Accurate and Accurate and Efficient SSN Modeling
Accurate and Accurate and Efficient SSN Modeling
Accurate and Accurate and Efficient SSN Modeling
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Ref: BGA Crosstalk by Howard Johnson, March 1, 2005<br />
<strong>SSN</strong> From Ground Bounce<br />
�BGA between PCB power<br />
<strong>and</strong> d ground d planes l<br />
�At time zero switches C<br />
closed <strong>and</strong> F transitions<br />
Low -> huge I/O current<br />
transient<br />
�V glitch = L gnd di/dt<br />
�Victim D is held low will<br />
transmit voltage V glitch
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