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參數(shù)資料
| 型號(hào)： | VCC1-E3B-38M81 |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | XO, clock |
| 英文描述： | VCXO, CLOCK, 38.81 MHz, CMOS OUTPUT |
| 文件頁數(shù)： | 5/10頁 |
| 文件大?。?/td> | 168K |
| 代理商： | VCC1-E3B-38M81 |
VCC1 Data sheet
Vectron International 267 Lowell Rd, Hudson NH 03051
Tel: 1-88-VECTRON-1
e-mail: vectron@vectron.com
Table 3. Electrical Performance, 2.5V option
Parameter
Symbol
Min
Typical
Maximum
Units
Frequency
fO
0.012
190.000
MHz
Operating Supply Voltage
1
VDD
2.25
2.5
2.75
V
Absolute Maximum Voltage
-0.5
5.0
V
Supply Current, Output Enabled
< 20 MHz
20.01 to 50 MHz
50.01 to 110 MHz
110.1 to 190 MHz
IDD
7.0
15.0
20.0
30.0
mA
Supply Current, Out disabled
IDD
30
uA
Output Logic Levels
Output Logic High
2
Output Logic Low
2
Output Logic High Drive
Output Logic Low Drive
Output Logic High Drive
3
Output Logic Low Drive
3
VOH
VOL
IOH
IOL
IOH
IOL
0.9*VDD
4
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
10
6
3
2
ns
Duty Cycle
4 (ordering option)
SYM
45/55
%
Operating Temperature (ordering option)
-10/70 or –40/85
°C
Storage Temperature
-55
125
°C
Stability
5 (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
6
Output Enabled
Output Disabled
1.75
0.5
V
Internal Enable Pull-Up resistor
6
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 5 defines these parameters. Figure 6 illustrates the operating conditions under which these parameters are tested and
specified.
3. Overtone designs, output frequencies>35MHz.
4. Symmetry is measured defined as On Time/Period.
5. Includes calibration tolerance, operating temperature, supply voltage variations, aging and shock and vibration (not under
operation).
6. Output will be enabled if enable/disable is left open.
Figure 5. Output Waveform
Figure 6. Typical Output Test Conditions (25
±5°C)
+
-
+
-
IC
VC
3
2
. 1
F
.01
F
1 5pF
4
1
IDD
V DD
80 %
Vs
20
%
t
F
t
R
Period
On Time
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