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From: Robert Baer on 10 Jun 2010 02:06
Nico Coesel wrote:
> DaveC <invalid(a)invalid.net> wrote:
>
>> I've been searching the net for a comprehensive list of drawings of IC
>> packages, specifically, all things "SO" (ie, SO, SOP, TSOP, SSOP, TVSOP,
>> etc.). What does come up are lists of packages, but no drawings.
>>
>> I need to have dimensions listed as well, similar to what is typically
>> provided in datasheets.
>
> Some semiconductor manufacturers also provide package drawings. IIRC
> NXP is one of them.
>
Diodes Inc also has a fair set.
From: den on 10 Jun 2010 04:25
I have always had good luck finding specs at Digikey, never tried
mouser .

http://search.digikey.com/scripts/DkSearch/dksus.dll?WT.z_homepage_link=hp_ProductIndex&lang=en&site=US&keywords=

Den
From: N_Cook on 10 Jun 2010 07:16
DaveC <invalid(a)invalid.net> wrote in message
news:0001HW.C8352BB000501E40B01AD9AF(a)news.eternal-september.org...
> I've been searching the net for a comprehensive list of drawings of IC
> packages, specifically, all things "SO" (ie, SO, SOP, TSOP, SSOP, TVSOP,
> etc.). What does come up are lists of packages, but no drawings.
>
> I need to have dimensions listed as well, similar to what is typically
> provided in datasheets.
>
> Thanks.
>


Don't know if its on wwwland but the paper versions of UK RS components
catalogue have an extensive pictorial listing of types with equivalents,
then look up dimensions once the package designation is known.


--
Diverse Devices, Southampton, England
electronic hints and repair briefs , schematics/manuals list on
http://diverse.4mg.com/index.htm


From: baron on 10 Jun 2010 07:58
DaveC Inscribed thus:

>>> Thats your answer, grab the data sheets. ;-)
>
>
>> That's what I resort to, although it really would be nice if there
>> was a one stop shop of package drawings or dimensions. There are so
>> many different packages now that I can't keep track of them all.
>
>
> For example this datasheet has 5 different package drawings that it
> calls "Small Outline Package", all with different dimensions:
>
> <http://focus.ti.com/lit/ds/symlink/sn74hct244.pdf>
>
> Isn't the idea of a package "name" supposed be a single identity
> including dimensions (differing, of course, in length, to accommodate
> different pin counts)?
>
> From the same manufacturer, no less...
>
> Thanks,
> Dave

Yes it can get very confusing. The "Jedec" designations are given at
the bottom of each drawing. AFAIA that designation should identify a
package uniquely.

--
Best Regards:
Baron.
From: qrk on 10 Jun 2010 12:27
On Wed, 9 Jun 2010 11:29:52 -0700, DaveC <invalid(a)invalid.net> wrote:

>I've been searching the net for a comprehensive list of drawings of IC
>packages, specifically, all things "SO" (ie, SO, SOP, TSOP, SSOP, TVSOP,
>etc.). What does come up are lists of packages, but no drawings.
>
>I need to have dimensions listed as well, similar to what is typically
>provided in datasheets.
>
>Thanks.

This is a handy free program:
http://www.pcbmatrix.com/Products/LPSoftware/LPViewer/

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