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hugo929
Joined: 27 Oct 2006
Posts: 6163
Location: China
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 Posted: Wed Sep 08, 2010 6:52 am Post subject: D4040 by siemens ? |
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Hi this chips looks like intel D4040 chip! right ?
what do you think ? 
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MHz
Joined: 13 Nov 2009
Posts: 271
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| Posted: Wed Sep 08, 2010 8:55 am Post subject: |
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For me it looks like memory. The traces are the same as for sram, eprom or eeprom. I can not see the number but probably it is x2816 eeprom.
MHz
Yes, there is written speichermodul 2kbit. |
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iguana
Joined: 24 Apr 2007
Posts: 2456
Location: Ottawa, Canada
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donutty
Joined: 16 Feb 2008
Posts: 1122
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| Posted: Wed Sep 08, 2010 1:21 pm Post subject: |
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Of course you know, it's just an EEPROM cartridge for a Siemens PLC.
Nothing too fancy. |
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hugo929
Joined: 27 Oct 2006
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Location: China
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donutty
Joined: 16 Feb 2008
Posts: 1122
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| Posted: Thu Sep 09, 2010 2:02 pm Post subject: |
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| Xicor EEPROM. |
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