Clocking
8.11
Analog Power Supply Pins
The incorporates one PLL. This PLL requires an Analog VCC and Analog Vss pad.
Therefore, there will be external LC filters for the AMB .
Figure 8-2. FBD PLL Power Supply Filter
VCC
VCCA
bump
0805
VCCA
pin
VCCA
Connected
to PLL
Package Routing
Circuitry
C1
10UF
6.3V
C2
10UF
6.3V
VSS
bump
0805
0805
Connection
in Metal 6
VSSA
Package Routing
VSSA
pin
VSSA
bump
Board
Package
Die
Separate filtered power pins are available for use by a PLL if needed.
Warning:
The filters are NOT to be connected to board Vss. The ground connection of the filters
will be routed through the package and grounded to on-die Vss.
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Intel® 6400/6402 Advanced Memory Buffer Datasheet
89
INTEL [ INTEL ]
