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參數資料
| 型號： | SY87702LHG |
| 廠商： | MICREL INC |
| 元件分類： | 數字傳輸電路 |
| 英文描述： | 3.3V 28Mbps-2.5Gbps AnyRate CLOCK AND DATA RECOVERY |
| 中文描述： | CLOCK RECOVERY CIRCUIT, PQFP64 |
| 封裝： | LEAD FREE, TQFP-64 |
| 文件頁數： | 1/14頁 |
| 文件大小： | 122K |
| 代理商： | SY87702LHG |
SY87702L
1
Micrel, Inc.
M9999-102405
hbwhelp@micrel.com or (408) 955-1690
Rev.: C
Issue Date: October 2005
Amendment: /0
DESCRIPTION
FEATURES
SY87702L
I
3.3V power supply
I
Complies with Bellcore, ITU/CCITT and ANSI
specifications for applications such as OC-1, OC-3,
OC-12, OC-48*, and ATM
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Compatible with FDDI, Gigabit Ethernet, Fibre
Channel, 2X Fibre Channel, SMPTE 259 and 292, and
proprietary applications
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Low power
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Clock and data recovery from 28Mbps up to 2.5Gbps
NRZ data stream
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Selectable reference frequencies via programmable
multiplier
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Differential PECL and CML high-speed serial outputs
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Line receiver input: no external buffering needed
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Link fault indication
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100K ECL compatible I/O
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Available in 64-Pin EP-TQFP package
The SY87702L is a complete Clock Recovery and Data
retiming integrated circuit for data rates from 28Mbps up to
2.5Gbps NRZ. The device is ideally suited for SONET/SDH/
ATM, Fibre Channel, and Gigabit Ethernet applications, as
well as other high-speed data transmission applications.
Clock recovery and data retiming is performed by
synchronizing the on-chip VCO directly to the incoming data
stream. The VCO center frequency is controlled by the
reference clock frequency and the selected divide ratio. On-
chip clock generation is performed through the use of a
frequency multiplier PLL and can be used as a Clock
Multiplier Unit (CMU). The integrated CMU can provide this
clock signal at the TCLK outputs. Additionally, the TCLK
output can be selected to provide a copy of the RCLK
frequency.
For SONET/SDH applications, the SY87702L includes a
Link Fault Detection circuit. This circuit, enabled by the output
of an optical module driving the CD input low, causes the
recovery PLL of the SY87702L to lock to the reference
clock's multiplied frequency under Loss-of-Signal conditions.
This low jitter clock is provided at the RCLK outputs and is
at the same frequency as that provided at the TCLK output.
3.3V 28Mbps-2.5Gbps AnyRate
CLOCK AND DATA RECOVERY
APPLICATIONS
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Transponders and section repeaters
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Multiplexer's: access, add drop (ADM), and terminal
(TM)
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SONET/SDH/ATM: -based transmission systems,
modules, and test equipment
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Terabit routers and broadband cross-connects
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Fibre optic test equipment
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HDTV switching and transmission
*Meets OC-48 Jitter Tolerance and Transfer
AnyRate
is a registered trademark of Micrel, Inc.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| SY87702LHGTR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.3V 28Mbps-2.5Gbps AnyRate CLOCK AND DATA RECOVERY |
| SY87702LHI | 功能描述:IC CLOCK/DATA RECOVERY 64-TQFP RoHS:否 類別:集成電路 (IC) >> 時鐘/計時 - 專用 系列:AnyRate® 標準包裝:1,500 系列:- 類型:時鐘緩沖器/驅動器 PLL:是 主要目的:- 輸入:- 輸出:- 電路數:- 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 |
| SY87702LHITR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.3V 28Mbps-2.5Gbps AnyRate CLOCK AND DATA RECOVERY |
| SY87721-EVAL | 制造商:Micrel Inc 功能描述: |
| SY87721L | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.3V 28Mbps-2.7Gbps ANYRATE CLOCK AND DATA RECOVERY WITH INTEGRATED CLOCK MULTIPLIER UNIT |
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