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參數(shù)資料
| 型號(hào)： | VCC1-E3A-20M736 |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | VCXO, clock |
| 英文描述： | VCXO, CLOCK, 20.736 MHz, CMOS OUTPUT |
| 文件頁數(shù)： | 4/10頁 |
| 文件大?。?/td> | 168K |
| 代理商： | VCC1-E3A-20M736 |
VCC1 Data sheet
Vectron International 267 Lowell Rd, Hudson NH 03051
Tel: 1-88-VECTRON-1
e-mail: vectron@vectron.com
Table 2. Electrical Performance, 3.3V option
Parameter
Symbol
Min
Typical
Maximum
Units
Frequency
fO
0.012
190.000
MHz
Operating Supply Voltage
1
VDD
2.97
3.3
3.63
V
Absolute Maximum Operating Voltage
-0.5
5.0
V
Supply Current, Output Enabled
< 1.500 MHz
1.5 to 20 MHz
20.01 to 50 MHz
50.01 to 85 MHz
85.01 to 190 MHz
IDD
5
7
20
30
50
mA
Supply Current, Output disabled
IDD
30
uA
Output Logic Levels
Output Logic High
2
Output Logic Low
2
Output Logic High Drive
Output Logic Low Drive
VOH
VOL
IOH
IOL
0.9*VDD
8
0.1*VDD
V
mA
Output Rise/Fall Time
2
< 1.00 MHz
1.00 to 20.00 MHz
20.01 to 50.00 MHz
50.01 to 90.00 MHz
90.01 to 190.00 MHz
tR/tF
200
6
4
3
2
ns
Duty Cycle
3 (ordering option)
SYM
45/55
%
Operating Temperature (ordering option)
-10/70 or –40/85
°C
Storage Temperature
-55
125
°C
Stability
4 (ordering option)
±20, ±25, ±32, ±50, ±100
ppm
RMS Jitter, 12kHz to 20 MHz
0.5
1
ps
RMS Jitter
2.5
ps
Output Enable/Disable
5
Output Enabled
Output Disabled
2.0
0.5
V
Internal Enable Pull-Up resistor
5
100
Kohm
Start-up time
10
ms
1. A 0.01uF and a 0.1uF capacitor should be located as close to the supply as possible (to ground) is recommended.
2. Figure 3 defines these parameters. Figure 4 illustrates the operating conditions under which these parameters are tested and
specified. For Fo>90MHz, rise and fall time is measured 20 to 80%.
3. Symmetry is measured defined as On Time/Period.
4. Includes calibration tolerance, operating temperature, supply voltage variations, aging and shock and vibration (not under
operation).
5. Output will be enabled if enable/disable is left open.
Figure 3. Output Waveform
Figure 4. Typical Output Test Conditions (25
±5°C)
+
-
+
-
IC
V C
3
2
.1
F
.01
F
15pF
4
1
I DD
VDD
VOH
50%
VOL
t F
tR
Period
On Time
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