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參數(shù)資料
| 型號： | SY87700ALHG |
| 廠商： | MICREL INC |
| 元件分類： | 數(shù)字傳輸電路 |
| 英文描述： | Low-Power, 3.3V, 32Mbps to 208Mbps AnyRate Clock and Data Recovery |
| 中文描述： | CLOCK RECOVERY CIRCUIT, PQFP32 |
| 封裝： | LEAD FREE, TQFP-32 |
| 文件頁數(shù)： | 13/16頁 |
| 文件大?。?/td> | 643K |
| 代理商： | SY87700ALHG |
Micrel, Inc.
SY87700AL
Appendix A
Layout and General Suggestions
November 2006
13
M9999-111406-B
hbwhelp@micrel.com
or (408) 955-1690
1. Establish controlled impedance stripline, microstrip, or
coplanar construction techniques.
2. Signal paths should have approximately the same width
as the device pads.
3. All differential paths are critical timing paths, where
skew should be matched to within ±10ps.
4. Signal trace impedance should not vary more than
±5%. If in doubt, perform TDR analysis of all high-speed
signal traces.
5. Maintain compact filter networks as close to filter pins
as possible. Provide ground plane relief under filter path
to reduce stray capacitance. Be careful of crosstalk
coupling into the filter network.
6. Maintain low jitter on the REFCLK input. Isolate the
XTAL oscillator from power supply noise by adequately
decoupling. Keep XTAL oscillator close to device, and
minimize capacitive coupling from adjacent signals.
7. Higher speed operation may require use of
fundamental-tone (third-overtone typically has more
jitter) crystal-based oscillator for optimum performance.
Evaluate and compare candidates by measuring
TXCLK jitter.
8. All unused outputs must be terminated. To conserve
power, unused PECL outputs can be terminated with a
1k
resistor to V
EE
.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| SY87700ALHG TR | 功能描述:計時器和支持產(chǎn)品 3.3V 32Mbps-175Mbps CDR (I Temp, Green/32 pin TQFP/T+R) RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
| SY87700ALZG | 功能描述:計時器和支持產(chǎn)品 3.3V 32Mbps-175Mbps CDR (I Temp, Green/28 pin SOIC/bulk) RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
| SY87700ALZG TR | 功能描述:計時器和支持產(chǎn)品 3.3V 32Mbps-175Mbps CDR (I Temp, Green/28 pin SOIC/T+R) RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
| SY87700L | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.3V 32-175Mbps AnyRate CLOCK AND DATA RECOVERY |
| SY87700L_06 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.3V 32-175Mbps AnyRate CLOCK AND DATA RECOVERY |
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