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参数资料
| 型号： | MK2069-03GITR |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 160 MHz, OTHER CLOCK GENERATOR, PDSO56 |
| 封装： | 6.10 MM, 0.50 MM PITCH, TSSOP-56 |
| 文件页数： | 4/19页 |
| 文件大小： | 339K |
| 代理商： | MK2069-03GITR |
VCXO-Based Clock Translator with High Multiplication
MDS 2069-03
J
12
Revision 030906
Integrated Circuit Systems, Inc. l 525 Race Street, San Jose, CA 95126 l tel (408) 295-9800 l
MK2069-03
especially sensitive to noise, such as SONET or G-Bit
ethernet transceivers, some or all of the following
crystal shielding techniques should be considered. This
is especially important when the MK2069-03 is placed
near high speed logic or signal traces.
The following techniques are illustrated on the
Recommended PCB Layout drawing.
1) The metal layer underneath the crystal section
should be the ground layer. Remove all other layers
that are above. This ground layer will help shield the
crystal circuit from other system noise sources. As an
alternative, all layers underneath the crystal can be
removed, however this is not recommended if there are
adjacent PCBs that can induce noise into the
unshielded crystal circuit.
2) Cut a channel in the PCB ground plane around the
crystal area as shown. This will eliminate high
frequency ground currents that can couple into the
crystal circuit.
3) Add a through-hole for the optional third lead offered
by the crystal manufacturer (case ground). The
requirement for this third lead can be made at prototype
evaluation. The crystal is less sensitive to system noise
interference when the case is grounded.
4) Add a ground trace around the crystal circuit to
shield from other active traces on the component layer.
The external crystal is particularly sensitive to other
system clock sources that are at or near the crystal
frequency since it will try to lock to the interfering clock
source. The crystal should be keep away from these
clock sources.
The ICS Applications Note MAN05 may also be
referenced for additional suggestions on layout of the
crystal section.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MK2069-04 | 制造商:ICS 制造商全称:ICS 功能描述:VCXO-Based Universal Clock Translator |
| MK2069-04GI | 功能描述:IC VCXO CLK TRANSLATOR 56-TSSOP RoHS:否 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器，PLL，频率合成器 系列:- 标准包装:39 系列:- 类型:* PLL:带旁路 输入:时钟 输出:时钟 电路数:1 比率 - 输入:输出:1:10 差分 - 输入:输出:是/是 频率 - 最大:170MHz 除法器/乘法器:无/无 电源电压:2.375 V ~ 3.465 V 工作温度:0°C ~ 70°C 安装类型:* 封装/外壳:* 供应商设备封装:* 包装:* |
| MK2069-04GILF | 功能描述:时钟发生器及支持产品 VCXO-BASED UNIVERSAL CLOCK TRANSLATOR 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 |
| MK2069-04GILFTR | 功能描述:时钟发生器及支持产品 VCXO-BASED UNIVERSAL CLOCK TRANSLATOR 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 |
| MK2069-04GITR | 功能描述:IC VCXO CLK TRANSLATOR 56-TSSOP RoHS:否 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器，PLL，频率合成器 系列:- 标准包装:39 系列:- 类型:* PLL:带旁路 输入:时钟 输出:时钟 电路数:1 比率 - 输入:输出:1:10 差分 - 输入:输出:是/是 频率 - 最大:170MHz 除法器/乘法器:无/无 电源电压:2.375 V ~ 3.465 V 工作温度:0°C ~ 70°C 安装类型:* 封装/外壳:* 供应商设备封装:* 包装:* |
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