AN1849 Motorola / Freescale Semiconductor, AN1849 Datasheet - Page 35

• Manufacturer Part Number: AN1849
• Description: MPC107 Design Guide
• Manufacturer: Motorola / Freescale Semiconductor

Note: In Figure 28, the MPC107 pad pattern is divided into four quadrants. Each BGA pad (typically 0.028 inches)
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LEGEND
connects diagonally to a via between the pads, for escape to lower layers. Of course, not all vias will be
necessary, and since there are no pads on the bottom layer, it is fairly easy to escape using only four signal
planes.
- VIA
- CBGA Pad
Figure 28. MPC107 Escape Pattern With Components
NOTE: This is an x-ray view through the MPC107.
Power
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MPC107 Design Guide
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- Component Pad (bottom layer)
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R
R
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