PI6C185-00QIE Pericom Semiconductor, PI6C185-00QIE Datasheet - Page 6
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PI6C185-00QIE
Manufacturer Part Number
PI6C185-00QIE
Description
Clock Buffer Precision 1:7 Clock Driver
Manufacturer
Pericom Semiconductor
Datasheet
1.PI6C185-00QE.pdf
(7 pages)
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