[SI-LIST] Re: Question about power delivery to silicon in a BGA package
- From: "Larry Barnes" <larry.barnes@xxxxxxxxxx>
- To: <achandra@xxxxxxx>, <Andrew.Ingraham@xxxxxx>,<si-list@xxxxxxxxxxxxx>
- Date: Fri, 28 Mar 2003 06:33:27 -0800
Only if you have no AC current into the chip through these pins, which I =
suspect when the chip is operating you do have.
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Lawrence C. Barnes
Principal Engineer
QLogic Corporation
larry.barnes@xxxxxxxxxx
-----Original Message-----
From: Chandrasekhar Arun [mailto:achandra@xxxxxxx]
Sent: Friday, March 28, 2003 7:14 AM
To: Andrew.Ingraham@xxxxxx; si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Re: Question about power delivery to silicon in a BGA
package
Oops - after lunch effects !!!!
Sorry
Regards
Arun
-----Original Message-----
From: Ingraham, Andrew [mailto:Andrew.Ingraham@xxxxxx]
Sent: Friday, March 28, 2003 14:24
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Re: Question about power delivery to silicon in a BGA
package
> Yes, you can expect 1-Ohm (for a Au 0.5mil bond wire of length 2mm and
> =3D3D
> at 5GHz).
=3D20
But this is for power delivery, so the frequency of interest is 0.0Hz.
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