Datasheet
IBM PowerPC 750GX RISC Microprocessor
DD1.X
Figure 5-1. Single PLL Power Supply Filter Circuit with A1VDD Pin and A2VDD Pin Tied to GND
(Recommended)
Discrete Resistor
Ferrite Bead1
2
Ω
A1V Pin
DD
2
A2V
Pin
DD
Discrete Resistor
100
C1
C2
Ω
AV
DD
1
AGND Pin
Item
Resistor
C1
Description/Value
2 Ω , 100 Ω
0.1 µF Ceramic
10.0 µF Ceramic
C2
Ferrite Bead
30 Ω (typical) - Murata BLM21P300S or similar
Notes:
1. Connected to ground without a filter.
2. Single PLL0 only.
Figure 5-2. PLL Power Supply Filter Circuit with Two AVDD Pins and One Ferrite Bead (Optional)
Discrete Resistor
Ferrite Bead1
2
Ω
A1V Pin
DD
A2V Pin
DD
C1
C2
AV
DD
1
AGND Pin
Item
Resistor
C1
Description/Value
2 Ω
0.1 µF Ceramic
C2
10.0 µF Ceramic
Ferrite Bead
30 Ω (typical) - Murata BLM21P300S or similar
Note:
1. Connected to ground without a filter.
750GX_ds_body.fm SA14-2765-02
September 2, 2005
System Design Information
Page 51 of 73
IBM [ IBM ]
