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| 型号： | ICS8530DYI-01T |
| 元件分类： | 时钟及定时 |
| 英文描述： | 8530 SERIES, LOW SKEW CLOCK DRIVER, 16 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48 |
| 封装： | 7 X 7 MM, 1 MM HEIGHT, MS-026, TQFP-48 |
| 文件页数： | 6/17页 |
| 文件大小： | 262K |
| 代理商： | ICS8530DYI-01T |
8530DYI-01
www.icst.com/products/hiperclocks.html
REV. A FEBRUARY 25, 2005
14
Integrated
Circuit
Systems, Inc.
ICS8530I-01
LOW SKEW, 1-TO-16
DIFFERENTIAL-TO-3.3V LVPECL FANOUT BUFFER
PRELIMINARY
3. Calculations and Equations.
The purpose of this section is to derive the power dissipated into the load.
LVPECL output driver circuit and termination are shown in
Figure 5.
To calculate worst case power dissipation into the load, use the following equations which assume a 50
load, and a termination
voltage of V
CCO
- 2V.
For logic high, V
OUT
= V
OH_MAX
= V
CCO_MAX
– 0.9V
(V
CCO_MAX
- V
OH_MAX
) = 0.9V
For logic low, V
OUT
= V
OL_MAX
= V
CCO_MAX
– 1.7V
(V
CCO_MAX
- V
OL_MAX
) = 1.7V
Pd_H is power dissipation when the output drives high.
Pd_L is the power dissipation when the output drives low.
Pd_H = [(V
OH_MAX
– (V
CCO_MAX
- 2V))/R
L
] * (V
CCO_MAX
- V
OH_MAX
) = [(2V - (V
CCO_MAX
- V
OH_MAX
))/R
L
] * (V
CCO_MAX
- V
OH_MAX
) =
[(2V - 0.9V)/50
] * 0.9V = 19.8mW
Pd_L = [(V
OL_MAX
– (V
CCO_MAX
- 2V))/R
L
] * (V
CCO_MAX
- V
OL_MAX
) = [(2V - (V
CCO_MAX
- V
OL_MAX
))/R
L
] * (V
CCO_MAX
- V
OL_MAX
) =
[(2V - 1.7V)/50
] * 1.7V = 10.2mW
Total Power Dissipation per output pair = Pd_H + Pd_L = 30mW
FIGURE 5. LVPECL DRIVER CIRCUIT AND TERMINATION
Q1
V
OUT
V
CCO
RL
50
V
CCO - 2V
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| ICS8530DY | 8530 SERIES, LOW SKEW CLOCK DRIVER, 16 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ICS8530DYLF | 功能描述:IC CLK BUFF 1:16 500MHZ 48-LQFP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟缓冲器，驱动器 系列:HiPerClockS™ 标准包装:74 系列:- 类型:扇出缓冲器（分配） 电路数:1 比率 - 输入:输出:1:10 差分 - 输入:输出:是/是 输入:HCSL, LVCMOS, LVDS, LVPECL, LVTTL 输出:HCSL，LVDS 频率 - 最大:400MHz 电源电压:3 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:32-VFQFN 裸露焊盘 供应商设备封装:32-QFN（5x5） 包装:管件 |
| ICS8530DYLF/W | 制造商:Integrated Device Technology Inc 功能描述:IC CLK BUFFER 1:16 500MHZ 48TQFP |
| ICS8530DYLFT | 功能描述:IC CLK BUFF 1:16 500MHZ 48-LQFP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟缓冲器，驱动器 系列:HiPerClockS™ 标准包装:74 系列:- 类型:扇出缓冲器（分配） 电路数:1 比率 - 输入:输出:1:10 差分 - 输入:输出:是/是 输入:HCSL, LVCMOS, LVDS, LVPECL, LVTTL 输出:HCSL，LVDS 频率 - 最大:400MHz 电源电压:3 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:32-VFQFN 裸露焊盘 供应商设备封装:32-QFN（5x5） 包装:管件 |
| ICS8530FY-01LF | 制造商:Integrated Device Technology Inc 功能描述:IC CLK BUFFER 1:16 500MHZ 48TQFP |
| ICS8530FY-01LFT | 制造商:Integrated Device Technology Inc 功能描述:IC CLK BUFFER 1:16 500MHZ 48TQFP |
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