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參數(shù)資料
| 型號(hào)： | VSC7123 |
| 廠商： | Vitesse Semiconductor Corporation. |
| 英文描述： | Rotary Switch; No. of Switch Positions:10; Circuitry:SPDT; Contact Current Max:1.5A; Indexing:30 ; Contact Rating:1.5A at 28VDC; Mounting Type:Panel; Number of Positions:10; Switch Features:30 degrees Indexing; Switch Function:SPDT |
| 中文描述： | 10位收發(fā)器，光纖通道和千兆以太網(wǎng) |
| 文件頁數(shù)： | 1/18頁 |
| 文件大?。?/td> | 208K |
| 代理商： | VSC7123 |
V
ELOCITY
TM
VITESSE
VSC7123
10-Bit Transceiver for Fibre
Channel and Gigabit Ethernet
Data Sheet
G52212-0, Rev 4.3
03/25//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
General Description
The VSC7123 is a full-speed Fibre Channel and Gigabit Ethernet Transceiver with industry-standard
pinouts. The VSC7123 accepts 10-bit 8B/10B encoded transmit data, latches it on the rising edge of REFCLK
and serializes the data onto the TX PECL differential outputs at a baud rate which is 10 times the REFCLK
frequency. Serial data input on the RX PECL differential inputs is resampled by the Clock Recovery Unit
(CRU) and deserialized onto the 10-bit receive data bus synchronously to complementary divide-by-twenty
clocks. The VSC7123 receiver detects “Comma” characters for frame alignment. An analog/digital signal
detection circuit indicates that a valid signal is present on the RX input. A cable equalizer compensates for
InterSymbol Interference (ISI) in order to increase maximum cable distances. The VSC7123 is a higher
performance, lower cost replacement for the VSC7125 and VSC7135.
VSC7123 Block Diagram
802.3z Gigabit Ethernet-Compliant
1.25 Gb/s Transceiver
ANSI X3T11 Fibre Channel-Compliant
1.0625 Gb/s Transceiver
0.98 to 1.36 Gb/s Full-Duplex Operation
10-Bit TTL Interface for Transmit and
Receive Data
Automatic Lock-to-Reference
RX Cable Equalization
Analog/Digital Signal Detection
JTAG Access Port for Testability
Single +3.3V Supply, 650mW Typical
Packages: 64-Pin 10mm and 14mm PQFP and
10mm TQFP
RX+
RX-
Q D
Serial to
Parallel
Clock
Recovery
÷
10
Comma
Detect
R(0:9)
COMDET
ENCDET
EWRAP
SIGDET
T(0:9)
x10 Clock
Multiply
Parallel
to Serial
TX+
TX-
÷
20
RCLK
RCLKN
10
10
2:1
REFCLK
Signal
Detect
Q D
Q
D
D Q
D Q
NOT SHOWN: JTAG Boundary Scan
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| VSC7123RD | 10-Bit Transceiver for Fibre Channel and Gigabit Ethernet |
| VSC7123QU | Development kit; Kit Contents:Evaluation Board; For Use With:CS4955A; Leaded Process Compatible:No; Peak Reflow Compatible (260 C):No RoHS Compliant: No |
| VSC7124 | Rotary Switch; No. of Switch Positions:4; Circuitry:DPDT; Contact Current Max:1.5A; Indexing:30 ; Contact Rating:1.5A at 28VDC; Mounting Type:Panel; Number of Positions:4; Switch Features:30 degrees Indexing; Switch Function:DPDT |
| VSC7124QM | Quad Port Bypass Circuit |
| VSC7125 | Rotary Switch; Contact Current Max:1.5A; No. of Poles:4; No. of Switch Positions:11; Indexing:30 ; No. of Decks:4; Switch Terminals:Solder Lug; Circuitry:SPDT; Mounting Type:Panel; Switch Features:30 degrees Indexing RoHS Compliant: Yes |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| VSC7123QN | 制造商:VITE 功能描述: |
| VSC7123QN/C | 制造商:Vitesse Semiconductor Corporation 功能描述: |
| VSC7123QU | 制造商:VITESSE 制造商全稱:Vitesse Semiconductor Corporation 功能描述:10-Bit Transceiver for Fibre Channel and Gigabit Ethernet |
| VSC7123RD | 制造商:Vitesse Semiconductor Corporation 功能描述: |
| VSC7123RD2 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecomm/Datacomm |
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