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SY87700LSI PDF预览

SY87700LSI

更新时间: 2024-01-12 12:04:56
品牌 Logo 应用领域
美国微芯 - MICROCHIP ATM异步传输模式电信光电二极管电信集成电路
页数 文件大小 规格书
15页 162K
描述
Clock Recovery Circuit, 1-Func, Bipolar, PDSO28, 0.300 INCH, SOIC-28

SY87700LSI 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:HSOP, SOP28,.4针数:28
Reach Compliance Code:not_compliantHTS代码:8542.39.00.01
风险等级:5.84应用程序:ATM;SDH;SONET
JESD-30 代码:R-PDSO-G28JESD-609代码:e0
长度:17.93 mm湿度敏感等级:3
功能数量:1端子数量:28
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:HSOP
封装等效代码:SOP28,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, HEAT SINK/SLUG峰值回流温度(摄氏度):240
电源:3.3 V认证状态:Not Qualified
座面最大高度:2.52 mm子类别:ATM/SONET/SDH ICs
最大压摆率:0.23 mA标称供电电压:3.3 V
表面贴装:YES技术:BIPOLAR
电信集成电路类型:ATM/SONET/SDH CLOCK RECOVERY CIRCUIT温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn85Pb15)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:7.52 mm

SY87700LSI 数据手册

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3.3V 32-175Mbps AnyRate®  
CLOCK AND DATA RECOVERY  
L  
SY87700L  
FEATURES  
DESCRIPTION  
Industrial temperature range (–40°C to +85°C)  
3.3V power supply  
The SY87700L is a complete Clock Recovery and Data  
Retiming integrated circuit for data rates from 32Mbps  
up to 175Mbps NRZ. The device is ideally suited for  
SONET/SDH/ATM applications and other high-speed data  
transmission systems.  
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 source  
as reference.  
SONET/SDH/ATM compatible  
Clock and data recovery from 32Mbps up to  
175Mbps NRZ data stream, clock generation from  
32Mbps to 175Mbps  
Two on-chip PLLs: one for clock generation and  
another for clock recovery  
Selectable reference frequencies  
Differential PECL high-speed serial I/O  
Line receiver input: no external buffering needed  
Link Fault indication  
The SY87700L also includes a link fault detection  
circuit.  
All support documentation can be found on Micrel’s web  
site at www.micrel.com.  
100k ECL compatible I/O  
Complies with Bellcore, ITU/CCITT and ANSI  
specifications for applications such as OC-1 and  
OC-3 as well as proprietary applications  
APPLICATIONS  
Available in 32-pin EPAD-TQFP and 28-pin EPAD  
SOIC packages (28-pin SOIC is available, but is not  
recommended for new designs.)  
SONET/SDH/ATM OC-1 and OC-3  
Fast Ethernet, SMPTE 259  
Proprietary architecture up to 175Mbps  
BLOCK DIAGRAM  
PLLR P/N  
RDOUTP  
(PECL)  
RDINP  
(PECL)  
RDINN  
PHASE  
DETECTOR  
RDOUTN  
RCLKP  
(PECL)  
0
1
CHARGE  
PUMP  
VCO  
RCLKN  
PHASE/  
FREQUENCY  
DETECTOR  
LINK  
FAULT  
CD  
(PECL)  
DETECTOR  
LFIN  
(TTL)  
REFCLK  
PHASE/  
CHARGE  
PUMP  
FREQUENCY  
VCO  
(TTL)  
TCLKP  
(PECL)  
1
0
DETECTOR  
TCLKN  
VCC  
DIVIDER  
VCCA  
BY 8, 10, 16, 20  
V
GND  
CCO  
SY87700L  
DIVSEL 1/2  
PLLS P/N  
FREQSEL 1/2/3  
(TTL)  
CLKSEL  
(TTL)  
(TTL)  
AnyRate is a registered trademark of Micrel, Inc.  
Rev.: E  
Amendment:/0  
M9999-080305  
hbwhelp@micrel.com or (408) 955-1690  
1
Issue Date: August 2005  

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