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參數(shù)資料
| 型號： | VSC7126 |
| 廠商： | VITESSE SEMICONDUCTOR CORP |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | 1.0625 Gbits/sec Fibre Channel Transceiver |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PQFP80 |
| 封裝： | 14 X 14 MM, PLASTIC, QFP-80 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大小： | 223K |
| 代理商： | VSC7126 |
VITESSE
SEMICONDUCTOR CORPORATION
741 Calle Plano, Camarillo, CA 93012 805/388-3700 FAX: 805/987-5896
Page 1
3/4/99
VITESSE
Datasheet
VSC7126
1.0625 Gbits/sec Fibre
Channel Transceiver
G52148-0, Rev. 4.3
Features
ANSI X3T11 Fibre Channel Compatible 1.0625
Gbps Full-duplex Transceiver
General Description
The VSC7126 is a full-speed Fibre Channel Transceiver optimized for Host Adapter and other space- con-
strained applications. It accepts two 10-bit 8B/10B encoded transmit characters, latches them on the rising edge
of TBC and serializes the data onto the TX+/- PECL differential outputs at a baud rate which is twenty times the
TBC frequency. It also samples serial receive data on the RX+/- PECL differential inputs, recovers the clock
and data, deserializes it onto two 10-bit receive characters, outputs a recovered clocks at one twentieth of the
incoming baud rate and detects Fibre Channel “Comma” characters. The VSC7126 contains on-chip PLL cir-
cuitry for synthesis of the baud-rate transmit clock, and extraction of the clock from the received serial stream.
These circuits are fully monolithic and require no external components.
VSC7126 Block Diagram
GLM Compatible (FCSI-301-Rev 1.0)
20 Bit TTL Interface For Transmit And Receive Data
Monolithic Clock Synthesis And Clock Recovery -
No External Components
53.125 MHz TTL Reference Clock
Automatic Lock-to-Reference Function
Suitable For Both Copper And Fiber
Optical Link Applications
Low Power Operation - 850 mW
80 Pin, 14x14 mm PQFP
Single +3.3V Power Supply
RX+
RX-
Q D
Serial to
Parallel
Clock
Recovery
Retimed
Data
Recovered
Clock
Comma
Detect
Q D
R0:19
Frame
Logic
COM_DET
EN_CDET
T0:19
PLL Clock
Multiply (x20)
D Q
Parallel
to Serial
Serial Data
Synthesized
Clock
D Q
TX+
TX-
EWRAP
÷
20
RBC(0)
RBC(1)
20
20
TBC
2:1
TXEN#
L_UNUSE
53.125 MHz
53.125 MHz
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相關(guān)代理商/技術(shù)參數(shù) |
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