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874001AGI-05LF PDF预览

874001AGI-05LF

更新时间: 2024-01-19 15:10:54
品牌 Logo 应用领域
艾迪悌 - IDT 时钟驱动器逻辑集成电路光电二极管衰减器PC
页数 文件大小 规格书
17页 322K
描述
PCI EXPRESS™ JITTER ATTENUATOR

874001AGI-05LF 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Lifetime Buy零件包装代码:TSSOP
包装说明:TSSOP,针数:20
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.45
Samacsys Confidence:3Samacsys Status:Released
Samacsys PartID:11129382Samacsys Pin Count:20
Samacsys Part Category:Integrated CircuitSamacsys Package Category:Small Outline Packages
Samacsys Footprint Name:PGG20Samacsys Released Date:2020-01-31 03:24:48
Is Samacsys:N系列:874001
输入调节:DIFFERENTIAL MUXJESD-30 代码:R-PDSO-G20
JESD-609代码:e3长度:6.5 mm
逻辑集成电路类型:PLL BASED CLOCK DRIVER湿度敏感等级:1
功能数量:1反相输出次数:
端子数量:20实输出次数:1
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.2 mm最大供电电压 (Vsup):3.6 V
最小供电电压 (Vsup):3 V标称供电电压 (Vsup):3.3 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn) - annealed端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:4.4 mm
最小 fmax:640 MHzBase Number Matches:1

874001AGI-05LF 数据手册

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ICS874001I-05  
PCI EXPRESS™ JITTER ATTENUATOR  
PCI EXPRESS APPLICATION NOTE  
PCI Express jitter analysis methodology models the system  
response to reference clock jitter. The below block diagram  
shows the most frequently used Common Clock Architecture  
in which a copy of the reference clock is provided ot both ends  
of the PCI Express Link.  
In order to generate time domain jitter numbers, an inverse  
Fourier Transform is performed on X(s) * H3(s) * [H1(s) - H2(s)].  
For PCI Express Gen 1, one transfer function is defined and  
the evaluation is performed over the entire spectrum: DC to  
Nyquist (e.g for a 100MHz reference clock: 0Hz to 50MHz) and  
the jitter result is reported in peak-peak. For PCI Express Gen2,  
two transfer functions are defined with 2 evaluation ranges and  
the final jitter number is reported in rms. The two evaluation  
ranges for PCI Express Gen 2 are 10kHz - 1.5MHz (Low Band)  
and 1.5MHz - Nyquist (High Band). The below plots show the  
individual transfer functions as function H1, F2 for H2, and f#  
for H3. For a more thorough overivew of PCI Express jitter  
analysis methodology, please refer to IDT Application Note, PCI  
Express Reference Clock Requirements.  
In the jitter analysis, the Tx and Rx serdes PLLs are modeled  
as well as the phase interpolator in the receiver. These ransfer  
functions are called H1, H2 and H3 respectively. The overall  
system transfer function at the receiver is:  
Ht(s) = H3(s) * [H1(s) - H2(s)]  
The jitter spectrum seen by the receiver is the result of applying  
this system transfer function to the clock spectrum X(s) and is:  
Y(s) = X(s) * H3(s) * [H1(s) - H2(s)]  
-
Y(s)  
Tx Serdes  
2.5 GHz  
Rx Serdes  
Q
D
Phase  
Aligner  
H3(s)  
PLL  
x25 Mult  
H1(s)  
PLL  
x25 Mult  
H2(s) 2.5 GHz  
100 MHz  
X(s)  
100 MHz  
X(s)  
Reference  
Clock  
System Transfer Function, Ht(s) = H3(s) * [H1(s) - H2(s)]  
Reference Clock Spectrum seen by Receiver Sample Latch,Y(s) = X(s) * Ht(s)  
IDT/ ICSPCI EXPRESS JITTERATTENUATOR  
12  
ICS874001AGI-05 REV. A APRIL 20, 2009  

874001AGI-05LF 替代型号

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