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參數(shù)資料
| 型號： | VSC7139 |
| 廠商： | Vitesse Semiconductor Corporation. |
| 英文描述： | Quad Transceiver for Gigabit Ethernet and Fibre Channel |
| 中文描述： | 四千兆以太網(wǎng)收發(fā)器和光纖通道 |
| 文件頁數(shù)： | 1/18頁 |
| 文件大?。?/td> | 258K |
| 代理商： | VSC7139 |
VITESSE
Preliminary Datasheet
VSC7139
Quad Transceiver for
Gigabit Ethernet and Fibre Channel
G52196-0, Rev 3.3
5/14/01
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
Features
Four Complete Transmitter/ Receiver Functions
in a Single Integrated Circuit
General Description
The VSC7139 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 VSC7139 contains on-chip (PLL) circuitry for
synthesis of the baud-rate transmit clock and extraction of the clocks from the received serial streams.
VSC7139 Block Diagram (1 of 4 Channels)
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
1/10
th
or 1/20
th
Baud Rate Recovered Clocks
Common and Per-Channel, Serial and Paral-
lel Loopback Controls
Common Comma Detect Enable Inputs
Per-Channel Comma Detect Outputs
Cable Equalization in Receivers
Automatic Lock-to-Reference
3.3V Power Supply, 2.67 W Max Power
Dissipation
208-Pin, 23mm BGA Packaging
Rx+
Rx-
Q D
Serial to
Parallel
Clock
Recovery
÷
10
Comma
Detect
Rx(0:9)
Clock
Multiply
Unit
x10/x20
Parallel
to Serial
Tx+
Tx-
10
10
Q D
Q
D
D Q
D Q
1
0
RCx1
RCx0
SYNCx
ENCDET
PLUP
SLPN
LPNx
Tx(0:9)
REFT
REF+
REF-
RFCM
LTCN
TBCx
RFCO0
RFCO1
4
4
1
0
Loopback
Control
4
RCM
÷
20
10/
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相關(guān)代理商/技術(shù)參數(shù) |
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