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. ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: http://www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List archives are viewable at: =3D20 http://www.freelists.org/archives/si-list or at our remote archives: http://groups.yahoo.com/group/si-list/messages=3D20 Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu =3D20 ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: http://www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List archives are viewable at: =20 http://www.freelists.org/archives/si-list or at our remote archives: http://groups.yahoo.com/group/si-list/messages=20 Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu =20 ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: http://www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List archives are viewable at: http://www.freelists.org/archives/si-list or at our remote archives: http://groups.yahoo.com/group/si-list/messages Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu