參數(shù)資料
型號: MC44145DR2
廠商: MOTOROLA INC
元件分類: 時鐘產生/分配
英文描述: 42 MHz, VIDEO CLOCK GENERATOR, PDSO14
封裝: PLASTIC, SOP-14
文件頁數(shù): 43/46頁
文件大?。?/td> 919K
代理商: MC44145DR2
MC44145
9–336
MOTOROLA ANALOG IC DEVICE DATA
Figure 2.
Sync
Separator
1.0
F
1.0 k
Video In
CR
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
s
0.2
s
≈ 5.0 s
3.4 V
0 V
Composite Sync
Input (Pin 12)
Vertical Sync
Out (Pin 10)
D1 = 9.5 sD2 = 9.5 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
FREQUENCY
A
T
PIN
7
(MHz)
PIN 14 VOLTAGE (V)
2.0
3.0
4.0
50
40
30
20
10
0
Pin 8 = Low
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