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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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