参数资料
| 型号： | SY87721LHG |
| 厂商： | Micrel Inc |
| 文件页数： | 8/16页 |
| 文件大小： | 0K |
| 描述： | IC CLOCK/DATA RECOVERY 64-TQFP |
| 标准包装： | 160 |
| 系列： | AnyRate® |
| 类型： | 时钟和数据恢复（CDR），多路复用器 |
| PLL： | 是 |
| 主要目的： | 以太网，SONET/SDH，ATM 应用 |
| 输入： | PECL |
| 输出： | CML，PECL |
| 电路数： | 1 |
| 比率 - 输入:输出： | 1:6 |
| 差分 - 输入:输出： | 是/是 |
| 频率 - 最大： | 2.7GHz |
| 电源电压： | 3.15 V ~ 3.45 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 64-TQFP 裸露焊盘 |
| 供应商设备封装： | 64-EP-TQFP |
| 包装： | 托盘 |
SY87721L
16
Micrel, Inc.
M9999-012508
hbwhelp@micrel.com or (408) 955-1690
APPENDIX A
Layout and General Suggestions
1.
Establish controlled impedance stripline, microstrip, or co-planar 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 have more jitter) crystal based
oscillator for optimum performance. Evaluate and compare candidates by measuring TXCLK jitter.
8.
Evaluate ASIC AND FPGA REFIN source clocks with suitable jitter analysis equipment, such as TDS11801 tektronix
DSO oscilloscope, or Wavecrest DTS2077 Time Interval Analyzer.
9.
All unused outputs require termination. NC, however, should be unconnected.
MICREL, INC.
2180 FORTUNE DRIVE
SAN JOSE, CA 95131
USA
TEL
+ 1 (408) 944-0800 FAX + 1 (408) 474-1000 WEB http://www.micrel.com
The information furnished by Micrel in this data sheet is believed to be accurate and reliable. However, no responsibility is assumed by Micrel for its use.
Micrel reserves the right to change circuitry and specifications at any time without notification to the customer.
Micrel Products are not designed or authorized for use as components in life support appliances, devices or systems where malfunction of a product can
reasonably be expected to result in personal injury. Life support devices or systems are devices or systems that (a) are intended for surgical implant into
the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a significant injury to the user. A Purchaser’s
use or sale of Micrel Products for use in life support appliances, devices or systems is at Purchaser’s own risk and Purchaser agrees to fully indemnify
Micrel for any damages resulting from such use or sale.
2005 Micrel, Incorporated.
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相关代理商/技术参数 |
参数描述 |
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| SY87721LHGTR | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:3.3V 28Mbps-2.7Gbps ANYRATE CLOCK AND DATA RECOVERY WITH INTEGRATED CLOCK MULTIPLIER UNIT |
| SY87721LHI | 功能描述:IC CLOCK/DATA RECOVERY 64-TQFP RoHS:否 类别:集成电路 (IC) >> 时钟/计时 - 专用 系列:AnyRate® 标准包装:1,500 系列:- 类型:时钟缓冲器/驱动器 PLL:是 主要目的:- 输入:- 输出:- 电路数:- 比率 - 输入:输出:- 差分 - 输入:输出:- 频率 - 最大:- 电源电压:3.3V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-SSOP（0.209"，5.30mm 宽） 供应商设备封装:28-SSOP 包装:带卷 (TR) 其它名称:93786AFT |
| SY87721LHITR | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:CLOCK AND DATA RECOVERY WITH INTEGRATED CLOCK MULTIPLIER UNIT |
| SY87721LHY | 功能描述:计时器和支持产品 3.2V Any-Rate CDR 28 Mbps-2.7 Gbps (I Temp, Lead Free/64 TQFP) RoHS:否 制造商:Micrel 类型:Standard 封装 / 箱体:SOT-23 内部定时器数量:1 电源电压-最大:18 V 电源电压-最小:2.7 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Reel |
| SY87721LHY TR | 功能描述:计时器和支持产品 3.2V Any-Rate CDR 28 Mbps-2.7 Gbps (I Temp, Lead Free/64 TQFP) RoHS:否 制造商:Micrel 类型:Standard 封装 / 箱体:SOT-23 内部定时器数量:1 电源电压-最大:18 V 电源电压-最小:2.7 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Reel |
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