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参数资料
| 型号： | PE7820DV-FREQ-T500 |
| 厂商： | PLETRONICS INC |
| 元件分类： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 40 MHz - 250 MHz, PECL OUTPUT |
| 封装： | ROHS COMPLIANT PACKAGE-6 |
| 文件页数： | 6/8页 |
| 文件大小： | 116K |
| 代理商： | PE7820DV-FREQ-T500 |
PE78D Series 3.3 V
PECL Clock Oscillators
January 2008
www.pletronics.com
425-776-1880
6
Mechanical:
Inches
mm
Cover:
Centered on the base
304 Stainless Steel
0.010 inch (0.25mm)
Electroless Nickel Plated
1 inch (25 m) typical
Label:
White Kapton with Black Letters
–or--
Blue Epoxy heat cure ink covering
top with laser marked lettering
FR4 PCB Base:
Solder masked
All via holes tented on bottom
Copper Clad 670 inch (17 m)
Nickel plated 118 inch (3 m)
Gold plated 0.8 inch (0.02 m)
Typical thicknesses
Pin 3 Ground plane is typical
Not to scale
A
0.351 +
_0.003
8.91 +
_0.07
B
0.356 +
_0.005
9.04 +
_0.13
C
0.103 +
_0.005
2.62 +
_0.13
D
1
0.324
8.23
E
1
0.316
8.03
F
1
0.050
1.27
G
1
0.040
1.02
H
1
0.059
1.50
I
1
0.020
0.51
J
1
0.040
1.02
K
1
0.100
2.54
L
1
0.026 typical
0.66
The package is not hermetically sealed (the crystal unit inside is hermetically sealed).
The sides are intentionally left open to permit cleaning material to freely flow in the package, thus
minimizing the accumulation of contaminants during cleaning processes.
The internal part of the package must be thoroughly dry before operating.
Pad
Function
Note
1
No connect
There is no internal connection to this pad
2
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.
3
Ground (GND)
4
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.
5
Output*
6
Supply Voltage
(V
CC)
Recommend connecting appropriate power supply bypass capacitors as close as
possible.
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相关代理商/技术参数 |
参数描述 |
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| PE7820DW | 制造商:PLETRONICS 制造商全称:Pletronics, Inc. 功能描述:PE76D / PE78D Series 2.5 V PECL Clock Oscillators |
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| PE783006 | 功能描述:POWER ENTRY FILTERED 6A SCREW RoHS:是 类别:滤波器 >> 电源输入 - 模块 系列:PE70 产品培训模块:5707 Power Entry Module 标准包装:10 系列:5707 保险丝盒:包括在内 安装类型:面板安装，螺孔 滤波器类型:通用型 特点:防尘，保险丝盒，屏蔽，防水 电压:125/250VAC 电流:1A 端接类型:快速连接 类型:IEC 320-C14（公引脚） 其它名称:486-1263 |
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| PE7844DEW | 制造商:PLETRONICS 制造商全称:Pletronics, Inc. 功能描述:PE76D / PE78D Series 2.5 V PECL Clock Oscillators |
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