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MC145170DT2 查看數據表(PDF) - Freescale Semiconductor
零件编号
产品描述 (功能)
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MC145170DT2
PLL Frequency Synthesizer with Serial Interface
Freescale Semiconductor
MC145170DT2 Datasheet PDF : 32 Pages
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Electrical Characteristics
2.1 Switching Waveforms
t
f
t
r
90%
CLK
50%
10%
90%
D
out
50%
10%
t
w
t
w
1/fclk
t
PLH
t
PHL
t
TLH
t
THL
Figure 2.
V
DD
ENB
50%
V
SS
t
PZL
D
out
50%
t
PZH
D
out
50%
t
PLZ
10%
t
PHZ
90%
Figure 3.
V
DD
V
SS
High Impedance
V
DD
V
SS
High Impedance
Valid
D
in
50%
t
su
t
h
CLK
50%
Figure 4.
V
DD
ENB
50%
V
SS
t
su
V
DD
CLK
V
SS
50%
First CLK
t
w(H)
V
DD
V
SS
t
h
t
rec
V
DD
Last CLK
V
SS
Figure 5.
Device
Under
Test
Test Point
CL*
* Includes all probe and fixture capacitance.
Figure 6. Test Circuit
Device
Under
Test
Test Point
7.5 k
Ω
CL*
Connect to V
DD
when testing t
PLZ
AND t
PZL
. Connect
to V
SS
when testing
t
PHZ
and t
PZH
.
*Includes all probe and fixture capacitance.
Figure 7. Test Circuit
MC145170-2 Technical Data, Rev. 5
6
Freescale Semiconductor
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