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参数资料
| 型号： | HC5544DEW-125.0M-T500 |
| 厂商： | PLETRONICS INC |
| 元件分类： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 125 MHz, HSCL OUTPUT |
| 封装： | ROHS COMPLIANT, CERAMIC, LCC-6 |
| 文件页数： | 6/8页 |
| 文件大小： | 136K |
| 代理商： | HC5544DEW-125.0M-T500 |
HC55D Series 2.5 V
HCSL Clock Oscillators
January 2011
www.pletronics.com
425-776-1880
6
1
3
4
1
2
6
5
Mechanical:
Inches
mm
A
0.197 +
_0.006
5.00 +
_0.15
B
0.125 +
_0.006
3.20 +
_0.15
C
0.053 max
1.35 max
D
1
0.050
1.27
E
1
0.050
1.27
F
1
0.004
0.10
G
1
0.039
1.00
H
1
0.025
0.63
Contacts
:
Gold 11.8 to 39.4 inches (0.3 to 1.0m)
over
Nickel 50 to 350 inches (1.27 to 8.89 m)
1 Typical dimensions
Not to Scale
I
1
0.020
0.50
J
1
0.004R
0.10R
K
1
0.008R
0.20R
Pad
Function
Note
1
Output
Enable/Disable
When this pad is not connected the oscillator shall operate.
When this pad is <0.30 volts, the output will be inhibited (high impedance 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
Both outputs must be terminated and biased for proper operation. The ideal
termination is 50 ohms connected to ground.
5
Output*
6
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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