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參數(shù)資料
| 型號： | VSC8140 |
| 廠商： | Vitesse Semiconductor Corporation. |
| 英文描述： | 2.48832Gb/s 16:1 SONET/SDH Transceiver with Integrated Clock Generator |
| 中文描述： | 2.48832Gb /秒16:1的SONET集成時鐘發(fā)生器/ SDH的收發(fā)器 |
| 文件頁數(shù)： | 8/34頁 |
| 文件大?。?/td> | 528K |
| 代理商： | VSC8140 |
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VITESSE
Data Sheet
VSC8140
2.48832Gb/s 16:1 SONET/SDH
Transceiver with Integrated Clock Generator
Page 8
VITESSE
SEMICONDUCTOR CORPORATION
741 Calle Plano, Camarillo, CA 93012 805/388-3700 FAX: 805/987-5896
9/6/00
G52251-0, Rev. 4.0
Figure 11: Equipment Loopback Data Path
Figure 12: Split Loopback Datapaths
Split Loopback
Equipment and Facility Loopback modes can be enabled simultaneously. In this case, high-speed serial data
received (RXIN) and clock (RXCLKIN) are muxed through to the high-speed serial outputs (TXOUT and
TXCLKOUT). The low-speed 16-bit transmit stream (TXIN[15:0]) is muxed into the low-speed 16-bit receive
output stream (RXOUT[15:0]). See Figure 12.
Looptiming
LOOPTIM0 mode bypasses the PLL when LOOPTIM0 is asserted high. In this mode, the PLL is bypassed
using the receive high-speed clock (RXCLKIN), and the entire part is synchronously clocked from a single
external source.
RXCLK32O
RXCLKIN+
RXCLKIN-
TXOUT+
TXOUT-
Q D
EQULOOP
D Q
RXIN+
RXIN-
TXCLKOUT+
TXCLKOUT-
1
1
0
0
16:1 Parallel to
Serial
1:16 Serial to
Parallel
RXOUT[15:0]
RXCLK16O
TXCLK16O
TXIN[15:0]
TXCLK16I
2.48832GHz
PLL
RXCLK32O
EQULOOP
1
1
0
0
16:1 Parallel to
Serial
1:16 Serial to
Parallel
RXOUT[15:0]
RXCLK16O
TXCLK16O
TXIN[15:0]
TXCLK16I
2.48832GHz
PLL
RXCLKIN+
RXCLKIN-
TXOUT+
TXOUT-
Q D
FACLOOP
D Q
RXIN+
RXIN-
TXCLKOUT+
TXCLKOUT-
1
0
1
0
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| VSC8140QR | 制造商:VITESSE 制造商全稱:Vitesse Semiconductor Corporation 功能描述:2.48832Gb/s 16:1 SONET/SDH Transceiver with Integrated Clock Generator |
| VSC8140TW | 制造商:VITESSE 制造商全稱:Vitesse Semiconductor Corporation 功能描述:2.48832Gb/s 16:1 SONET/SDH Transceiver with Integrated Clock Generator |
| VSC8141 | 制造商:VITESSE 制造商全稱:Vitesse Semiconductor Corporation 功能描述:Multi-Rate 16:1 SONET/SDH Transceiver with Integrated Clock Generator |
| VSC8141QR | 制造商:VITESSE 制造商全稱:Vitesse Semiconductor Corporation 功能描述:Multi-Rate 16:1 SONET/SDH Transceiver with Integrated Clock Generator |
| VSC8141TW | 制造商:VITESSE 制造商全稱:Vitesse Semiconductor Corporation 功能描述:Multi-Rate 16:1 SONET/SDH Transceiver with Integrated Clock Generator |
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