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参数资料
| 型号： | SM802108UMG |
| 厂商： | MICREL INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 156.25 MHz, OTHER CLOCK GENERATOR, QCC24 |
| 封装： | 4 X 4 MM, GREEN, QFN-24 |
| 文件页数： | 8/11页 |
| 文件大小： | 457K |
| 代理商： | SM802108UMG |
Micrel, Inc.
SM802108
January 2011
6
M9999-012111-A
hbwhelp@micrel.com or (408) 955-1690
AC Electrical Characteristics
(4, 5)
VDD = VDDO1/2 = 3.3V ±5% or 2.5V ±5%
VDD = 3.3V ±5%, VDDO1/2 = 3.3V ±5% or 2.5V ±5%
TA = 40°C to +85°C. RL = 50 to VDDO 2V
Symbol
Parameter
Condition
Min.
Typ.
Max.
Units
FOUT1
Output Frequency 1
156.25
MHz
FOUT2
Output Frequency 2
125
Ppm
Output ppm Variation
Crystal reference. Note 6
50
ppm
FREF
Reference Input Frequency
25
MHz
TR/TF
LVPECL Output Rise/Fall Time
20% – 80%
80
175
350
ps
ODC
Output Duty Cycle
48
50
52
%
TSKEW
Output-to-Output Skew
Within bank. Note 7
45
ps
TLOCK
PLL Lock Time
20
ms
Tjit()
RMS Phase Jitter
(8)
156.25MHz
Integration Range (1.875MHz – 20MHz)
Integration Range (12kHz – 20MHz)
125MHz
Integration Range (1.875MHz – 20MHz)
Integration Range (12kHz – 20MHz)
110
250
110
250
fs
Spurious Noise Components
6.25MHz
25MHz
-73
-58
dBc
Notes:
5.
All phase noise measurements were taken with an Agilent 5052B phase noise system.
6.
Crystal tolerance at room less than +/- 15ppm, over temp less than +/- 20ppm.
7.
Defined as skew between outputs at the same supply voltage and with equal load conditions and same frequency; Measured at the output
differential crossing points.
8.
Measured using 25MHz crystal as the input reference source.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SM802108UMG TR | 功能描述:时钟合成器/抖动清除器 2 x 156.25MHz + 2 x 125MHz LVPECL RoHS:否 制造商:Skyworks Solutions, Inc. 输出端数量: 输出电平: 最大输出频率: 输入电平: 最大输入频率:6.1 GHz 电源电压-最大:3.3 V 电源电压-最小:2.7 V 封装 / 箱体:TSSOP-28 封装:Reel |
| SM802108UMGR | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:ClockWorks? 10GbE & GbE (156.25MHz, 125MHz) Ultra-Low Jitter, LVPECL Frequency Synthesizer |
| SM802109 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:ClockWorks? PCI-e Quad 100MHz Ultra-Low Jitter, HCSL Frequency Synthesizer |
| SM802109UMG | 功能描述:时钟合成器/抖动清除器 4 x 100MHz LVPECL RoHS:否 制造商:Skyworks Solutions, Inc. 输出端数量: 输出电平: 最大输出频率: 输入电平: 最大输入频率:6.1 GHz 电源电压-最大:3.3 V 电源电压-最小:2.7 V 封装 / 箱体:TSSOP-28 封装:Reel |
| SM802109UMG TR | 功能描述:时钟合成器/抖动清除器 5 x 100MHz LVPECL RoHS:否 制造商:Skyworks Solutions, Inc. 输出端数量: 输出电平: 最大输出频率: 输入电平: 最大输入频率:6.1 GHz 电源电压-最大:3.3 V 电源电压-最小:2.7 V 封装 / 箱体:TSSOP-28 封装:Reel |
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