You can share fiducial's between 2 close components, but anything fine
pitch or BGA's should have a minimum of 2 in close proximity.

Sharon E. Smith
ZNYX Networks
V.P. of Engineering Services
48421 Milmont Drive
Fremont, Calif.  94538
(510) 249-0800 ext: 3400




"Safavi-Bayat,Shahed" <[log in to unmask]>
Sent by: TechNet <[log in to unmask]>
05/09/01 07:58 AM
Please respond to "TechNet E-Mail Forum."; Please respond to ssafavib


        To:     [log in to unmask]
        cc:
        Subject:        [TN] Fiducials


Hi everyone
My question  is for BGAs how many fiducials we need to use?
Is it one fiducial enough ? Or do wee need fiducial at all?
Any feed back appreciated
Shahed
--








Shahed Safavi-Bayat
PCB Designer, C.I.D.
Harris, Microwave Communication Division
3 Hotel de Ville, Dollard-Des-Ormeaux, QUE, H9B 3G4 Canada
Phone: (514)822-2121/Fax: (514)421-4222

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