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874003AG-02LFT PDF预览

874003AG-02LFT

更新时间: 2024-09-30 01:12:23
品牌 Logo 应用领域
艾迪悌 - IDT PC
页数 文件大小 规格书
15页 776K
描述
PCI EXPRESS Jitter Attenuator

874003AG-02LFT 数据手册

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PCI EXPRESS™ Jitter Attenuator  
ICS874003-02  
DATA SHEET  
General Description  
Features  
The ICS874003-02 is a high performance Differential-to- LVDS Jitter  
Attenuator designed for use in PCI Express systems. In some PCI  
Express systems, such as those found in desktop PCs, the PCI  
Express clocks are generated from a low bandwidth, high phase  
noise PLL frequency synthesizer. In these systems, a jitter  
attenuator may be required to attenuate high frequency random and  
deterministic jitter components from the PLL synthesizer and from  
the system board. The ICS874003-02 has a bandwidth of 400kHz  
which is designed to provide good jitter attenuation.  
Three differential LVDS output pairs  
One differential clock input  
CLK, nCLK supports the following input levels: LVPECL, LVDS,  
LVHSTL, HCSL, SSTL  
Input frequency range: 98MHz to 128MHz  
Output frequency range: 98MHz to 320MHz  
VCO range: 490MHz - 640MHz  
Cycle-to-cycle jitter: 35ps (maximum)  
The ICS874003-02 uses IDT’s 3RD Generation Femtoclock® PLL  
technology to achieve the lowest possible phase noise. The device is  
packaged in a 20 lead TSSOP package, making it ideal for use in  
space constrained applications such as PCI Express add-in cards.  
For PCI Express Spread Spectrum Clocking support use the  
ICS874003-05  
Full 3.3V supply mode  
0°C to 70°C ambient operating temperature  
Available in both standard (RoHS 5) and lead-free (RoHS 6)  
packages  
Pin Assignment  
F_SEL[2:0] Function Table  
QA1  
VDDO  
QA0  
1
2
20 nQA1  
Inputs  
Outputs  
QA[0:1], nQA[0:1]  
19  
VDDO  
F_SEL2  
F_SEL1  
F_SEL0  
QB0, nQB0  
3
4
18  
17  
QB0  
nQB0  
nQA0  
0
1
0
1
0
1
0
1
0
0
1
1
0
0
1
1
0
0
0
0
1
1
1
1
÷2  
÷5  
÷4  
÷2  
÷2  
÷5  
÷4  
÷4  
÷2  
÷2  
÷2  
÷4  
÷5  
÷4  
÷5  
÷4  
MR  
F_SEL0  
nc  
5
6
7
8
9
16 F_SEL2  
15  
14  
13  
OEB  
GND  
nCLK  
VDDA  
F_SEL1  
12 CLK  
11  
OEA  
VDD 10  
ICS874003-02  
20-Lead TSSOP  
6.5mm x 4.4mm x 0.925mm package body  
G Package  
Top View  
ICS874003AG-02 REVISION B SEPTEMBER 14, 2010  
1
©2010 Integrated Device Technology, Inc.  

874003AG-02LFT 替代型号

型号 品牌 替代类型 描述 数据表
874003AG-02LF IDT

完全替代

PCI EXPRESS Jitter Attenuator

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