參數(shù)資料
型號(hào)： MPC9331FA
廠商： MOTOROLA INC
元件分類(lèi)： 時(shí)鐘及定時(shí)
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(yè)數(shù)： 10/10頁(yè)
文件大小： 149K
代理商： MPC9331FA
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(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MPC9331FAR2 功能描述:IC CLOCK GEN 1:6 PLL LV 32-LQFP RoHS:否 類(lèi)別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器，PLL，頻率合成器 系列:- 標(biāo)準(zhǔn)包裝:39 系列:- 類(lèi)型:* PLL:帶旁路 輸入:時(shí)鐘 輸出:時(shí)鐘 電路數(shù):1 比率 - 輸入:輸出:1:10 差分 - 輸入:輸出:是/是 頻率 - 最大:170MHz 除法器/乘法器:無(wú)/無(wú) 電源電壓:2.375 V ~ 3.465 V 工作溫度:0°C ~ 70°C 安裝類(lèi)型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:*
MPC9350 制造商:MOTOROLA 制造商全稱(chēng):Motorola, Inc 功能描述:LOW VOLTAGE PLL CLOCK DRIVER
MPC9350AC 功能描述:時(shí)鐘驅(qū)動(dòng)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(lèi)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(shí)鐘發(fā)生器及支持產(chǎn)品 FSL 1-9 LVCMOS PLL Clock Generator RoHS:否 制造商:Silicon Labs 類(lèi)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
MPC9350D 制造商:MOTOROLA 制造商全稱(chēng):Motorola, Inc 功能描述:LOW VOLTAGE PLL CLOCK DRIVER
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