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參數(shù)資料
| 型號： | VSC835 |
| 廠商： | Vitesse Semiconductor Corporation. |
| 英文描述： | 34x34 Crosspoint Switch with Signal Detection |
| 中文描述： | 34x34交叉點(diǎn)開關(guān)信號檢測 |
| 文件頁數(shù)： | 2/18頁 |
| 文件大?。?/td> | 174K |
| 代理商： | VSC835 |
VITESSE
Datasheet
VSC835
2.5 Gbits/sec
34x34 Crosspoint Switch with Signal Detection
Page 2
VITESSE
SEMICONDUCTOR CORPORATION
741 Calle Plano, Camarillo, CA 93012 805/388-3700 FAX: 805/987-5896
7/24/00
G52270-0, Rev. 4.1
Figure 1: Detailed Block Diagram
Functional Description
Data Paths
All input data must be differential and biased to PECL levels. On-chip terminations are provided, with a
nominal impedance of 50 ohms. All input termination resistors are tied to V
TERM
.
Data outputs are provided through differential current switches with on-chip terminations that produce a
PECL level output swing. The drive level of the output circuit is designed to produce standard PECL levels
when terminated in 50 ohms to 2.0 volts. Other termination voltages are possible, such as to VCC or 1.3 volts,
but the voltage level of the output will be shifted from its nominal value. The common-mode voltage of the out-
put swing can be adjusted using the VCOM pins. The adjustment range is not calibrated, but typically allows for
+/- 200mV of adjustment in common-mode voltage. The VCOM pin self-biases to a nominal value when left
unconnected.
Output channels can be powered off in pairs if fewer than 34 outputs are required. By connecting the VEE
pin associated with a given pair of outputs to VCC, the output pairs will pull to VCC and chip power will be
reduced by approximately 300mW per pair.
A,AN[33:0]
Control interface
DATA[5:0], ADDR[5:0]
ALE, CSB, WRB, RDB
INTB, MONCLK, CONFIG
Y,YN[33:0]
34
L
m
34 x 34
switch core
Program memory
o
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| VSC838UG | 制造商:VITESSE 制造商全稱:Vitesse Semiconductor Corporation 功能描述:3.2Gb/s 36x37 Crosspoint Switch |
| VSC8476 | 制造商:VITESSE 制造商全稱:Vitesse Semiconductor Corporation 功能描述:XAUI to XFI 10GE & 10GFC Transceiver |
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