pi6c557-03 Pericom Semiconductor Corporation, pi6c557-03 Datasheet - Page 4
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pi6c557-03
Manufacturer Part Number
pi6c557-03
Description
100mhz, 125mhz Dual Pcie Clock Generator
Manufacturer
Pericom Semiconductor Corporation
Datasheet
1.PI6C557-03.pdf
(8 pages)
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PCI-Express Layout Guidelines
PCI-Express Device Routing
Typical PCI-Express (HCSL) Waveform
Common Recommendations for Differential Routing
L1 length, route as non-coupled 50Ω trace.
L2 length, route as non-coupled 50Ω trace.
L3 length, route as non-coupled 50Ω trace.
R
R
Differential Routing on a Single PCB
L4 length, route as coupled microstrip 100Ω differential trace.
L4 length, route as coupled stripline 100Ω differential trace.
Differential Routing to a PCI Express connector
L4 length, route as coupled microstrip 100Ω differential trace.
L4 length, route as coupled stripline 100Ω differential trace.
S
T
0
07-0274
0.175 V
PI6C557-03
t
OR
Output
0.52 V
Clock
500 ps
700 mV
L1
500 ps
L1’
0.52 V
R
R
S
S
0.175 V
t
OF
L2’
L2
L3’
R
T
L3
R
4
T
L4’
L4
0.225 min to 12.6 max
Dimension or Value
Dimension or Value
Dimension or Value
1.8 min to 14.4 max
0.25 min to 14 max
2 min to 16 max
0.5 max
0.2 max
0.2 max
49.9
33
PCI-Express
Connector
Load or
PCI Express Clock
Unit
Unit
Unit
inch
inch
inch
inch
inch
inch
inch
Ω
Ω
PS8824C
PI6C557-03
12/14/07