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参数资料
| 型号： | MPC9991FAR2 |
| 厂商： | MOTOROLA INC |
| 元件分类： | 时钟及定时 |
| 英文描述： | PLL BASED CLOCK DRIVER, 13 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP52 |
| 封装： | LQFP-52 |
| 文件页数： | 3/16页 |
| 文件大小： | 215K |
| 代理商： | MPC9991FAR2 |
MPC9991
TIMING SOLUTIONS
11
MOTOROLA
Table 10: Confidence Facter CF
CF
Probability of clock edge within the distribution
± 1s
0.68268948
± 2s
0.95449988
± 3s
0.99730007
± 4s
0.99993663
± 5s
0.99999943
± 6s
0.99999999
The feedback trace delay is determined by the board
layout and can be used to fine-tune the effective delay
through each device. In the following example calculation a
I/O jitter confidence factor of 99.7% (
± 3s) is assumed,
resulting in a worst case timing uncertainty from input to any
output of -345 ps to 345 ps1 relative to CCLK:
tSK(PP) =
[–150ps...150ps] + [–150ps...150ps] +
[(15ps
@ –3)...(15ps @ 3)] + tPD, LINE(FB)
tSK(PP) =
[–345ps...345ps] + tPD, LINE(FB)
Due to the frequency dependence of the I/O jitter,
Figure 8. “Max. I/O Jitter versus frequency” can be used for a
more precise timing performance analysis.
Figure 8. Max. I/O Jitter versus frequency
TBD
See MPC961C application section for
an example I/O jitter characteristics
Figure 9. MPC9991 AC test reference
Differential
Pulse Generator
Z = 50
W
RT = 50
ZO = 50
DUT MPC9991
VTT
RT = 50
ZO = 50
VTT
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MPC9992 | 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:3.3 DIFFRERENTIAL ECL/PECL PLL CLOCK GENERATOR |
| MPC9992AC | 功能描述:时钟发生器及支持产品 RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56 |
| MPC9992ACR2 | 功能描述:时钟发生器及支持产品 RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56 |
| MPC9992FA | 功能描述:锁相环 - PLL 2.5 3.3V 400MHz Clock Generator RoHS:否 制造商:Silicon Labs 类型:PLL Clock Multiplier 电路数量:1 最大输入频率:710 MHz 最小输入频率:0.002 MHz 输出频率范围:0.002 MHz to 808 MHz 电源电压-最大:3.63 V 电源电压-最小:1.71 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:QFN-36 封装:Tray |
| MPC9992FAR2 | 制造商:Integrated Device Technology Inc 功能描述:PLL Clock Driver Single 32-Pin LQFP T/R |
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