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参数资料
| 型号： | VDUHLDAT20MHZ |
| 厂商： | VECTRON INTERNATIONAL |
| 元件分类： | XO, clock |
| 英文描述： | VCXO, CLOCK, 20 MHz, CMOS/TTL OUTPUT |
| 文件页数： | 7/8页 |
| 文件大小： | 250K |
| 代理商： | VDUHLDAT20MHZ |
V-Type Voltage Controlled Crystal Oscillator (VCXO)
Vectron International 166 Glover Avenue, Norwalk, CT 06856 Tel: 1-88-VECTRON-1 Fax: 1-888-FAX-VECTRON
Ordering Information
1.024
1.544
2.000
2.048
3.088
3.580
3.686
4.000
4.032
4.096
4.434
5.000
6.144
6.176
6.312
6.400
8.000
8.192
8.448
10.000
12.000
12.288
12.352
13.000
14.318
15.360
15.440
16.000
16.384
18.432
19.44
20.000
20.480
24.000
24.576
24.704
27.000
30.000
32.000
32.768
34.368
35.328
38.880
40.000
40.960
44.736
50.000
51.840
52.000
65.536
77.760
Table 7: Standard Frequencies* (MHz)
Table 8: Part Numbering
*Other frequencies available upon request
1. Not all combinations are possible. Other specifications may be available upon request.
2. Frequency: in MHz with decimal point, in Hz if no decimal is present.
3. 10% linearity available at certain frequencies. Consult factory.
V
D
U
G
L
A
A: tri-state pin 5, 45/55 % symmetry
D: tri-state on pin 2, 45/55 % symmetry
Temperature Range
C: 0 to 70°C
L: -40 to 85°C
Absolute Pull Range
G: ±50ppm
N: ±80ppm
H: ±100ppm
Package Size
V: 6 Pin ceramic LCC
Supply Voltage
C: 5.0V (±10%)
D: 3.3V (±10%)
Oscillator Type
U: VCXO
L: Linear3 VCXO
at
MHz
Frequency
35.328
7
Table 6. ESD Threshold Voltage
Handling Precautions
Human Body Model
1500*
V
Charged Device Model
1500
V
Although protection circuitry has been designed into
this device, proper precautions should be taken to
avoid exposure to electrostatic discharge (ESD) during
handling and mounting. VI employs a human-body
model (HBM) and a charged-device model (CDM) for
ESD-susceptibility testing and protection design evalu-
ation. ESD voltage thresholds are dependent on the
circuit parameters used to define the mode. Although
no industry-wide standard has been adopted for the
CDM, a standard HBM (resistance = 1500
, capaci-
tance = 100 pF) is widely used and, therefore, can be
used for comparison purposes. The HBM ESD thresh-
old presented here was obtained by using these circuit
parameters.
Model
ESD Threshold, Minimum
Units
* MIL-STD-883D, Method 3015, Class 1
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