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参数资料
| 型号： | PE8845DEV-212.5M |
| 厂商： | PLETRONICS INC |
| 元件分类： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 212.5 MHz, PECL OUTPUT |
| 封装： | LEAD FREE, CREAMIC, LCC, 6 PIN |
| 文件页数： | 6/8页 |
| 文件大小： | 153K |
| 代理商： | PE8845DEV-212.5M |
PE88D Single Frequency
PECL Clock Oscillator
April 2007
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
0.067 max
1.70 max
D1
0.038
0.96
E1
0.200
5.08
F1
0.004
0.10
G1
0.050
1.27
H1
0.055
1.40
Contacts
:
Gold 11.8 μinches
0.3 μm minimum over
Nickel 50 to 350 μinches
1.27 to 8.89 μm
1 Typical dimensions
Not to Scale
I1
0.024
0.60
J1
0.004R
0.10R
K1
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
No internal connection
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 positive Supply Voltage.
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:
place terminations at the end of the output lines.
a ground plane under the device
if capacitive coupling is used on the output, care in choosing component values must be used to
achieve good signal quality. Remember ECL/PECL outputs are driven by an emitter follower.
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 |
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| PE8845DV | 制造商:PLETRONICS 制造商全称:Pletronics, Inc. 功能描述:PE88D Single Frequency PECL Clock Oscillator |
| PE8845DV-106.25M | 功能描述:标准时钟振荡器 106.25MHz 3.3V 50ppm 0-70DC RoHS:否 制造商:AVX 产品:Standard Clock Oscillators 封装 / 箱体:7 mm x 5 mm 频率:75 MHz 频率稳定性:50 PPM 电源电压:2.5 V 负载电容: 端接类型:SMD/SMT 最小工作温度:0 C 最大工作温度:+ 70 C 输出格式:LVDS 尺寸: 封装:Reel 系列: |
| PE8845DV-106.25M-T250 | 制造商:Pletronics 功能描述: 制造商:Pletronics 功能描述:CUT TAPE - Std Clock Oscillator 106.25MHz 3.3V |
| PE8845DV-106/212M | 功能描述:标准时钟振荡器 106/212MHz 3.3V 50ppm 0-70DC RoHS:否 制造商:AVX 产品:Standard Clock Oscillators 封装 / 箱体:7 mm x 5 mm 频率:75 MHz 频率稳定性:50 PPM 电源电压:2.5 V 负载电容: 端接类型:SMD/SMT 最小工作温度:0 C 最大工作温度:+ 70 C 输出格式:LVDS 尺寸: 封装:Reel 系列: |
| PE8845DV-212.50M | 功能描述:标准时钟振荡器 212.5MHz 3.3V 50ppm 0-70DC RoHS:否 制造商:AVX 产品:Standard Clock Oscillators 封装 / 箱体:7 mm x 5 mm 频率:75 MHz 频率稳定性:50 PPM 电源电压:2.5 V 负载电容: 端接类型:SMD/SMT 最小工作温度:0 C 最大工作温度:+ 70 C 输出格式:LVDS 尺寸: 封装:Reel 系列: |
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