IDT / ICS 2.5V LVPECL FREQUENCY SYNTHESIZER
8
ICS843001AK-40 REV. A OCTOBER 10, 2007
ICS843001-40
FEMTOCLOCKS CRYSTAL-TO-2.5V LVPECL FREQUENCY SYNTHESIZER
APPLICATION INFORMATION
As in any high speed analog circuitry, the power supply pins
are vulnerable to random noise. The ICS843001-40 provides
separate power supplies to isolate any high switching noise
from the outputs to the internal PLL. V
CC, VCCA, VCCO_LVPECL and
V
CCO_REF_OUT should be individually connected to the power sup-
ply 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
Ω re-
sistor along with a 10
μF and a 0.01μF bypass capacitor should
be connected to each V
CCA pin.
POWER SUPPLY FILTERING TECHNIQUES
FIGURE 1. POWER SUPPLY FILTERING
10
Ω
V
CCA
10
μF
.01
μF
2.5V
.01
μF
V
CC
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
Ω 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.
LVPECL OUTPUT
All unused LVPECL outputs can be left floating. We recommend
that there is no trace attached. Both sides of the differential output
pair should either be left floating or terminated.
相关PDF资料
ICS843002AGI-01LF IC SYNTHESIZER LVPECL 20-TSSOP
ICS843002AKI-41LF IC SYNTHESIZER LVPECL 32-VFQFPN
ICS843004AG-02LF IC SYNTHESIZER LVPECL 24-TSSOP
ICS843004AGI-04LF IC SYNTHESIZER LVPECL 24-TSSOP
ICS843021AGLFT IC CLK GENERATOR LVPECL 8-TSSOP
ICS843022AGLF IC CLK GENERATOR LVPECL 8-TSSOP
ICS843023AGLF IC CLK GENERATOR LVPECL 8-TSSOP
ICS843031AG-01LF IC CLK GENERATOR LVPECL 8-TSSOP
相关代理商/技术参数
ICS843001AKI-40LFT 功能描述:IC SYNTHESIZER LVPECL 16-VFQFPN 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
ICS843001BGI 制造商:ICS 制造商全称:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL CLOCK GENERATOR
ICS843001BGI-23LF 功能描述:IC SYNTHESIZER LVPECL 24-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:Precision Edge® 类型:时钟/频率合成器 PLL:无 输入:CML,PECL 输出:CML 电路数:1 比率 - 输入:输出:2:1 差分 - 输入:输出:是/是 频率 - 最大:10.7GHz 除法器/乘法器:无/无 电源电压:2.375 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-VFQFN 裸露焊盘,16-MLF? 供应商设备封装:16-MLF?(3x3) 包装:带卷 (TR) 其它名称:SY58052UMGTRSY58052UMGTR-ND
ICS843001BGI-23LFT 功能描述:IC SYNTHESIZER LVPECL 24-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:27 系列:Precision Edge® 类型:频率合成器 PLL:是 输入:PECL,晶体 输出:PECL 电路数:1 比率 - 输入:输出:1:1 差分 - 输入:输出:无/是 频率 - 最大:800MHz 除法器/乘法器:是/无 电源电压:3.135 V ~ 5.25 V 工作温度:0°C ~ 85°C 安装类型:表面贴装 封装/外壳:28-SOIC(0.295",7.50mm 宽) 供应商设备封装:28-SOIC 包装:管件
ICS843001BGILF 制造商:ICS 制造商全称:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL CLOCK GENERATOR
ICS843001BGILFT 制造商:ICS 制造商全称:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL CLOCK GENERATOR
ICS843001BGIT 制造商:ICS 制造商全称:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL CLOCK GENERATOR
ICS843001BI 制造商:ICS 制造商全称:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL CLOCK GENERATOR