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参数资料
| 型号： | ICS8431AM-01 |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 200 MHz, OTHER CLOCK GENERATOR, PDSO28 |
| 封装： | SOIC-28 |
| 文件页数： | 2/7页 |
| 文件大小： | 96K |
| 代理商： | ICS8431AM-01 |
Integrated
Circuit
Systems, Inc.
8431-01
www.icst.com
SEPTEMBER 13, 2000
2
ICS8431-01
CLOCK SYNTHESIZER
PRELIMINARY
CONFIGURATION PROGRAMMING INTERFACE
Programming the Spread Spectrum Clocking (SSC) feature is accomplished by configuring the internal PUL register. The input to
this register is encoded by the SSC_CTL[1:0] pins which define all functional states after power is applied. Figure 1 shows the timing
relationship of the latched SSC_CTL[1:0] in relationship to the PLL power-on condition.
After power is applied, the control bits SSC_CTL0 and SSC_CTL1 are latched after approximately 100s. TPUL_SU is the time
during which the data on the control bits is required to be valid before being latched. TPUL_HD is the time after the data is latched that
the control bits are required to remain valid. The configuration latch can only be overwritten by removing the power and applying data
to the inputs that meet the setup and hold time requirment during power-on, as defined in Figure 1. Table 3, Input Function Table
defined the valid commands for SSC_CTL[1:0] lines.
FIGURE 1. POWER-UP CONFIGURATION TIMING
t = 100s
TPUL_SU
TPUL_HD
Data Valid
VDD = 0V
VDD = 3.3V
VDD Power On
SSC_CTL[1:0]
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相关代理商/技术参数 |
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| ICS8431AM-21 | 制造商:ICS 制造商全称:ICS 功能描述:350MHZ, LOW JITTER, CRYSTAL OSCILLATOR-TO-3.3V LVPECL FREQUENCY SYNTHESIZER |
| ICS8431AM-21LF | 功能描述:IC SYNTHESIZER GP LVPECL 28-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:HiPerClockS™ 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 |
| ICS8431AM-21LFT | 功能描述:IC SYNTHESIZER 350MHZ 28-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:HiPerClockS™ 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 |
| ICS8431AM-21T | 制造商:ICS 制造商全称:ICS 功能描述:350MHZ, LOW JITTER, CRYSTAL OSCILLATOR-TO-3.3V LVPECL FREQUENCY SYNTHESIZER |
| ICS8431AMI-21 | 制造商:ICS 制造商全称:ICS 功能描述:350MHZ, LOW JITTER, CRYSTAL OSCILLATOR-TO-3.3V LVPECL FREQUENCY SYNTHESIZER |
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