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参数资料
| 型号： | SM7644HV-FREQ-T500 |
| 厂商： | PLETRONICS INC |
| 元件分类： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 0.8 MHz - 70 MHz, CMOS OUTPUT |
| 封装： | ROHS COMPLIANT PACKAGE-4 |
| 文件页数： | 6/9页 |
| 文件大小： | 198K |
| 代理商： | SM7644HV-FREQ-T500 |
SM76H Series 3.3 V
CMOS Clock Oscillators
March 2008
www.pletronics.com 425-776-1880
6
4
3
2
1
Mechanical:
Inches
mm
Label:
Laser marked on the ceramic
package metal cover
FR4 PCB Base:
Solder masked
All via holes tented on bottom
Copper Clad oz. Typical
Gold plated 0.02
μ
inch (0.5
μ
m)
Pin 3 Ground plane is typical
Not to scale
1
Typical dimension
A
0.324 +0.003
8.23 +0.07
B
0.356 +0.005
9.04 +0.13
C
0.135 +0.005
3.43 +0.13
D
1
0.062
1.57
E
1
0.050
1.27
F
1
0.050
1.27
G
1
0.059
1.50
H
1
0.020
0.51
J
1
0.040
1.02
K
1
0.200
5.08
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| SM7644HW | 制造商:PLETRONICS 制造商全称:Pletronics, Inc. 功能描述:2.5 V CMOS Clock Oscillators |
| SM7644HX | 制造商:PLETRONICS 制造商全称:Pletronics, Inc. 功能描述:CMOS with Enable/ Disable or Optional Stand By Mode (3.3 V) |
| SM7644HY | 制造商:PLETRONICS 制造商全称:Pletronics, Inc. 功能描述:CMOS with Enable/ Disable or Optional Stand By Mode (3.3 V) |
| SM7645D | 制造商:PLETRONICS 制造商全称:Pletronics, Inc. 功能描述:5.0 V CMOS Clock Oscillators |
| SM7645DE | 制造商:PLETRONICS 制造商全称:Pletronics, Inc. 功能描述:5.0 V CMOS Clock Oscillators |
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