PC7457 Datasheet, PDF (50/66 Pages) ATMEL Corporation – PowerPC 7457 RISC Microprocessor

Substrate Capacitors for the PC7457, 483 CBGA
Figure 26 shows the connectivity of the substrate capacitor pads for the PC7457, 483 CBGA. All capacitors are 100 nF.
Figure 30. Substrate Bypass Capacitors for the PC7457, 483 CBGA
A1 CORNER
C1-1 C2-1 C3-1 C4-1 C5-1 C6-1
C1-2 C2-2 C3-2 C4-2 C5-2 C6-2
C18-2 C17-2 C16-2 C15-2 C14-2 C13-2
C18-1 C17-1 C16-1 C15-1 C14-1 C13-1
Capacitor
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C12
C13
C14
C15
C16
C17
C18
C19
C20
C21
C22
C23
C24
Pad Number
-1
-2
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
OVDD
VDD
GVDD
VDD
VDD
GVDD
VDD
VDD
GVDD
VDD
VDD
GVDD
VDD
VDD
VDD
OVDD
VDD
OVDD
VDD
VDD
OVDD
VDD
VDD
VDD
50 PC7457/47 [Preliminary]
5345B–HIREL–02/04