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參數(shù)資料
| 型號： | VX-700-ECT-KXCN-162M000000 |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | VCXO, clock |
| 英文描述： | VCXO, CLOCK, 162 MHz, LVPECL OUTPUT |
| 封裝： | ROHS COMPLIANT, HERMETIC SEALED, LCC PACKAGE-6 |
| 文件頁數(shù)： | 4/6頁 |
| 文件大?。?/td> | 467K |
| 代理商： | VX-700-ECT-KXCN-162M000000 |
Typical Characteristics - Phase Noise
Reliability
VI qualification includes aging at various extreme temperatures, shock and vibration, temperature cycling, and IR reflow
simulation. The VX-700 family is capable of meeting the following qualification tests:
Table 3. Environmental Compliance
Parameter
Conditions
Mechanical Shock
MIL-STD-883, Method 2002
Mechanical Vibration
MIL-STD-883, Method 2007
Solderability
MIL-STD-883, Method 2003
Gross and Fine Leak
MIL-STD-883, Method 1014
Resistance to Solvents
MIL-STD-883, Method 2015
Moisture Sensitivity Level
MSL 1
Contact Pads
Gold over Nickel
Table 4. Absolute Maximum Ratings
Parameter
Symbol
Ratings
Unit
Power Supply
V
DD
0 to 6
V
Output Current
I
OUT
25
mA
Voltage Control Range
V
C
0 to V
CC
V
Storage Temperature
TS
-55 to 125
°C
Soldering Temp/Time
T
LS
260 / 40
°C / sec
Stresses in excess of the absolute maximum ratings can permanently damage the device. Functional operation is not
implied at these or any other conditions in excess of conditions represented in the operational sections of this datasheet.
Exposure to absolute maximum ratings for extended periods may adversely affect device reliability. Permanent damage is
also possible if OD or Vc is applied before Vcc.
Although ESD protection circuitry has been designed into the VX-700 proper precautions should be taken when handling
and mounting. VI employs a human body model (HBM) and a charged device model (CDM) for ESD susceptibility testing
and design protection evaluation.
Table 5. ESD Ratings
Model
Minimum
Conditions
Human Body Model
500V
MIL-STD-883, Method 3015
Charged Device Model
500V
JESD22-C101
Suggested Output Load Configurations
Page4
Rev: 11/24/2009
Vectron International 267 Lowell Road, Hudson, NH 03051 Tel: 1-88-VECTRON-1 http://www.vectron.com
Figure 3 Standard PECL Output Configuration
Figure 4 Single Resistor Termination Scheme
Resistor values are typically 120 to 240 ohms
Figure 5 Pull-Up Pull-Down Termination
The VX-700 incorporates a standard PECL output scheme, which are un-terminated emitters as shown in Figure 3. There are numerous application notes
on terminating and interfacing PECL logic and the two most common methods are a single resistor to ground, Figure 4, and a pull-up/pull-down scheme
as shown in Figure 5. An AC coupling capacitor is optional, depending on the application and the input logic requirements of the next stage.
One of the most important considerations is terminating the Output and Complementary Outputs equally. An unused output should not be left un-termi-
nated, and if it one of the two outputs is left open it will result in excessive jitter on both. PC board layout must take this and 50 ohm impedance matching
into account. Load matching and power supply noise are the main contributors to jitter related problems.
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