[gta02-core] Layout - divide and conquer

Werner Almesberger werner at openmoko.org
Thu Aug 13 22:16:47 CEST 2009

?lvaro Lopes wrote:
> perl'iminary version :)

Yeah ! :)

> 'C0402' used by:

I don't think we need to differentiate packages by function. So
C0402, R0402, L0402, etc., can just be 0402.

> 'FBGA96-P0.8' used by:
>   U7608 [ ATR0635 ]

KiCad seems to be pretty sturdy when it comes to module names. It
even ate a name with spaces in them, without indigestion. So I
guess FBGA96-P0.8 is okay.

> 'PLLP6' used by:

Hmm, that sounds a bit too generic.

> 'SON1408-3' used by:
>   U7604 [ R3113D ]

That name seems to be extremely uncommon. The data sheet doesn't have
the footprint but also offers "MFPAK". I found an MFPAK-4:

The 0.45 mm pitch is indeed unusual. I wonder if there's a more common
name for this package.

> 'SOT563-F' used by:
>   U7609 [ SI1040X ]
>   U7610 [ SI1040X ]

That one seems to go by just SOT-563 as well, e.g.,
http://media.digikey.com/pdf/Data Sheets/Diodes PDFs/2N7002V-VA.pdf

Vishay actually call it SC89-6. Hmm, we need a single naming scheme
for all these critters.

> 'XTAL-4P2.2X2.6' used by:
>   X7601 [ IT3205BE ]

"XTAL" is a bit of a misnomer, but that probably doesn't hurt.
After all, there is a crystal inside :-)

> 'XTAL-6P0.7X1.0' used by:
>   X7602 [ CC7V-T1A ]

Oh, and we don't have that one in components/INFO !

- Werner

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