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参数资料
| 型号： | 181MI-01T |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 75 MHz, OTHER CLOCK GENERATOR, PDSO8 |
| 封装： | 0.150 INCH, SOIC-8 |
| 文件页数： | 3/8页 |
| 文件大小： | 150K |
| 代理商： | 181MI-01T |
ICS181-01
LOW EMI CLOCK GENERATOR
SSCG
IDT / ICS LOW EMI CLOCK GENERATOR
3
ICS181-01
REV C 081009
External Components
The ICS181-01 requires a minimum number of external
components for proper operation.
Decoupling Capacitor
A decoupling capacitor of 0.01F must be connected
between VDD and GND on pins 6 and 3, as close to
these pins as possible. For optimum device
performance, the decoupling capacitor should be
mounted on the component side of the PCB. Avoid the
use of vias in the decoupling circuit.
Series Termination Resistor
When the PCB trace between the clock output and the
load is over 1 inch, series termination should be used.
To series terminate a 50
trace (a commonly used trace
impedance) place a 33
resistor in series with the clock
line, as close to the clock output pin as possible. The
nominal impedance of the clock output is 20
.
value of these capacitors is given by the following
equation:
PCB Layout Recommendations
For optimum device performance and lowest output
phase noise, the following guidelines should be
observed.
1) The 0.01F decoupling capacitor should be mounted
on the component side of the board as close to the VDD
pin as possible. No vias should be used between the
decoupling capacitor and VDD pin. The PCB trace to
VDD pin should be kept as short as possible, as should
the PCB trace to the ground via.
2) To minimize EMI, the 33
series termination resistor
(if needed) should be placed close to the clock output.
3) An optimum layout is one with all components on the
same side of the board, minimizing vias through other
signal layers. Other signal traces should be routed away
from the ICS181-01. This includes signal traces just
underneath the device, or on layers adjacent to the
ground plane layer used by the device.
Absolute Maximum Ratings
Stresses above the ratings listed below can cause permanent damage to the ICS181-01. These ratings,
which are standard values for IDT commercially rated parts, are stress ratings only. Functional operation of
the device at these or any other conditions above those indicated in the operational sections of the
specifications is not implied. Exposure to absolute maximum rating conditions for extended periods can
affect product reliability. Electrical parameters are guaranteed only over the recommended operating
temperature range.
Item
Rating
Supply Voltage, VDD
7 V
All Inputs and Outputs
-0.5 V to VDD+0.5 V
Ambient Operating Temperature (commercial)
0 to +70
° C
Ambient Operating Temperature (industrial)
-40 to +85
° C
Storage Temperature
-65 to +150
° C
Junction Temperature
125
° C
Soldering Temperature
260
° C
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 181MI-02LF | 功能描述:时钟发生器及支持产品 LOW EMI CLOCK GENERATOR 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 |
| 181MI-02LFT | 制造商:Integrated Device Technology Inc 功能描述:PLL Clock Synthesizer Single 8-Pin SOIC N T/R 制造商:Integrated Device Technology Inc 功能描述:PLL CLOCK SYNTHESIZER SGL 8SOIC - Tape and Reel 制造商:Integrated Device Technology Inc 功能描述:LOW EMI CLOCK GENERATOR |
| 181NQ | 制造商:IRF 制造商全称:International Rectifier 功能描述:SCHOTTKY RECTIFIER |
| 181NQ035 | 功能描述:DIODE SCHOTTKY 35V 180A HALF-PAK RoHS:是 类别:半导体模块 >> 二极管，整流器 系列:- 标准包装:10 系列:- 电压 - 在 If 时为正向 (Vf)（最大）:1.45V @ 30A 电流 - 在 Vr 时反向漏电:15µA @ 400V 电流 - 平均整流 (Io)（每个二极管）:30A 电压 - (Vr)（最大）:400V 反向恢复时间(trr):65ns 二极管类型:标准 速度:快速恢复 = 200mA（Io） 二极管配置:2 个独立式 安装类型:底座安装 封装/外壳:ISOTOP 供应商设备封装:ISOTOP? 包装:管件 |
| 181NQ035-1 | 功能描述:DIODE SCHOTTKY 35V 180A PRM1-1 制造商:smc diode solutions 系列:- 包装:散装 零件状态:有效 二极管类型:肖特基 电压 - DC 反向（Vr）（最大值）:35V 电流 - 平均整流（Io）:180A 不同 If 时的电压 - 正向（Vf）:660mV @ 180A 速度:快速恢复 = 200mA（Io） 反向恢复时间（trr）:- 不同?Vr 时的电流 - 反向漏电流:15mA @ 35V 不同?Vr，F 时的电容:7800pF @ 5V，1MHz 安装类型:底座安装 封装/外壳:HALF-PAK 供应商器件封装:PRM1-1（Half Pak 模块） 工作温度 - 结:-55°C ~ 175°C 标准包装:27 |
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