参数资料
| 型号： | SY87739LHY TR |
| 厂商： | Micrel Inc |
| 文件页数： | 1/17页 |
| 文件大小： | 0K |
| 描述： | IC SYNTHESIZER FRACTION N 32TQFP |
| 标准包装： | 1,000 |
| 系列： | AnyClock® |
| 类型： | 分数合成器 |
| PLL： | 是 |
| 主要目的： | 以太网，光纤通道，SONET/SDH/ATM |
| 输入： | PECL |
| 输出： | PECL |
| 电路数： | 1 |
| 比率 - 输入:输出： | 1:1 |
| 差分 - 输入:输出： | 是/是 |
| 频率 - 最大： | 729MHz |
| 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： | 32-TQFP 裸露焊盘 |
| 供应商设备封装： | 32-EPAD-TQFP |
| 包装： | 带卷 (TR) |
| 其它名称： | SY87739LHYTR SY87739LHYTR-ND |
SY87739L
Protocol Transparent, 3.3V,
10MHz to 729MHz, Fractional-N Synthesizer
AnyClock and AnyRate are registered trademarks of Micrel, Inc.
MicroWire is a trademark of National Semiconductor
Micrel Inc. 2180 Fortune Drive San Jose, CA 95131 USA tel +1 (
408) 944-0800 fax + 1 (408) 474-1000 http://www.micrel.com
General Description
The SY87739L is a complete rate independent frequency
synthesizer integrated circuit. From a single reference
source, this device generates a differential PECL output
frequency from 10MHz up to 729MHz
The SY87739L generates an exactly correct reference
frequency for common data transport protocols. This is
especially important in transponder applications, where a
standards compliant protocol data unit must be generated
downstream, even in the absence of any signal from the
associated upstream interface. In addition, the SY87739L
will generate exactly correct reference frequencies for
common data transport protocols augmented by forward
error
correction
codes.
The
SY87739L
accepts
configuration via a MicroWire interface
For proprietary applications, the SY87739L generates
reference frequencies guaranteed to enable the SY87721L
CDR to lock to any possible baud rate from 28Mbps to
2.7Gbps.
Data sheets and support documentation can be found on
Micrel’s web site at: www.micrel.com.
Features
Protocol transparent fractional-N synthesizer from
10MHz to 729MHz from a single 27MHz reference
oscillator
Generates exactly the correct frequency for common
transport protocols with or without FEC
Directly enables SY87721L CDR to lock onto any data
rate within its range
Exceeds BellCore and ITU jitter generation
specifications
Programmable via MicroWire interface
Available in 32-Pin ePad-TQFP package
Applications
Metro access system
Transponders
Bullet item
Multiplexers: access, Add Drop Mux
SONET/SDH/ATM-based transmission systems,
modules and test equipment
Broadband cross-connects
Fiber optic test equipment
Protocols supported: OC-1, OC-3, OC-12, OC-48, ATM,
Gigabit Ethernet, Fast Ethernet, Fibre Channel and 2X
Fibre Channel, 1394, InfiniBand, and Proprietary
Optical Transport
Typical Application Circuit and Typical Performance
June 2011
M9999-061511
hbwhelp@micrel.com or (408) 955-1690
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SY87813L | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:3.3V, 28Mbps to 1.3Gbps AnyRate Clock and Data Recovery |
| SY87813L_06 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:3-Port 10/100 Integrated Switch with PHY and Frame Buffer |
| SY87813LHG | 功能描述:计时器和支持产品 3.3V Any-Rate 32-1250 Mbps CDR (I Temp, Green/32 Pin EP-TQFP/bulk) 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 |
| SY87813LHG TR | 功能描述:计时器和支持产品 3.3V Any-Rate 32-1250 Mbps CDR (PbSn/I Temp/32 Pin EP-TQFP/T+R) 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 |
| SY87813LHGTR | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:3.3V, 28Mbps to 1.3Gbps AnyRate Clock and Data Recovery |
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