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VSC7142RC PDF预览

VSC7142RC

更新时间: 2024-01-29 20:41:55
品牌 Logo 应用领域
美高森美 - MICROSEMI 以太网:16GBASE-T电信电信集成电路
页数 文件大小 规格书
22页 353K
描述
Ethernet Transceiver, PQFP64, 10 MM X 10 MM, TQFP-64

VSC7142RC 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:HTFQFP, TQFP64,.47SQReach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:5.66
JESD-30 代码:S-PQFP-G64长度:10 mm
功能数量:2端子数量:64
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:HTFQFP封装等效代码:TQFP64,.47SQ
封装形状:SQUARE封装形式:FLATPACK, HEAT SINK/SLUG, THIN PROFILE, FINE PITCH
电源:2.5 V认证状态:Not Qualified
座面最大高度:1.2 mm子类别:Other Telecom ICs
最大压摆率:460 mA标称供电电压:2.5 V
表面贴装:YES电信集成电路类型:ETHERNET TRANSCEIVER
端子形式:GULL WING端子节距:0.5 mm
端子位置:QUAD宽度:10 mm
Base Number Matches:1

VSC7142RC 数据手册

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VSC7142  
Datasheet  
Dual Repeater/Retimer for Fibre Channel and Gigabit Ethernet  
FEATURES  
APPLICATIONS  
Bidirectional Signal Clean-Up in Duplex Links  
Fibre Channel Switches  
T11 Fibre Channel Compliant at 1.06Gb/s and 2.12Gb/s  
IEEE 802.3 Gigabit Ethernet Compliant at 1.25Gb/s  
®
Fibre Channel Disk Arrays  
Two FibreTimer Megacells Configured as:  
Fibre Channel RAID Subsystems  
Fibre Channel Host Bus Adapters  
Gigabit Ethernet Switches and Routers  
iSCSI SAN Host Bus Adapters  
iSCSI Switches  
Repeaters for low latency  
Retimers for true Fibre Channel compliance  
Two Analog/Digital Signal Detect Units  
106.25MHz or 125MHz Reference Clock  
Speed-Independent Tx and Rx Paths to Aid in  
Auto-Speed Negotiation  
Single 2.5V Supply, 1.0W Typical Power  
64-Pin, 10mm x 10mm TQFP Package  
GENERAL DESCRIPTION  
The VSC7142 contains two FibreTimer repeater/retimer cells and signal detect units (SDUs) primarily used for  
bidirectional signal clean-up applications. Each FibreTimer cell contains an all-digital clock recovery unit (CRU) that  
can be configured as either a repeater or a retimer. Repeaters recover the incoming signal and retransmit the data  
synchronously to the recovered clock in order to attenuate jitter so that downstream devices see high amplitude, low  
jitter signals. Retimers eliminate jitter transfer by retiming the recovered data to the local reference clock. An add/  
drop FIFO inserts or deletes 40-bit Fibre Channel fill words to match the incoming data rate to the local reference  
clock, ensuring Fibre Channel compliance at the output of the retimer. The VSC7142 also operates as a repeater for  
Gigabit Ethernet applications at 1.25Gb/s. Retimer mode is not available for Gigabit Ethernet applications.  
VSC7142 Block Diagram  
SDU0  
I0+  
1
T1  
Fibre  
Timer0  
I0−  
RBIAS0  
1
O1+  
0
O1−  
PEMP1  
0
MUX0  
T0  
O0+  
O0−  
MUX2  
0
1
0
1
Fibre  
I1+  
PEMP0  
Timer1  
MUX3  
I1−  
RBIAS1  
SDUSEL  
ASDDIS  
SDU1  
MUX1  
RFSEL  
REFCLK  
2.125GHz  
CMU  
(106/53MHz)  
CAP0  
CAP1  
VMDS-10037 Revision 4.3  
August 15, 2006  
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012  
Tel: (800) VITESSE • FAX: (805) 987-5896 • E-mail: prodinfo@vitesse.com  
Internet: www.vitesse.com  
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