PI6C185-00QIE Pericom Semiconductor, PI6C185-00QIE Datasheet - Page 6

• Manufacturer Part Number: PI6C185-00QIE
• Description: Clock Buffer Precision 1:7 Clock Driver
• Manufacturer: Pericom Semiconductor

Specifications of PI6C185-00QIE

• Number Of Outputs: 7
• Max Input Freq: 125 MHz
• Propagation Delay (max): 5 ns
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Package / Case: QSOP-20
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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
08-0298
C1
C2
C3
PI6C185
DD
Figure 2. Design Guidelines
V
V
V
V
V
DD
DD
DD
SS
SS
.
7
1
2
3
4
5
6
7
8
9
10
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 .............. 0.1μF, ceramic
C6 .................. 22μF
C5
C4
FB
Precision 1-7 Clock Buffer
Via to
Via to
Void in Power Plane
V
22mF
V
V
C6
SS Plane
DD Plane
DD
PS8317F
PI6C185-00
11/13/08