Need flash adc with plcc format?

Is there a flash adc with a plcc package, anything
above 24MHz minimum sample rate will suit me.
tnx

<nnn> wrote in message news:4548ffa9_1@mk-nntp-2.news.uk.tiscali.com...
> Is there a flash adc with a plcc package, anything
> above 24MHz minimum sample rate will suit me.
> tnx
>
You know this is comp.arch.fpga, right? ;-)

Anyway, go search for yourself :- http://www.interfacebus.com/

I doubt anyone would make a high speed ADC in a PLCC package, this type of 
package has awful SI properties.

HTH, Syms. 

Is there a good reference for the types of IC packages and their effects on 
SI?


---Matthew Hicks


"Symon" <symon_brewer@hotmail.com> wrote in message 
news:454928a8$1_1@x-privat.org...
> <nnn> wrote in message news:4548ffa9_1@mk-nntp-2.news.uk.tiscali.com...
>> Is there a flash adc with a plcc package, anything
>> above 24MHz minimum sample rate will suit me.
>> tnx
>>
> You know this is comp.arch.fpga, right? ;-)
>
> Anyway, go search for yourself :- http://www.interfacebus.com/
>
> I doubt anyone would make a high speed ADC in a PLCC package, this type of 
> package has awful SI properties.
>
> HTH, Syms.
> 

"Matthew Hicks" <mdhicks2@uiuc.edu> wrote in message 
news:eibouj$d3i$1@news.ks.uiuc.edu...
> Is there a good reference for the types of IC packages and their effects 
> on SI?
>
>
> ---Matthew Hicks
>
>
Hi Matthew,
The Amkor website is somewhere to start. For example compare and contrast 
these two packages:-

http://www.amkor.com/Products/all_datasheets/MicroLeadframe.pdf

and

http://www.amkor.com/Products/all_datasheets/plcc.pdf

MLF12 lead inductance ~0.6nH   capacitance ~0.2pF

PLCC20  lead inductance ~2nH   capacitance ~0.6pF

HTH, Syms. 

> > Is there a good reference for the types of IC packages and their effects
> > on SI?
> >

Good, now what is SI ? is it shorthand for silicon? or is it the si units
of measurements.

Thanks for the links Symo, I was hoping for some rules of thumb, but I guess 
I could look at a few datasheets of different packages and create my own. 
SI stands for signal integrity.


---Matthew Hicks


<nnn> wrote in message news:4549d68c$1_3@mk-nntp-2.news.uk.tiscali.com...
>> > Is there a good reference for the types of IC packages and their 
>> > effects
>> > on SI?
>> >
>
> Good, now what is SI ? is it shorthand for silicon? or is it the si units
> of measurements.
>
> 

you posted in the wrong branch!!