參數(shù)資料
型號(hào)： SY87721LHG
廠商： Micrel Inc
文件頁(yè)數(shù)： 1/16頁(yè)
文件大?。?/td> 0K
描述： IC CLOCK/DATA RECOVERY 64-TQFP
標(biāo)準(zhǔn)包裝： 160
系列： AnyRate®
類型： 時(shí)鐘和數(shù)據(jù)恢復(fù)（CDR），多路復(fù)用器
PLL： 是
主要目的： 以太網(wǎng)，SONET/SDH，ATM 應(yīng)用
輸入： PECL
輸出： CML，PECL
電路數(shù)： 1
比率 - 輸入:輸出： 1:6
差分 - 輸入:輸出： 是/是
頻率 - 最大： 2.7GHz
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： 64-TQFP 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝： 64-EP-TQFP
包裝： 托盤(pán)
SY87721L
1
Micrel, Inc.
M9999-012508
hbwhelp@micrel.com or (408) 955-1690
3.3V 28Mbps-2.7Gbps AnyRate
CLOCK AND DATA RECOVERY WITH
INTEGRATED CLOCK MULTIPLIER UNIT
DESCRIPTION
FEATURES
SY87721L
s Recovers any data and clock from 28Mbps to
2.7Gbps
OC-1, OC-3, OC-12, OC-48, ATM
Gigabit Ethernet, Fast Ethernet
Fibre Channel, 2x Fibre Channel
P1394, Infiniband
SMPTE-259, SMPTE-292
Proprietary optical transport
s Integrated clock multiplier unit with low jitter
generation
s Complies with Bellcore, ITU/CCITT and ANSI
specifications
s Selectable mux for pass through; avoids jitter
accumulation when switching through backplanes
s Available in 64-Pin EPAD-TQFP package
The SY87721L is a complete Clock Recovery and Data
retiming integrated circuit for data rates from 28Mbps up to
2.7Gbps NRZ including SONET FEC data rates. Included
in the device, is a fully integrated Clock Multiplier Unit (CMU)
that is capable of generating frequencies that cover the
same data rate range as the CDR. 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 with a byte rate or code group rate
source as reference.
Rev.: D
Amendment: /0
Issue Date: January 2008
SIMPLIFIED BLOCK DIAGRAM
SY87721L
AnyRate
Data In
Reference
Clock
2
AnyRate
Data Out
Transmit
Clock
2
CDR
Recovered
Clock
CMU
APPLICATIONS
s SONET/SDH/ATM-based transmission systems,
modules, and test equipment
s Transponders and section repeaters
s Multiplexers: access, add drop (ADM), and terminal (TM)
s Terabit routers and broadband cross-connects
s Fiber optic test equipment
AnyRate is a registered trademark of Micrel, Inc.
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參數(shù)描述
SY87721LHGTR 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
SY87721LHI 功能描述:IC CLOCK/DATA RECOVERY 64-TQFP RoHS:否 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 專用 系列:AnyRate® 標(biāo)準(zhǔn)包裝:1,500 系列:- 類型:時(shí)鐘緩沖器/驅(qū)動(dòng)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(yīng)商設(shè)備封裝:28-SSOP 包裝:帶卷 (TR) 其它名稱:93786AFT
SY87721LHITR 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:CLOCK AND DATA RECOVERY WITH INTEGRATED CLOCK MULTIPLIER UNIT
SY87721LHY 功能描述:計(jì)時(shí)器和支持產(chǎn)品 3.2V Any-Rate CDR 28 Mbps-2.7 Gbps (I Temp, Lead Free/64 TQFP) RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時(shí)器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel
SY87721LHY TR 功能描述:計(jì)時(shí)器和支持產(chǎn)品 3.2V Any-Rate CDR 28 Mbps-2.7 Gbps (I Temp, Lead Free/64 TQFP) RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時(shí)器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel
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