参数资料
型号: 557G-08
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 时钟及定时
英文描述: 557 SERIES, LOW SKEW CLOCK DRIVER, 1 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO16
封装: 0.173 INCH, TSSOP-16
文件页数: 8/12页
文件大小: 256K
代理商: 557G-08
ICS557-08
2:1 MULTIPLEXER CHIP FOR PCI-EXPRESS
PCIE MULTIPLEXER
IDT / ICS 2:1 MULTIPLEXER CHIP FOR PCI-EXPRESS
5
ICS557-08
REV H 051310
PCI-Express Layout Guidelines
PCI-Express Device Routing
Typical PCI-Express (HCSL) Waveform
Common Recommendations for Differential Routing
Dimension or Value
Unit
L1 length, Route as non-coupled 50 ohm trace.
0.5 max
inch
L2 length, Route as non-coupled 50 ohm trace.
0.2 max
inch
L3 length, Route as non-coupled 50 ohm trace.
0.2 max
inch
RS
33
ohm
RT
49.9
ohm
Differential Routing on a Single PCB
Dimension or Value
Unit
L4 length, Route as coupled microstrip 100 ohm differential trace.
2 min to 16 max
inch
L4 length, Route as coupled stripline 100 ohm differential trace.
1.8 min to 14.4 max
inch
Differential Routing to a PCI Express Connector
Dimension or Value
Unit
L4 length, Route as coupled microstrip 100 ohm differential trace.
0.25 to 14 max
inch
L4 length, Route as coupled stripline 100 ohm differential trace.
0.225 min to 12.6 max inch
R
S
R
S
R
T
R
T
PCI-Express
Load or
Connector
L1
L2
L3’
L4
L1’
L2’
L3
L4’
ICS557-08
Output
Clock
0.175 V
0.525 V
0.175 V
0.525 V
t
OR
t
OF
500 ps
700 mV
0
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相关代理商/技术参数
参数描述
557G-08LF 功能描述:编码器、解码器、复用器和解复用器 PCI-EXPRESS CLOCK MUX (2:1) RoHS:否 制造商:Micrel 产品:Multiplexers 逻辑系列:CMOS 位数: 线路数量(输入/输出):2 / 12 传播延迟时间:350 ps, 400 ps 电源电压-最大:2.625 V, 3.6 V 电源电压-最小:2.375 V, 3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Tray
557G-08LFT 功能描述:时钟驱动器及分配 PCI-EXPRESS CLOCK MUX (2:1) RoHS:否 制造商:Micrel 乘法/除法因子:1:4 输出类型:Differential 最大输出频率:4.2 GHz 电源电压-最大: 电源电压-最小:5 V 最大工作温度:+ 85 C 封装 / 箱体:SOIC-8 封装:Reel
557GI-03LF 功能描述:时钟发生器及支持产品 PCI-EXPRESS CLOCK SOURCE RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56
557GI-03LFT 功能描述:时钟发生器及支持产品 PCI-EXPRESS CLOCK SOURCE RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56
557GI-05A 制造商:ICS 制造商全称:ICS 功能描述:Quad Differential PCI-Express Clock Source