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參數(shù)資料
| 型號： | 853013AMLFT |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 時鐘及定時 |
| 英文描述： | 853013 SERIES, LOW SKEW CLOCK DRIVER, 3 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO20 |
| 封裝： | 7.50 X 12.80 MM, 2.30 MM HEIGHT, ROHS COMPLIANT, MS-013, MO-119, SOIC-20 |
| 文件頁數(shù)： | 6/18頁 |
| 文件大?。?/td> | 2109K |
| 代理商： | 853013AMLFT |
ICS853013
LOW SKEW, DUAL,1-TO-3, DIFFERENTIAL-TO-2.5V, 3.3V, 5V LVPECL/ECL FANOUT BUFFER
IDT / ICS 2.5V, 3.3V, 5V LVPECL/ECL FANOUT BUFFER
14
ICS853013AM REV. B OCTOBER 24, 2008
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 6.
Figure 6. 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 – 0.935V
(VCC_MAX – VOH_MAX) = 0.935V
For logic low, VOUT = VOL_MAX = VCC_MAX – 1.67V
(VCC_MAX – VOL_MAX) = 1.67V
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 – 0.935V)/50
] * 0.935V = 19.92mW
Pd_L = [(VOL_MAX – (VCC_MAX – 2V))/RL] * (VCC_MAX – VOL_MAX) = [(2V – (VCC_MAX – VOL_MAX))/RL] * (VCC_MAX – VOL_MAX) =
[(2V – 1.67V)/50
] * 1.67V = 11.02mW
Total Power Dissipation per output pair = Pd_H + Pd_L = 30.94mW
V
OUT
V
CC
V
CC - 2V
Q1
RL
50
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相關代理商/技術參數(shù) |
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|---|---|
| 853014BG | 制造商:Integrated Device Technology Inc 功能描述:Clock Driver 2-IN ECL/LVPECL 20-Pin TSSOP Tube 制造商:IDT from Components Direct 功能描述:IDT 853014BG CLOCK MANAGEMENT - Rail/Tube 制造商:IDT 功能描述:IDT 853014BG Clock Management |
| 853015 | 制造商:ERNI Electronics 功能描述:Conn Hard Metric M 110 POS 2mm Press Fit ST Thru-Hole |
| 8530-15184 | 制造商:TENMA 功能描述:PIN TIP PLUG, 2MM, SOLDERLESS, BLACK; Connector Type:Tip Plug; Insulator Color:Black |
| 8530-15185 | 制造商:PRIVATE LABEL 功能描述:SOLDERLESS PIN, TIP PLUG, 2MM, RED |
| 853016 | 制造商:ERNI Electronics 功能描述:Conn Hard Metric M 110 POS 2mm Press Fit ST Thru-Hole |
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