參數(shù)資料
型號: MPC9352AC
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 4/16頁
文件大小: 0K
描述: IC CLK GEN ZD 1:11 32-LQFP
標(biāo)準(zhǔn)包裝: 250
類型: PLL 時鐘發(fā)生器
PLL: 帶旁路
輸入: LVCMOS
輸出: LVCMOS
電路數(shù): 1
比率 - 輸入:輸出: 1:11
差分 - 輸入:輸出: 無/無
頻率 - 最大: 200MHz
除法器/乘法器: 是/是
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: 托盤
MPC9352 REVISION 8 JANUARY 31, 2013
12
2013 Integrated Device Technology, Inc.
MPC9353 Data Sheet
3.3V/2.5V 1:11 LVCMOS ZERO DELAY CLOCK GENERATOR
Figure 11. 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 12 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
Figure 13. CCLK MPC9352 AC Test Reference for VCC = 3.3 V and VCC = 2.5 V
Time (ns)
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
MPC9352
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
MPC9352 DUT
VTT
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