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參數(shù)資料
| 型號(hào)： | VSC830 |
| 廠商： | Vitesse Semiconductor Corporation. |
| 英文描述： | 2.7Gb/s Asynchronous Dual 2x2 Crosspoint Switch |
| 中文描述： | 2.7Gb / s的異步雙2x2交叉點(diǎn)開(kāi)關(guān) |
| 文件頁(yè)數(shù)： | 4/18頁(yè) |
| 文件大?。?/td> | 195K |
| 代理商： | VSC830 |
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VITESSE
Data Sheet
VSC830
Dual 2x2 Crosspoint Switch
2.7Gb/s Asynchronous
Page 4
G52192-0, Rev 4.0
05/23/01
VITESSE
SEMICONDUCTOR CORPORATION
741 Calle Plano
Camarillo, CA 93012
Tel: (800) VITESSE
FAX: (805) 987-5896
Email: prodinfo@vitesse.com
Internet: www.vitesse.com
Power-Down
Power to each output stage is provided through V
CC
, V
CCP
, and V
EE
. V
CC
is common to all outputs. To
power off unused outputs, tie the respective V
EE
and V
CCP
pin to V
CC
, as shown in Figure 2.
Figure 2: Power-Down Mode Example
Minimum power configuration requires output channel 1A active, so power must be applied to V
CCP
1A
and V
EE
1A at all times.
Programmable input termination
Across each differential input (from the + input to the - input) of the VSC830 is a switched 100
termina-
tion resistor. Using the TERM_ENABLE pin, the termination can be optionally disabled. To enable the input
termination, connect the respective TERM_ENABLE pin to V
CC
. To disable the internal termination, connect
TERM_ENABLE to V
EE
. If unconnected, the TERM_ENABLE pin will self-bias to V
EE
and disable the inter-
nal termination. Independent termination controls are provided for the
“
A
”
and
“
B
”
switches.
V
CCP
1A
V
EE
1A
V
CCP
2A
V
EE
2A
V
CCP
1B
V
EE
1B
V
CCP
2B
V
EE
2B
V
CC
“
OFF
”
“
OFF
”
“
ON
”
“
ON
”
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