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參數(shù)資料
| 型號： | SM7745DEX-100.M-T1K |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 1.8 V CMOS Clock Oscillators |
| 中文描述： | 1.8伏CMOS時(shí)鐘振蕩器 |
| 文件頁數(shù)： | 6/8頁 |
| 文件大小： | 152K |
| 代理商： | SM7745DEX-100.M-T1K |
SM77D Series 1.8 V
CMOS Clock Oscillators
October 2006
www.pletronics.com 425-776-1880
6
Mechanical:
Inches
mm
A
0.276 +0.006
7.00 +0.15
B
0.197 +0.006
5.00 +0.15
C
0.073 +0.012
1.87 +0.30
D
1
0.038
0.96
E
1
0.200
5.08
F
1
0.004
0.10
G
1
0.050
1.27
H
1
0.055
1.40
Not to Scale
1
Typical dimensions
I
1
0.024
0.60
J
1
0.004
0.10R
K
1
0.008
0.020R
Contacts :
Gold 11.8
μ
inches 0.3
μ
m minimum over Nickel 50 to 350
μ
inches 1.27 to 8.89
μ
m
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.
2
Ground (GND)
3
Output
4
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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