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VSC7124 PDF预览

VSC7124

更新时间: 2024-02-16 23:50:51
品牌 Logo 应用领域
VITESSE /
页数 文件大小 规格书
8页 131K
描述
Quad Port Bypass Circuit

VSC7124 技术参数

生命周期:Transferred零件包装代码:QFP
包装说明:HTQFP,针数:44
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.16Is Samacsys:N
JESD-30 代码:S-PQFP-G44长度:10 mm
功能数量:1端子数量:44
最高工作温度:95 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:HTQFP
封装形状:SQUARE封装形式:FLATPACK, HEAT SINK/SLUG, THIN PROFILE
认证状态:Not Qualified座面最大高度:1.2 mm
标称供电电压:3.3 V表面贴装:YES
技术:CMOS电信集成电路类型:TELECOM CIRCUIT
温度等级:OTHER端子形式:GULL WING
端子节距:0.8 mm端子位置:QUAD
宽度:10 mmBase Number Matches:1

VSC7124 数据手册

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VITESSE  
SEMICONDUCTOR CORPORATION  
Advance Product Information  
VSC7124  
Quad Port Bypass Circuit  
Features  
• ANSI X3T11 Fibre Channel Compliant at 1.0625Gb/s  
• 3.3V, 0.25W Typical Power  
• IEEE 802.3z Gigabit Ethernet Compliant at 1.25Gb/s  
• Five Port Bypass Circuits (PBCs)  
• 0.35um CMOS, a Velocity Family Member  
• 44-Pin, 10mm PQFP Package  
• On-Chip Transmit Termination  
General Description  
The VSC7124 contains five cascaded Port Bypass Circuits (PBCs) used to steer serial signals. This part is typ-  
ically used in distributing Fibre Channel signals to an array of disk drives in an FC-AL loop as illustrated in Fig-  
ure 1. The VSC7124 can be used with any of the Vitesse JBOD circuits to implement FC-AL JBODs of  
virtually any size. In Figure 1, the first VSC7127’s CRU is configured as a Repeater to attenuate jitter. The  
VSC7124 does not contain a CRU in order to reduce power and cost. The second VSC7127’s CRU is config-  
ured as a retimer so that the output of the device is a jitter compliance point.  
Each PBC is a multiplexer that is controlled by the corresponding SELx line which, if HIGH, selects the exter-  
nal input or, if LOW, selects the output of the previous PBC.  
VSC7124 Block Diagram  
1
0
1
0
1
0
1
0
1
0
PBC0  
PBC1  
PBC2  
PBC3  
PBC4  
G52293-0, Rev 2.3  
05/07/01  
Page 1  
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012  
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com  
Internet: www.vitesse.com  

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