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參數資料
| 型號： | MC44145D |
| 廠商： | MOTOROLA INC |
| 元件分類： | XO, clock |
| 英文描述： | PIXEL CLOCK GENERATOR/ SYNC SEPARATOR |
| 中文描述： | 42 MHz, VIDEO CLOCK GENERATOR, PDSO14 |
| 封裝： | PLASTIC, SOP-14 |
| 文件頁數： | 6/8頁 |
| 文件大小： | 98K |
| 代理商： | MC44145D |
MC44145
6
MOTOROLA ANALOG IC DEVICE DATA
Figure 2.
Sync
Separator
1.0
μ
F
1.0 k
Video In
C
R
Amp
Sync B
Sync C
H Sync Out
V Sync Out
C = 180 pF, R = 120 k
Figure 3. Typical VCO Transfer Characteristics
Figure 4. Sync Separator Timing
Video Input
(Pin 12)
Sync C Out
(Pin 5)
1.0
μ
s
0.2
μ
s
≈
5.0
μ
s
3.4 V
0 V
Composite Sync
Input (Pin 12)
Vertical Sync
Out (Pin 10)
D1 = 9.5
μ
s
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
, and C = 180 pF.
1.0
60
F
PIN 14 VOLTAGE (V)
2.0
3.0
4.0
50
40
30
20
10
0
Pin 8 = Low
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