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,
.....jillesKILLspam
@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}> 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
>
jillesKILLspamrendo.dekooi.nl
