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參數(shù)資料
| 型號： | SY69753LHGTR |
| 廠商： | MICREL INC |
| 元件分類： | 數(shù)字傳輸電路 |
| 英文描述： | 3.3V, 125Mbps, 155Mbps Clock and Data Recovery |
| 中文描述： | CLOCK RECOVERY CIRCUIT, PQFP32 |
| 封裝： | LEAD FREE, TQFP-32 |
| 文件頁數(shù)： | 11/13頁 |
| 文件大?。?/td> | 448K |
| 代理商： | SY69753LHGTR |
Micrel, Inc.
SY69753L
Appendix A
Layout and General Suggestions
November 2006
11
M9999-111406-D
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 require termination. To conserve
power, unused PECL outputs can be terminated with a
1k
resistor to VEE.
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| SY69753LHI | 功能描述:IC CLOCK/DATA REC 155MBPS 32TQFP RoHS:否 類別:集成電路 (IC) >> 時鐘/計時 - 專用 系列:- 標準包裝:1,500 系列:- 類型:時鐘緩沖器/驅(qū)動器 PLL:是 主要目的:- 輸入:- 輸出:- 電路數(shù):- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 電源電壓:3.3V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP（0.209"，5.30mm 寬） 供應商設備封裝:28-SSOP 包裝:帶卷 (TR) 其它名稱:93786AFT |
| SY69753LHI TR | 功能描述:IC CLOCK/DATA RECVRY 3.3V 32TQFP RoHS:否 類別:集成電路 (IC) >> 時鐘/計時 - 專用 系列:- 標準包裝:1,500 系列:- 類型:時鐘緩沖器/驅(qū)動器 PLL:是 主要目的:- 輸入:- 輸出:- 電路數(shù):- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 電源電壓:3.3V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP（0.209"，5.30mm 寬） 供應商設備封裝:28-SSOP 包裝:帶卷 (TR) 其它名稱:93786AFT |
| SY69753LHITR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.3V, 125Mbps, 155Mbps Clock and Data Recovery |
| SY69753LHYTR | 制造商:Micrel Inc 功能描述:3.3V,125MBPS, 155MBPS CLOCK AND DATA RECOVERY |
| SY69754AL | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.3V, 622Mbps Clock and Data Recovery |
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