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参数资料
| 型号： | ICS341MIPLFT |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 200 MHz, OTHER CLOCK GENERATOR, PDSO8 |
| 封装： | 0.150 INCH, ROHS COMPLIANT, SOIC-8 |
| 文件页数： | 2/9页 |
| 文件大小： | 212K |
| 代理商： | ICS341MIPLFT |
ICS341
FIELD PROGRAMMABLE SS VERSACLOCK SYNTHESIZER
EPROM CLOCK SYNTHESIZER
IDT / ICS FIELD PROGRAMMABLE SS VERSACLOCK SYNTHESIZER 2
ICS341
REV J 061206
Pin Assignment
8-pin (150 mil) SOIC
Output Clock Selection Table
Pin Descriptions
External Components
Series Termination Resistor
Clock output traces over one inch should use series
termination. 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
.
Decoupling Capacitor
As with any high-performance mixed-signal IC, the ICS341
must be isolated from system power supply noise to perform
optimally.
A decoupling capacitor of 0.01F must be connected
between VDD and the PCB ground plane.
Crystal Load Capacitors
The device crystal connections should include pads for
small capacitors from X1 to ground and from X2 to ground.
These capacitors are used to adjust the stray capacitance of
the board to match the nominally required crystal load
capacitance. Because load capacitance can only be
increased in this trimming process, it is important to keep
stray capacitance to a minimum by using very short PCB
traces (and no vias) been the crystal and device. Crystal
capacitors must be connected from each of the pins X1 and
X2 to ground.
The value (in pF) of these crystal caps should equal (CL -6
pF)*2. In this equation, CL= crystal load capacitance in pF.
Example: For a crystal with a 16 pF load capacitance, each
crystal capacitor would be 20 pF [(16-6) x 2] = 20.
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
X 1 /IC L K
VDD
GN D
PDT S
S0
S1
CL K
X2
1
2
3
4
8
7
6
5
S1
S0
CLK (MHz)
Spread
Percentage
0
User
Configurable
User
Configurable
01
User
Configurable
User
Configurable
10
User
Configurable
User
Configurable
11
User
Configurable
User
Configurable
Pin
Number
Pin
Name
Pin
Type
Pin Description
1
X1/ICLK
XI
Connect this pin to a crystal or external clock input.
2
VDD
Power
Connect to +3.3 V.
3
GND
Power
Connect to ground.
4
S0
Input
Select pin 0 for frequency selection on CLK. Internal pull-up resistor.
5
CLK
Output
Clock output. Weak internal pull-down when tri-state.
6
S1
Input
Select pin 1 for frequency selection on CLK. Internal pull-up resistor.
7PDTS
Input
Powers down entire chip. Tri-states CLK outputs when low. Internal pull-up
resistor.
8
X2
XO
Connect this pin to a crystal, or float for clock input.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ICS341MIPT | 功能描述:IC VERSACLOCK SYNTHESIZER 8-SOIC 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:VersaClock™ 产品变化通告:Product Discontinuation 04/May/2011 标准包装:96 系列:- 类型:时钟倍频器，零延迟缓冲器 PLL:带旁路 输入:LVTTL 输出:LVTTL 电路数:1 比率 - 输入:输出:1:8 差分 - 输入:输出:无/无 频率 - 最大:133.3MHz 除法器/乘法器:是/无 电源电压:3 V ~ 3.6 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:16-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:16-TSSOP 包装:管件 其它名称:23S08-5HPGG |
| ICS341MLF | 制造商:ICSI 制造商全称:Integrated Circuit Solution Inc 功能描述:Field Programmable SS VersaClock Synthesizer |
| ICS341MP | 功能描述:IC VERSACLOCK SYNTHESIZER 8-SOIC 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:VersaClock™ 产品变化通告:Product Discontinuation 04/May/2011 标准包装:96 系列:- 类型:时钟倍频器，零延迟缓冲器 PLL:带旁路 输入:LVTTL 输出:LVTTL 电路数:1 比率 - 输入:输出:1:8 差分 - 输入:输出:无/无 频率 - 最大:133.3MHz 除法器/乘法器:是/无 电源电压:3 V ~ 3.6 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:16-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:16-TSSOP 包装:管件 其它名称:23S08-5HPGG |
| ICS341MPLF | 功能描述:IC VERSACLOCK SYNTHESIZER 8-SOIC 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:VersaClock™ 标准包装:2,000 系列:- 类型:PLL 时钟发生器 PLL:带旁路 输入:LVCMOS，LVPECL 输出:LVCMOS 电路数:1 比率 - 输入:输出:2:11 差分 - 输入:输出:是/无 频率 - 最大:240MHz 除法器/乘法器:是/无 电源电压:3.135 V ~ 3.465 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:32-LQFP 供应商设备封装:32-TQFP（7x7） 包装:带卷 (TR) |
| ICS341MPLFT | 功能描述:IC VERSACLOCK SYNTHESIZER 8-SOIC 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:VersaClock™ 标准包装:2,000 系列:- 类型:PLL 时钟发生器 PLL:带旁路 输入:LVCMOS，LVPECL 输出:LVCMOS 电路数:1 比率 - 输入:输出:2:11 差分 - 输入:输出:是/无 频率 - 最大:240MHz 除法器/乘法器:是/无 电源电压:3.135 V ~ 3.465 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:32-LQFP 供应商设备封装:32-TQFP（7x7） 包装:带卷 (TR) |
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