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参数资料
| 型号： | ICS840245AGILF |
| 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, PDSO16 |
| 封装： | 4.40 X 5 MM, 0.92 MM HEIGHT, ROHS COMPLIANT, MO-153, TSSOP-16 |
| 文件页数： | 12/13页 |
| 文件大小： | 1406K |
| 代理商： | ICS840245AGILF |
IDT / ICS LVCMOS/LVTTL FREQUENCY SYNTHESIZER
8
ICS84024AGI REV. A OCTOBER 25, 2006
ICS840245I
FEMTOCLOCKS 1:5, CRYSTAL-TO-LVCMOS/LVTTL FREQUENCY SYNTHESIZER
APPLICATION INFORMATION
As in any high speed analog circuitry, the power supply pins
are vulnerable to random noise. The ICS840245I provides sepa-
rate power supplies to isolate any high switching
noise from the outputs to the internal PLL. V
DD, VDDA, and VDDO
should be individually connected to the power supply
plane through vias, and bypass capacitors should be
used for each pin. To achieve optimum jitter performance, power
supply isolation is required.
Figure 1 illustrates how
a 10
resistor along with a 10F and a .01F bypass
capacitor should be connected to each V
DDA.
POWER SUPPLY FILTERING TECHNIQUES
FIGURE 1. POWER SUPPLY FILTERING
10
V
DDA
10
F
.01
F
3.3V or 2.5V
.01
F
V
DD
INPUTS:
LVCMOS CONTROL PINS:
All control pins have internal pull-ups or pull-downs; additional
resistance is not required but can be added for additional
protection. A 1k
resistor can be used.
RECOMMENDATIONS FOR UNUSED INPUT AND OUTPUT PINS
OUTPUTS:
LVCMOS OUTPUT:
All unused LVCMOS output can be left floating. There should be
no trace attached.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ICS840245AGILFT | 功能描述:IC FREQ SYNTHESIZER 16-TSSOP 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:HiPerClockS™, FemtoClock™ 标准包装:1,000 系列:- 类型:时钟/频率合成器，扇出分配 PLL:- 输入:- 输出:- 电路数:- 比率 - 输入:输出:- 差分 - 输入:输出:- 频率 - 最大:- 除法器/乘法器:- 电源电压:- 工作温度:- 安装类型:表面贴装 封装/外壳:56-VFQFN 裸露焊盘 供应商设备封装:56-VFQFP-EP（8x8） 包装:带卷 (TR) 其它名称:844S012AKI-01LFT |
| ICS84025 | 制造商:ICS 制造商全称:ICS 功能描述:CRYSTAL-TO-LVCMOS / LVTTL FREQUENCY SYNTHESIZER WITH FANOUT BUFFER |
| ICS84025EM | 制造商:ICS 制造商全称:ICS 功能描述:CRYSTAL-TO-LVCMOS / LVTTL FREQUENCY SYNTHESIZER WITH FANOUT BUFFER |
| ICS84025EMT | 制造商:ICS 制造商全称:ICS 功能描述:CRYSTAL-TO-LVCMOS / LVTTL FREQUENCY SYNTHESIZER WITH FANOUT BUFFER |
| ICS840271BGILF | 功能描述:IC TRANSLATOR ETHER SYNC 8TSSOP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 专用 系列:HiPerClockS™ 标准包装:1,500 系列:- 类型:时钟缓冲器/驱动器 PLL:是 主要目的:- 输入:- 输出:- 电路数:- 比率 - 输入:输出:- 差分 - 输入:输出:- 频率 - 最大:- 电源电压:3.3V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-SSOP（0.209"，5.30mm 宽） 供应商设备封装:28-SSOP 包装:带卷 (TR) 其它名称:93786AFT |
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