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参数资料
| 型号： | ICS8430S07AKILFT |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 133.333 MHz, OTHER CLOCK GENERATOR, QCC32 |
| 封装： | 5 X 5 MM, 0.925 MM HEIGHT, ROHS COMPLIANT, MO-220VHHD-2/-4, VFQFN-32 |
| 文件页数： | 10/23页 |
| 文件大小： | 1792K |
| 代理商： | ICS8430S07AKILFT |
ICS8430S07I
CLOCK GENERATOR FOR CAVIUM PROCESSORS
PRELIMINARY
IDT / ICS CLOCK GENERATOR
18
ICS8430S07AKI REV. A DECEMBER 4, 2007
Power Considerations
This section provides information on power dissipation and junction temperature for the ICS8430S07I.
Equations and example calculations are also provided.
1.
Power Dissipation.
The total power dissipation for the ICS8430S07I is the sum of the core power plus the analog power plus the power dissipated in the
load(s). The following is the power dissipation for VDD = 3.3V + 5% = 3.465V, which gives worst case results.
Core and LVPECL Output Power Dissipation
Power (core)_MAX = VDD_MAX * (IEE_MAX + IDDA + IDDO) = 3.465V * (140mA + 16mA + 20mA) = 609.84mW
Power (output)_MAX = 30mW/Loaded Output Pair
LVCMOS Output Power Dissipation
Output Impedance ROUT Power Dissipation due to Loading 50 to VDDO/2
Output Current IOUT = VDDO_MAX / [2 * (50 + ROUT)] = 3.465V / [2 * (50 + 15)] = 26.7mA
Power Dissipation on the ROUT per LVCMOS output
Power (ROUT) = ROUT * (IOUT)
2 = 15
* (26.7mA)2 = 10.7mW per output
Total Power Dissipation on the ROUT
Total Power (ROUT) = 10.7mW * 6 = 64.2mW
Dynamic Power Dissipation at 25MHz
Power (25MHz) = CPD * Frequency * (VDDO)
2 = 10pF * 25MHz * (3.465V)2 = 3mW per output
Total Power (25MHz) = 3mW * 3 = 9mW
Dynamic Power Dissipation at 133MHz
Power (133MHz) = CPD * Frequency * (VDDO)
2 = 10pF * 133MHz * (3.465V)2 = 16mW per output
Total Power (133MHz) = 16mW * 3 = 48mW
Total Power Dissipation
Total Power
= Power (core) + Power (LVPECL output) + Total Power (ROUT) + Total Power (25MHz) + Total Power (125MHz)
= 610mW + 30mW + 64.2mW + 9mW + 48mW
= 761mW
相关PDF资料 |
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| ICS843101AGI-312LFT | 312.5 MHz, OTHER CLOCK GENERATOR, PDSO16 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ICS8430S07I | 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:Clock Generator for Cavium Processors |
| ICS8430S10AYILF | 功能描述:IC CLK GENERATOR PLL 48TQFP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 专用 系列:- 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 |
| ICS8430S10AYILFT | 功能描述:IC CLK GENERATOR PLL 48TQFP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 专用 系列:- 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 |
| ICS8430S10BYI-02LF | 功能描述:IC CLK GENERATOR PLL 48TQFP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 专用 系列:- 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 |
| ICS8430S10BYI-02LFT | 功能描述:IC CLK GENERATOR PLL 48TQFP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 专用 系列:- 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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