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参数资料
| 型号： | ICS84329BYT |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 700 MHz, OTHER CLOCK GENERATOR, PQFP32 |
| 封装： | 7 X 7 MM, 1.40 MM HEIGHT, MS-026BBC-HD, LQFP-32 |
| 文件页数： | 3/21页 |
| 文件大小： | 2417K |
| 代理商： | ICS84329BYT |
ICS84329B
700MHZ, LOW JITTER, CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
IDT / ICS LVPECL FREQUENCY SYNTHESIZER
11
ICS84329BV REV. B DECEMBER 20, 2007
Termination for 3.3V LVPECL Outputs
The clock layout topology shown below is a typical termination for
LVPECL outputs. The two different layouts mentioned are
recommended only as guidelines.
FOUT and nFOUT are low impedance follower outputs that
generate ECL/LVPECL compatible outputs. Therefore, terminating
resistors (DC current path to ground) or current sources must be
used for functionality. These outputs are designed to drive 50
transmission lines. Matched impedance techniques should be
used to maximize operating frequency and minimize signal
distortion. Figures 6A and 6B show two different layouts which are
recommended only as guidelines. Other suitable clock layouts may
exist and it would be recommended that the board designers
simulate to guarantee compatibility across all printed circuit and
clock component process variations.
Figure 6A. 3.3V LVPECL Output Termination
Figure 6B. 3.3V LVPECL Output Termination
V
CC - 2V
50
50
RTT
Z
o = 50
Z
o = 50
FOUT
FIN
RTT =
Z
o
1
((V
OH + VOL) / (VCC – 2)) – 2
3.3V
125
125
84
84
Z
o = 50
Z
o = 50
FOUT
FIN
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ICS8432BI51 | 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:700MHZ, CYRSTAL-TO-3.3V DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER |
| ICS8432BI-51L | 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:700MHZ, CYRSTAL-TO-3.3V DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER |
| ICS8432BK-51 | 制造商:ICS 制造商全称:ICS 功能描述:700MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER |
| ICS8432BK-51LF | 功能描述:IC SYNTHESIZER LVPECL 32-VFQFPN RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器，PLL，频率合成器 系列:HiPerClockS™ 标准包装:1,000 系列:- 类型:时钟/频率合成器，扇出分配 PLL:- 输入:- 输出:- 电路数:- 比率 - 输入:输出:- 差分 - 输入:输出:- 频率 - 最大:- 除法器/乘法器:- 电源电压:- 工作温度:- 安装类型:表面贴装 封装/外壳:56-VFQFN 裸露焊盘 供应商设备封装:56-VFQFP-EP（8x8） 包装:带卷 (TR) 其它名称:844S012AKI-01LFT |
| ICS8432BK-51LFT | 功能描述:IC SYNTHESIZER LVPECL 32-VFQFPN RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器，PLL，频率合成器 系列:HiPerClockS™ 标准包装:1,000 系列:- 类型:时钟/频率合成器，扇出分配 PLL:- 输入:- 输出:- 电路数:- 比率 - 输入:输出:- 差分 - 输入:输出:- 频率 - 最大:- 除法器/乘法器:- 电源电压:- 工作温度:- 安装类型:表面贴装 封装/外壳:56-VFQFN 裸露焊盘 供应商设备封装:56-VFQFP-EP（8x8） 包装:带卷 (TR) 其它名称:844S012AKI-01LFT |
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