here's my eBay search: http://www.ebay.com/sch/i.html?_odkw=winbond+-programmer+w27&LH_BIN=1&_sop=15&_osacat=0&_from=R40&_trksid=p2045573.m570.l1313.TR0.TRC0.H0.Xwinbond+-programmer+w27e040&_nkw=winbond+-programmer+w27e040&_sacat=0 The nice part is that you can erase these in the programmer. Quote Link to comment Share on other sites More sharing options...
atrax27407 Posted July 11, 2014 Author Share Posted July 11, 2014 I ordered a lot of 5 AMD 27C040 chips from a supplier in Hong Kong and what I got were a bunch of unlabelled chips, none of which worked. The seller said that the chip logo must have "faded" during storage and sent me 5 more replacements that were equally as bad. All I can surmise is that they were Chinese counterfeits. Then, he had the unmitigated gall to ask me to change my negative feedback. Not bloody likely! Quote Link to comment Share on other sites More sharing options...
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