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VSC7182 PDF预览

VSC7182

更新时间: 2022-03-25 19:36:55
品牌 Logo 应用领域
VITESSE 光纤以太网
页数 文件大小 规格书
18页 236K
描述
Quad Transceiver for Gigabit Ethernet and Fibre Channel

VSC7182 数据手册

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VITESSE  
SEMICONDUCTOR CORPORATION  
Advance Product Information  
Quad Transceiver  
for Gigabit Ethernet and Fibre Channel  
VSC7182  
Features  
• Common and Per-Channel, Serial and Parallel  
Loopback Controls  
• Four Complete Transmitter/ Receiver Functions  
in a Single Integrated Circuit  
• Common Comma Detect Enable Inputs  
• Per-Channel Comma Detect Outputs  
• Cable Equalization in Receivers  
• Full Fibre Channel (T11) and Gigabit Ethernet  
(IEEE 802.3z) Compliance  
• 1.05Gb/s to 1.36Gb/s Operation per Channel  
• Common or Per-Channel Transmit Byte Clocks  
• TTL or PECL Reference Clock Input  
• Receiver Squelch Circuit  
• Replacement For Agilent’s HDMP-1682  
• 3.3V Power Supply, 2.67 W Max Dissipation  
• 208-Pin, 23mm BGA Packaging  
General Description  
The VSC7182 is a full-speed quad Fibre Channel and Gigabit Ethernet transceiver IC. Each of the four  
transmitters has a 10-bit wide bus, running up to 136MHz, which accepts 8B/10B encoded transmit characters  
and serializes the data onto high-speed differential outputs at speeds up to 1.36Gb/s. The transmit data can be  
synchronous to the reference clock, a common transmit byte clock or a per-channel transmit byte clock. Each  
receiver samples serial receive data, recovers the clock and data, deserializes it into 10-bit receive characters,  
outputs a recovered clock and detects “Comma” characters. The VSC7182 contains on-chip Phase-Lock Loop  
(PLL) circuitry for synthesis of the baud-rate transmit clock and extraction of the clocks from the received serial  
streams. The VSC7182 also includes a receiver squelch circuit to control the parallel data bus in the absence of  
serial input.  
VSC7182 Block Diagram (1 of 4 Channels)  
10  
Serial to  
Parallel  
Q D  
Q D  
RXi[0:9]  
Q
D
SI+  
SI-  
0
1
¸
10  
RCM  
RCi1  
RCi0  
Clock  
Recovery  
SEL  
10/  
20  
¸
¸
Comma  
Detect  
SYNi  
SYNC  
PLUP  
SLPN  
Loopback  
Control  
4
LPNi  
0
1
SO+  
SO-  
10  
Parallel  
to Serial  
TXi[0:9]  
D Q  
D Q  
4
4
TCi  
RFCT  
RFC+  
RFC-  
RFCM  
LTCN  
CAP0  
CAP1  
Clock  
Multiply  
Unit  
RFCO0  
RFCO1  
x10/x20  
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012  
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com  
Internet: www.vitesse.com  
G52307-0, Rev 2.2  
10/10/00  
Page 1  

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