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參數(shù)資料
| 型號： | P1144-3SDEV-FREQ |
| 廠商： | PLETRONICS INC |
| 元件分類： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 70 MHz - 180 MHz, CMOS OUTPUT |
| 封裝： | ROHS COMPLIANT, RESISTANCE WELDED, DIP-14/4 |
| 文件頁數(shù)： | 6/7頁 |
| 文件大?。?/td> | 81K |
| 代理商： | P1144-3SDEV-FREQ |
P113SD Series 3.3 V
CMOS Clock Oscillators
July 2007
www.pletronics.com
425-776-1880
6
PLE
Mechanical:
Inches
mm
Cover:
Kovar
Electroless Nickel Plated
1 inch (25 m) 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
D
1
0.250
6.35
E
1
0.020
0.51
F
1
0.031
0.79
G
1
0.094
2.37
H
1
0.300
7.62
I
1
0.600
15.24
J
1
0.094
2.37
1 Nominal dimension
Pad
Function
Note
1
Output
Enable/Disable
When this pad is not connected the oscillator shall operate.
When this pad is logic low the output will be inhibited (high impedance state.)
Recommend connecting this pad to V
CC if the oscillator is to be always on.
7
Ground (GND)
8
Output
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.
PCB Mounting (typical for lead free processing)
Hand soldering is recommended.
Wave solder at 255
oC to 280oC with maximum wave exposure of 15 seconds
Reflow solder maximum exposure of 245
oC for 15 seconds
Soldering done in a nitrogen atmosphere enhances the solder joint quality.
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