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參數(shù)資料
| 型號(hào)： | SY87739LHI |
| 廠商： | Micrel Inc |
| 文件頁(yè)數(shù)： | 1/17頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC SYNTHESIZER FRACT 3.3V 32TQFP |
| 標(biāo)準(zhǔn)包裝： | 250 |
| 系列： | AnyClock® |
| 類型： | 分?jǐn)?shù)合成器 |
| PLL： | 是 |
| 主要目的： | 以太網(wǎng)，光纖通道，SONET/SDH/ATM |
| 輸入： | PECL |
| 輸出： | PECL |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 1:1 |
| 差分 - 輸入:輸出： | 是/是 |
| 頻率 - 最大： | 729MHz |
| 電源電壓： | 3.15 V ~ 3.45 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-TQFP 裸露焊盤(pán) |
| 供應(yīng)商設(shè)備封裝： | 32-EPAD-TQFP |
| 包裝： | 托盤(pán) |
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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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SY87739LHITR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:PROTOCOL TRANSPARENT 3.3V 10MHz to 729MHz FRACTIONAL-N SYNTHESIZER |
| SY87739LHY | 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 3.3V Fractional N Synthesizer (10MHz to 729MHz) (Lead Free/I Temp/32 pin TQFP) RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel |
| SY87739LHY TR | 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 3.3V Fractional N Synthesizer (10MHz to 729MHz) (Lead Free/I Temp/32 pin TQFP) RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel |
| SY87739LHYTR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:PROTOCOL TRANSPARENT 3.3V 10MHz to 729MHz FRACTIONAL-N SYNTHESIZER |
| SY87813L | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.3V, 28Mbps to 1.3Gbps AnyRate Clock and Data Recovery |
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