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參數(shù)資料
| 型號： | VCC4 |
| 廠商： | Vectron International, Inc. |
| 英文描述： | 1.8, 2.5, 3.3, 5.0 volt CMOS Oscillator |
| 中文描述： | 1.8，2.5，3.3，5.0伏的CMOS振蕩器 |
| 文件頁數(shù)： | 8/9頁 |
| 文件大小： | 158K |
| 代理商： | VCC4 |
VCC4 Data Sheet
Vectron International 267 Lowell Rd, Hudson NH 03051 Tel: 1-88-VECTRON-1 e-mail vectron@vectron.com
8
Handling Precautions
Although ESD protection circuitry has been designed into the the VCC4, proper precautions should be taken
when handling and mounting. VI employs a Human Body Model and a Charged-Device Model (CDM) for
ESD susceptibility testing and design protection evaluation. ESD thresholds are dependent on the circuit
parameters used to define the model. Although no industry wide standard has been adopted for the CDM, a
standard HBM of resistance = 1.5kohms and capacitance = 100pF is widely used and therefore can be
used for comparison purposes.
Table 9. ESD Ratings
Model
Minimum
Human Body Model
Charged Device Model
Suggested IR profile
Devices are built using lead free epoxy and can also be subjected to standard lead free IR reflow conditions,
Table 9 shows max temperatures and lower temperatures can also be used e.g. peak temperature of 220C.
Table 10. Reflow Profile (IPC/JEDEC J-STD-020B)
Parameter
Symbol
PreHeat Time
t
S
Ramp Up
R
UP
Time Above 217
o
C
t
L
Time To Peak Temperature
t
AMB-P
Time At 260
o
C (max)
t
P
Time At 240 °C (max)
t
p2
Ramp Down
R
DN
Conditions
1000
1500
MIL-STD-883 Method 3115
JESD 22-C101
Value
150 sec Min, 200 sec Max
3
o
C/sec Max
60 sec Min, 150 sec Max
480 sec Max
10 sec Max
60 sec Max
6
o
C/sec Max
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| VCC4_10 | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:1.8, 2.5, 3.3, 5.0 volt CMOS Oscillator |
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