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參數(shù)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(shù)： | 3/8頁 |
| 文件大小： | 98K |
| 代理商： | MC44145D |
MC44145
3
MOTOROLA ANALOG IC DEVICE DATA
ELECTRICAL CHARACTERISTICS
(continued)
Characteristic
Note
Pin
Min
Typ
Max
Unit
SYNC SEPARATOR
(VCC = 5.0 V; TA = 25
°
C, unless otherwise specified.)
VCO
(VCC = 5.0 V; TA = 25
°
C, unless otherwise specified, divider disabled.)
Fmin
Fmax
Control Range
1, 5
7, 8, 14
–
–
10
MHz
1, 4
7, 8, 14
39
42
–
MHz
2
14
1.0
–
4.0
V
Transfer Function
1
7, 8, 14
–
14
–
MHz/V
Input Resistance
9
14
0.5
–
–
M
Charge Pump
6
7
1, 14
–
–
40
80
–
–
μ
A
Phase Jitter
8
7, 9
–
–
3.0
ns
INPUT BUFFERS (Fref AND NBACK)
(TA = 25
°
C, unless otherwise specified.)
Threshold (TTL Compatible)
–
9, 13
–
2.5
–
V
Input Current
–
9, 13
–
–
1.0
μ
A
OUTPUT BUFFER CLOCK
(TA = 25
°
C, unless otherwise specified.)
Sync Amplifier Output High Level
1.0 mA
Source
10
2.4
3.0
–
V
Sync Amplifier Output Low Level
1.0 mA Sink
10
–
0.2
0.4
V
Rise Time
11
10
–
–
6.0
ns
Fall Time
11
10
–
–
6.0
ns
Load Capacitance
10
10
–
15
–
pF
NOTES
: 1.Internal divider disabled.
2.0 V stops the oscillator.
3.Divider
÷
2 active.
4.VC = 4.0 V.
5.VC = 1.0 V.
6.PFD gain low.
7.PFD gain high.
8.VCO alone.
9.VC = 4.0 V, charge pumps off.
10. 2 LSTTL loads.
11. With cap load 15 pF and between 10 and 90% of 0.4 and 2.4 V.
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