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参数资料
| 型号： | ICS9DB202CF |
| 元件分类： | 时钟及定时 |
| 英文描述： | 9DB SERIES, PLL BASED CLOCK DRIVER, 2 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO20 |
| 封装： | 0.209 INCH, 5.30 X 7.20 MM, 1.75 MM HEIGHT, MO-150, SSOP-20 |
| 文件页数： | 1/12页 |
| 文件大小： | 232K |
| 代理商： | ICS9DB202CF |
9DB202CG
www.icst.com/products/hiperclocks.html
REV. B MAY 26, 2006
1
Integrated
Circuit
Systems, Inc.
ICS9DB202
PCI EXPRESS
JITTER ATTENUATOR
GENERAL DESCRIPTION
The ICS9DB202 is a high perfromance 1-to-2 Dif-
ferential-to-HCSL 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-attenuating device may be necessary in order
to reduce high frequency random and deterministic jitter com-
ponents from the PLL synthesizer and from the system board.
The ICS9DB202 has two PLL bandwidth modes. In low band-
width mode, the PLL loop bandwidth is 500kHz. This setting of-
fers the best jitter attenuation and is still high enough to pass a
triangular input spread spectrum profile. In high bandwidth mode,
the PLL bandwidth is at 1MHz and allows the PLL to pass more
spread spectrum modulation.
For serdes which have x10 reference multipliers instead of x12.5
multipliers, each of the two PCI Express outputs (PCIEX0:1)
can be set for 125MHz instead of 100MHz by configuring the
appropriate frequency select pins (FS0:1).
FEATURES
Two 0.7V current mode differential HCSL output pairs
One differential clock input
CLK and nCLK supports the following input types:
LVPECL, LVDS, LVHSTL, SSTL, HCSL
Maximum output frequency: 140MHz
Output skew: 110ps (maximum)
Cycle-to-cycle jitter: 110ps (maximum)
RMS phase jitter @ 100MHz, (1.5MHz - 22MHz):
2.42ps (typical)
3.3V operating supply
0°C to 70°C ambient operating temperature
Available in both standard and lead-free RoHS compliant
packages
Industrial temperature information available upon request
HiPerClockS
ICS
PIN ASSIGNMENT
nOE0
nCLK
CLK
BYPASS
nOE1
PCIEXT0
nPCIEXC0
PCIEXT1
nPCIEXC1
BLOCK DIAGRAM
ICS9DB202
20-Lead TSSOP
6.50mm x 4.40mm x 0.92
package body
G Package
Top View
ICS9DB202
20-Lead, 209-MIL SSOP
5.30mm x 7.20mm x 1.75mm
body package
F Package
Top View
Phase
Detector
VCO
Loop
Filter
1 HiZ
0 Enabled
1 HiZ
0 Enabled
0 ÷4
1 ÷5
0 ÷5
1 ÷4
FS0
FS1
Internal Feedback
÷5
Current
Set
-
+
0
1
0
1
IREF
PLL_BW
CLK
nCLK
FS0
VDD
GND
PCIEXT0
PCIEXC0
VDD
nOE0
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
VDDA
BYPASS
IREF
FS1
VDD
GND
PCIEXT1
PCIEXC1
VDD
nOE1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ICS9DB202CFLF | 功能描述:IC JITTER ATTENUATOR 20-SSOP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 专用 系列:HiPerClockS™, PCI Express® (PCIe) 标准包装:1,500 系列:- 类型:时钟缓冲器/驱动器 PLL:是 主要目的:- 输入:- 输出:- 电路数:- 比率 - 输入:输出:- 差分 - 输入:输出:- 频率 - 最大:- 电源电压:3.3V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-SSOP（0.209"，5.30mm 宽） 供应商设备封装:28-SSOP 包装:带卷 (TR) 其它名称:93786AFT |
| ICS9DB202CFLFT | 功能描述:IC JITTER ATTENUATOR 20-SSOP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 专用 系列:HiPerClockS™, PCI Express® (PCIe) 标准包装:1,500 系列:- 类型:时钟缓冲器/驱动器 PLL:是 主要目的:- 输入:- 输出:- 电路数:- 比率 - 输入:输出:- 差分 - 输入:输出:- 频率 - 最大:- 电源电压:3.3V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-SSOP（0.209"，5.30mm 宽） 供应商设备封装:28-SSOP 包装:带卷 (TR) 其它名称:93786AFT |
| ICS9DB202CGLF | 功能描述:IC JITTER ATTENUATOR 20-TSSOP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 专用 系列:HiPerClockS™, PCI Express® (PCIe) 标准包装:1 系列:- 类型:时钟/频率发生器，多路复用器 PLL:是 主要目的:存储器，RDRAM 输入:晶体 输出:LVCMOS 电路数:1 比率 - 输入:输出:1:2 差分 - 输入:输出:无/是 频率 - 最大:400MHz 电源电压:3 V ~ 3.6 V 工作温度:0°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:16-TSSOP 包装:Digi-Reel® 其它名称:296-6719-6 |
| ICS9DB202CGLFT | 功能描述:IC JITTER ATTENUATOR 20-TSSOP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 专用 系列:HiPerClockS™, PCI Express® (PCIe) 标准包装:1,500 系列:- 类型:时钟缓冲器/驱动器 PLL:是 主要目的:- 输入:- 输出:- 电路数:- 比率 - 输入:输出:- 差分 - 输入:输出:- 频率 - 最大:- 电源电压:3.3V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-SSOP（0.209"，5.30mm 宽） 供应商设备封装:28-SSOP 包装:带卷 (TR) 其它名称:93786AFT |
| ICS9DB202CK-01LF | 功能描述:IC JITTER ATTENUATOR 32-VFQFN RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 专用 系列:HiPerClockS™, PCI Express® (PCIe) 标准包装:1 系列:- 类型:时钟/频率发生器，多路复用器 PLL:是 主要目的:存储器，RDRAM 输入:晶体 输出:LVCMOS 电路数:1 比率 - 输入:输出:1:2 差分 - 输入:输出:无/是 频率 - 最大:400MHz 电源电压:3 V ~ 3.6 V 工作温度:0°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:16-TSSOP 包装:Digi-Reel® 其它名称:296-6719-6 |
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