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PICList Thread
'[PIC]: Silicon af PIC's'
2000\06\08@125546 by Jilles Oldenbeuving

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face
Today, at work a PIC16C558 JW blew up. That gave me the chance to take it
apart
(the ceramic that is) and put the silicon under a microscope. The microscope
showed
nice pictures of the silicon. I think i could see the program memory (not
sure about this)
becouse there was a 'smooth' area (when viewed with the naked eye) that
consisted
of 14 rows (instruction width = 14 bits)...

I also noticed the microchip logo between 2 bonding pads! It constisted of
the cicle-with-the-M-cut-out-of-it (tm). Also, under the logo where 4 lines
of
alphanumeric characters. My best guess is that it is the silicon rev number
and some other things. Does anybody know what the 4 lines below the logo
mean?


Regards,

Jilles Oldenbeuving
spam_OUTjillesTakeThisOuTspamrendo.dekooi.nl

2000\06\08@131735 by Tim Hamel

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Howdy,

I'm not sure what the 4 lines are, but I do know that Microchip isn't the
first company to do this Silicon Art. This is awesome:

http://micro.magnet.fsu.edu/micro/gallery/chips/chipshots.html

Regards,

Tim Hamel

In a message dated 6/8/00 9:56:17 AM Pacific Daylight Time,
.....jillesKILLspamspam@spam@RENDO.DEKOOI.NL writes:

> Today, at work a PIC16C558 JW blew up. That gave me the chance to take it
>  apart
>  (the ceramic that is) and put the silicon under a microscope. The
microscope
{Quote hidden}

2000\06\08@171948 by Kris Wilk

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<x-flowed>At 01:15 PM 6/8/00, you wrote:
>Howdy,
>
>I'm not sure what the 4 lines are, but I do know that Microchip isn't the
>first company to do this Silicon Art. This is awesome:
>
>http://micro.magnet.fsu.edu/micro/gallery/chips/chipshots.html

The link above isn't the best part of that web site. The REAL silicon art
is in the section called "Silicon Zoo" at:

http://micro.magnet.fsu.edu/creatures/index.html

Personally I like the piece titled "More Buffalo Chips", midway down the
page. Very clever!

Kris

</x-flowed>

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