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參數(shù)資料
| 型號： | PE1145MEV-FREQ |
| 廠商： | PLETRONICS INC |
| 元件分類： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 1 MHz - 250 MHz, PECL OUTPUT |
| 封裝： | CERAMIC, DIP-14/4 |
| 文件頁數(shù)： | 6/8頁 |
| 文件大小： | 141K |
| 代理商： | PE1145MEV-FREQ |
PE11M Series 3.3 V
PECL Clock Oscillators
December 2007
www.pletronics.com
425-776-1880
6
PL
E
Mechanical:
Inches
mm
Cover:
Kovar
Electroless Nickel Plated
1 μinch (25 μm) typical
Resistance welded to base
Label:
White Kapton with Black Letters
–or--
Blue Epoxy heat cure ink with laser
marked lettering
Base:
Kovar
Glass to metal sealed leads
Pin 7 Connected to case
Not to scale
A
0.787 +_0.005
20.00 +_0.13
B
0.487 +_0.005
12.37 +_0.13
C
0.225 +_0.011
5.72 +_0.28
D1
0.250
6.35
E1
0.020
0.51
F1
0.031
0.79
G1
0.094
2.37
H1
0.300
7.62
I1
0.600
15.24
J1
0.094
2.37
1 Nominal dimension
Pin
Function
Note
1
Output*
Both outputs must be terminated and biased for proper operation. The ideal
termination is 50 ohms connected to 2.0V below the Supply Voltage.
7
Ground (GND)
8
Output
Both outputs must be terminated and biased for proper operation. The ideal
termination is 50 ohms connected to 2.0V below the Supply Voltage.
14
Supply Voltage
(V
CC)
Recommend connecting appropriate power supply bypass capacitors as close as
possible.
Layout and application information
For Optimum Jitter Performance, Pletronics recommends:
a ground plane under the device
no large transient signals (both current and voltage) should be routed under the device
do not layout near a large magnetic field such as a high frequency switching power supply
do not place near piezoelectric buzzers or mechanical fans.
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