參數(shù)資料
型號(hào): MPC9351ACR2
廠商: IDT, Integrated Device Technology Inc
文件頁(yè)數(shù): 2/14頁(yè)
文件大小: 0K
描述: IC PLL CLOCK DRIVER LV 32-LQFP
標(biāo)準(zhǔn)包裝: 2,000
類型: PLL 時(shí)鐘發(fā)生器
PLL: 帶旁路
輸入: LVCMOS,LVPECL
輸出: LVCMOS
電路數(shù): 1
比率 - 輸入:輸出: 2:9
差分 - 輸入:輸出: 是/無(wú)
頻率 - 最大: 200MHz
除法器/乘法器: 是/無(wú)
電源電壓: 2.375 V ~ 3.465 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 32-LQFP
供應(yīng)商設(shè)備封裝: 32-TQFP(7x7)
包裝: 帶卷 (TR)
MPC9351 REVISION 6 JANUARY 31, 2013
10
2013 Integrated Device Technology, Inc.
MPC9351 Data Sheet
LOW VOLTAGE PLL CLOCK DRIVER
Figure 9. Single versus Dual Waveforms
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 10 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 10. Optimized Dual Line Termination
Figure 11. CLK MPC9351 AC Test Reference for VCC = 3.3 V and VCC = 2.5 V
Figure 12. PCLK MPC9351 AC Test Reference
Volta
ge
(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
14
MPC9351
Output
Buffer
RS = 22
ZO = 50
RS = 22
ZO = 50
14
+ 22 || 22 = 50 || 50
25
= 25
Pulse
Generator
Z = 50
RT = 50
ZO = 50
RT = 50
ZO = 50
MPC9351 DUT
VTT
Differential Pulse
Generator
Z = 50
RT = 50
ZO = 50
RT = 50
ZO = 50
MPC9351 DUT
VTT
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