参数资料
型号: PI6C557-05LE
厂商: Pericom
文件页数: 4/9页
文件大小: 0K
描述: IC CLOCK GENERATOR 20-TSSOP
产品培训模块: Total Timing Technology
标准包装: 74
系列: PCI Express® (PCIe)
类型: 时钟/频率发生器
PLL:
主要目的: 以太网,PCI Express(PCIe)
输入: 时钟,晶体
输出: HCSL,LVDS
电路数: 1
比率 - 输入:输出: 1:4
差分 - 输入:输出: 无/是
频率 - 最大: 200MHz
电源电压: 3.135 V ~ 3.465 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 20-TSSOP
包装: 管件
4
PI6C557-05
PCIe 2.0 Clock Generator with 4 HCSL Outputs
www.pericom.com
P-0.1
04/29/11
All trademarks are property of their respective owners.
PCI-Express Layout Guidelines
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
RS
R
S
R
T
R
T
PCI-Express
Load or
Connector
L1
L2
L3’
L4
L1’
L2’
L3
L4’
PI6C557-05
Output
Clock
0.175 V
0.52 V
0.175 V
0.52 V
t
OR
t
OF
500 ps
700 mV
0
PCI-Express Device Routing
Typical PCI-Express (HCSL) Waveform
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 min to 14 max
inch
L4 length, route as coupled stripline 100-Ohm differential trace.
0.225 min to 12.6 max
inch
11-0063
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