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strange party of TOP234Y

Posted by: VJM on
We made some hundreds copies of article on TOP234Y without any problems during 5 years. But now we buy a party of TOP234Y (about 100 chips) which does not work in this article. The marking on chips of this pary is follow: H311 TOP234Y E22557J (and E22557L) Is this party have any peculiarity? The cips of of any other party which we have work in this article correctly.

Comments

Submitted by PI-Spock on 09/10/2008
I already posted a reply to this. See this thread http://www.powerint.com/en/forum/ask-pi-engineer/strange-party-top234y