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Номер в каталоге
Компоненты Описание
MC44145 Просмотр технического описания (PDF) - Motorola => Freescale
Номер в каталоге
Компоненты Описание
производитель
MC44145
Pixel Clock Generator/Sync Separator
Motorola => Freescale
MC44145 Datasheet PDF : 8 Pages
1
2
3
4
5
6
7
8
1.0
µ
F
Video In
1.0 k
Ω
MC44145
Figure 2.
Sync
Separator
Sync C
Sync B
C
R
H Sync Out
Amp
V Sync Out
C = 180 pF, R = 120 k
Ω
Figure 3. Typical VCO Transfer Characteristics
60
50
40
30
20
10
Pin 8 = Low
0
1.0
2.0
3.0
4.0
PIN 14 VOLTAGE (V)
Figure 4. Sync Separator Timing
Video Input
(Pin 12)
0.2
µ
s
3.4 V
Sync C Out
(Pin 5)
0V
1.0
µ
s
≈
5.0
µ
s
Composite Sync
Input (Pin 12)
D1 = 9.5
µ
s
Vertical Sync
Out (Pin 10)
D2 = 9.5
µ
s
4.4 V
0.05 V
Note:
D1 and D2 depend on the value of R and C connected to Pin 3. They are specified here for the values: R = 120 k
Ω
, and C = 180 pF.
6
MOTOROLA ANALOG IC DEVICE DATA
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