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參數(shù)資料
| 型號： | MPC9331FAR2 |
| 廠商： | MOTOROLA INC |
| 元件分類： | 時鐘及定時 |
| 英文描述： | PLL BASED CLOCK DRIVER, 6 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32 |
| 封裝： | 7 X 7 MM, PLASTIC, LQFP-32 |
| 文件頁數(shù)： | 10/10頁 |
| 文件大?。?/td> | 149K |
| 代理商： | MPC9331FAR2 |
MPC9331
MOTOROLA ADVANCED CLOCK DRIVERS DEVICE DATA
96
= 1.31V
At the load end the voltage will double, due to the near unity
reflection coefficient, to 2.6V. It will then increment towards the
quiescent 3.0V in steps separated by one round trip delay (in
this case 4.0ns).
1. Final skew data pending specification.
Figure 5. Single versus Dual Waveforms
TIME (nS)
VOL
TAGE
(V)
3.0
2.5
2.0
1.5
1.0
0.5
0
2
4
6
8
10
12
14
OutB
tD = 3.9386
OutA
tD = 3.8956
In
Since this step is well above the threshold region it will not
cause any false clock triggering, however designers may be
uncomfortable with unwanted reflections on the line. To better
match the impedances when driving multiple lines the situation
in Figure 6 “Optimized Dual Line Termination” should be used.
In this case the series terminating resistors are reduced such
that when the parallel combination is added to the output buffer
impedance the line impedance is perfectly matched.
Figure 6. Optimized Dual Line Termination
14
MPC9331
OUTPUT
BUFFER
RS = 22
ZO = 50
RS = 22
ZO = 50
14
+ 22 k 22 = 50 k 50
25
= 25
Figure 7. CCLK MPC9331 AC test reference for Vcc = 3.3V
Pulse
Generator
Z = 50W
RT = 50
ZO = 50
RT = 50
ZO = 50
MPC9331 DUT
VTT
2
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MPC9350 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:LOW VOLTAGE PLL CLOCK DRIVER |
| MPC9350AC | 功能描述:時鐘驅動器及分配 2.5 3.3V 200MHz Clock Generator 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 |
| MPC9350ACR2 | 功能描述:時鐘發(fā)生器及支持產品 FSL 1-9 LVCMOS PLL Clock Generator RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-56 |
| MPC9350D | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:LOW VOLTAGE PLL CLOCK DRIVER |
| MPC9350FA | 功能描述:時鐘驅動器及分配 2.5 3.3V 200MHz Clock Generator 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 |
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