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參數(shù)資料
| 型號： | PE3744TV-FREQ-T250 |
| 廠商： | PLETRONICS INC |
| 元件分類： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 180 MHz - 750 MHz, PECL OUTPUT |
| 封裝： | ROHS COMPLIANT PACKAGE-6 |
| 文件頁數(shù)： | 6/8頁 |
| 文件大?。?/td> | 124K |
| 代理商： | PE3744TV-FREQ-T250 |
PE37T Series 3.3 V
PECL Clock Oscillators
January 2008
www.pletronics.com
425-776-1880
6
Mechanical:
Inches
mm
Cover:
Centered on the base
304 Stainless Steel
0.010 inch (0.25mm)
Electroless Nickel Plated
1 inch (25 m) typical FR4 PCB
Label:
White Kapton with Black Letters
–or--
Blue Epoxy heat cure ink covering
top with laser marked lettering
Base:
Solder masked
All via holes tented on bottom
Copper Clad 670 inch (17 m)
Nickel plated 118 inch (3 m)
Gold plated 0.8 inch (0.02 m)
Typical thicknesses
Pin 3 Ground plane is typical
Not to scale
A
0.390 +
_0.010
9.90 +
_0.25
B
0.550 +
_0.010
13.97 +
_0.25
C
0.195 max
4.95 max
D
1
0.026 typ.
0.66
E
1
0.050
1.27
F
1
0.028 R
0.72 R
G
1
0.180
4.57
H
1
0.100
2.54
I
1
0.050
1.27
J
1
0.015
0.38
K
1
0.380
9.65
The package is not hermetically sealed.
The sides are intentionally left open to permit cleaning material to freely flow in the package, thus
minimizing the accumulation of contaminants during cleaning processes.
The internal part of the package must be thoroughly dry before operating.
Pad
Function
Note
1
Output
Enable/Disable
When this pad is not connected the oscillator shall operate.
When this pad is <0.60 volts, the output will be in a fixed state
Recommend connecting this pad to V
CC if the oscillator is to be always on.
2
No connect
There is no internal connection to this pad
3
Ground (GND)
4
Output
Logic high when disabled
Both outputs must be terminated and biased for proper
operation. The ideal termination is 50 ohms connected
to 2.0V below the Supply Voltage.
5
Output*
Logic low when disabled
6
Supply Voltage
(V
CC)
Recommend connecting appropriate power supply bypass capacitors as close as
possible.
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