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參數(shù)資料
| 型號： | 853S011BGILFT |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 時鐘及定時 |
| 英文描述： | LOW SKEW CLOCK DRIVER, PDSO8 |
| 封裝： | 3 X 3 MM, 0.97 MM HEIGHT, ROHS COMPLIANT, MO-187, TSSOP-8 |
| 文件頁數(shù)： | 7/20頁 |
| 文件大小： | 825K |
| 代理商： | 853S011BGILFT |
ICS853S011BGI REVISION A MAY 12, 2010
15
2010 Integrated Device Technology, Inc.
ICS853S011BI Data Sheet
LOW SKEW, 1-TO-2, DIFFERENTIAL-TO-2.5V, 3.3V LVPECL/ECL FANOUT BUFFER
3. Calculations and Equations.
The purpose of this section is to derive the power dissipation for the LVPECL output pairs.
LVPECL output driver circuit and termination are shown in Figure 5.
Figure 5. LVPECL Driver Circuit and Termination
To calculate worst case power dissipation into the load, use the following equations which assume a 50 load, and a termination voltage of
VCC – 2V.
For logic high, VOUT = VOH_MAX = VCC_MAX – 0.905V
(VCC_MAX – VOH_MAX) = 0.905V
For logic low, VOUT = VOL_MAX = VCC_MAX – 1.705V
(VCC_MAX – VOL_MAX) = 1.705V
Pd_H is power dissipation when the output drives high.
Pd_L is the power dissipation when the output drives low.
Pd_H = [(VOH_MAX – (VCC_MAX – 2V))/RL] * (VCC_MAX – VOH_MAX) = [(2V – (VCC_MAX – VOH_MAX))/RL] * (VCC_MAX – VOH_MAX) =
[(2V – 0.905V)/50
] * 0.905V = 19.8mW
Pd_L = [(VOL_MAX – (VCC_MAX – 2V))/RL] * (VCC_MAX – VOL_MAX) = [(2V – (VCC_MAX – VOL_MAX))/RL] * (VCC_MAX – VOL_MAX) =
[(2V – 1.705V)/50
] * 1.705V = 10.06mW
Total Power Dissipation per output pair = Pd_H + Pd_L = 29.86mW
V
OUT
V
CC
V
CC - 2V
Q1
RL
50
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 853S011BMILF | 功能描述:時鐘緩沖器 1:2 LVPECL/ECL Fanout Buffer RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:5 最大輸入頻率:40 MHz 傳播延遲（最大值）: 電源電壓-最大:3.45 V 電源電壓-最小:2.375 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LLP-24 封裝:Reel |
| 853S011BMILFT | 功能描述:時鐘驅(qū)動器及分配 1:2 LVPECL/ECL Fanout Buffer RoHS:否 制造商:Micrel 乘法/除法因子:1:4 輸出類型:Differential 最大輸出頻率:4.2 GHz 電源電壓-最大: 電源電壓-最小:5 V 最大工作溫度:+ 85 C 封裝 / 箱體:SOIC-8 封裝:Reel |
| 853S011CGILF | 功能描述:時鐘緩沖器 1:2 LVPECL/ECL Fanout Buffer RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:5 最大輸入頻率:40 MHz 傳播延遲（最大值）: 電源電壓-最大:3.45 V 電源電壓-最小:2.375 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LLP-24 封裝:Reel |
| 853S011CGILFT | 功能描述:時鐘驅(qū)動器及分配 1:2 LVPECL/ECL Fanout Buffer RoHS:否 制造商:Micrel 乘法/除法因子:1:4 輸出類型:Differential 最大輸出頻率:4.2 GHz 電源電壓-最大: 電源電壓-最小:5 V 最大工作溫度:+ 85 C 封裝 / 箱體:SOIC-8 封裝:Reel |
| 853S011CMILF | 制造商:IDT from Components Direct 功能描述:IDT 853S011CMILF CLOCK BUFFERS - Rail/Tube 制造商:IDT 功能描述:IDT 853S011CMILF Clock Buffers |
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