參數(shù)資料
型號(hào)： MPC97R73FA
廠商： MOTOROLA INC
元件分類： 時(shí)鐘及定時(shí)
英文描述： PLL BASED CLOCK DRIVER, 12 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP52
封裝： LQFP-52
文件頁(yè)數(shù)： 6/20頁(yè)
文件大?。?/td> 252K
代理商： MPC97R73FA
MPC97R73
MOTOROLA
TIMING SOLUTIONS
14
Figure 11. 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 12. “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 12. Optimized Dual Line Termination
14
MPC97R73
OUTPUT
BUFFER
RS = 22
ZO = 50
RS = 22
ZO = 50
14
+ 22 k 22 = 50 k 50
25
= 25
Figure 13. CCLK MPC97R73 AC test reference for Vcc = 3.3V and Vcc = 2.5V
Pulse
Generator
Z = 50
W
RT = 50
ZO = 50
RT = 50
ZO = 50
MPC97R73
DUT
VTT
Figure 14. PCLK MPC97R73 AC test reference
Differential
Pulse Generator
Z = 50
W
RT = 50
ZO = 50
RT = 50
ZO = 50
MPC97R73
DUT
VTT
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參數(shù)描述
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MPC9817EN 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 FSL 1-5 PwrQUICC/Pwr PC Clk Gen, 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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56
MPC9817ENR2 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 FSL 1-5 PwrQUICC/Pwr PC Clk Gen, 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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56
MPC9817SD 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 FSL 1-5 PwrQUICC/Pwr PC Clk Gen, 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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56
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