pi6c185-00 Pericom Semiconductor Corporation, pi6c185-00 Datasheet - Page 6

• Manufacturer Part Number: pi6c185-00
• Description: 3.3v, 125mhz Mobile Pc 1 7 Output Clock Driver
• Manufacturer: Pericom Semiconductor Corporation

1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2
PCB Layout Suggestion
Note:
This is only a suggested layout. There may be alternate solutions
depending on actual PCB design and layout.
As a general rule, C1-C5 should be placed as close as possible to
their respective V
Chipset
From
C1
C2
C3
PI6C185
DD
Figure 2. Design Guidelines
V
V
V
V
V
DD
DD
DD
SS
SS
.
1
2
3
4
5
6
7
8
9
10
7
R
s
CL
SDRAM
DIMM
Spec.
20
19
18
17
16
15
14
13
12
11
6
V
V
V
V
V
DD
SS
DD
SS
SS
Recommended capacitor values:
C1-C5 .............. 0.1 F, ceramic
C6 .................. 22 F
C5
C4
FB
Precision 1-7 Clock Buffer
Via to
Via to
Void in Power Plane
V
V
V
22 F
C6
SS Plane
DD Plane
DD
PS8317E
PI6C185-00
12/06/04