参数资料
型号: MPC9352AC
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 时钟及定时
英文描述: 9352 SERIES, PLL BASED CLOCK DRIVER, 11 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
封装: LEAD FREE, LQFP-32
文件页数: 4/17页
文件大小: 367K
代理商: MPC9352AC
MPC9352
3.3V/2.5V 1:11 LVCMOSZERO DELAY CLOCK GENERATOR
CLOCK GENERATOR
IDT / ICS 3.3V/2.5V 1:11 LVCMOS ZERO DELAY CLOCK GENERATOR 12
MPC9352
REV 7 MAY 30, 2006
Freescle Timing Solutions Organization has been acquired by Integrated Device Technology, Inc.
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
Ω
MPC9352
Output
Buffer
RS = 22 Ω
ZO = 50 Ω
RS = 22 Ω
ZO = 50 Ω
14
Ω + 22 Ω || 22 Ω = 50 Ω || 50 Ω
25
Ω = 25 Ω
Pulse
Generator
Z = 50
Ω
RT = 50Ω
ZO = 50Ω
RT = 50Ω
ZO = 50Ω
MPC9352 DUT
VTT
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相关代理商/技术参数
参数描述
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