參數(shù)資料
型號: 9LPRS462AGLFT
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 時鐘產(chǎn)生/分配
英文描述: 240 MHz, OTHER CLOCK GENERATOR, PDSO8
封裝: 6.10 MM, 0.50 MM PITCH, ROHS COMPLIANT, MO-153, TSSOP-8
文件頁數(shù): 5/23頁
文件大小: 248K
代理商: 9LPRS462AGLFT
ICS9LPRS462
Low Power Clock for ATI RS/RD600 series chipsets for AMD CPUs
IDTTM/ICSTM
Low Power Clock for ATI RS/RD600 series chipsets for AMD CPUs
1378A—04/07/08
13
SRC Reference Clock
Common Recommendations for Differential Routing
Dimension or Value
Unit
Figure
L1 length, Route as non-coupled 50 ohm trace.
0.5 max
inch
2
L2 length, Route as non-coupled 50 ohm trace.
N/A
inch
2
L3 length, Route as non-coupled 50 ohm trace.
N/A
inch
2
Rs
33
ohm
2
Rt
49.9
ohm
2
Down Device Differential Routing
Dimension or Value
Unit
Figure
L4 length, Route as coupled microstrip 100 ohm differential trace.
2 min to 16 max
inch
2
L4 length, Route as coupled stripline 100 ohm differential trace.
1.8 min to 14.4 max
inch
2
Differential Routing to PCI Express Connector
Dimension or Value
Unit
Figure
L4 length, Route as coupled microstrip 100 ohm differential trace.
0.25 to 14 max
inch
3
L4 length, Route as coupled stripline 100 ohm differential trace.
0.225 min to 12.6 max
inch
3
Figure 2 Down device routing.
PCI Ex Board
Down Device
REF_CLK Input
L1
L4
L1’
L4’
Figure 2
Figure 3 PCI Express Connector Routing.
Low Power Output Buffer
w/integrated series resistor
PCI Ex
Add In Board
REF_CLK Input
L1
L4
L1’
L4’
Figure 3
Low Power Output Buffer
w/integrated series resistor
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