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參數(shù)資料
| 型號： | VSC7177 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Enhanced 2:1 Port Selector for Serial ATA and Serial Attached SCSI |
| 中文描述： | 增強(qiáng)型2:1端口選擇器，用于串行ATA和串行連接SCSI |
| 文件頁數(shù)： | 14/24頁 |
| 文件大?。?/td> | 253K |
| 代理商： | VSC7177 |
14 of 24
Revision 4.2
July 29, 2005
Confidential
VSC7177
Data Sheet
E
LECTRICAL
S
PECIFICATIONS
DC Characteristics
Specifications are guaranteed over the recommended operating conditions listed in
Table 15,
page 18.
Table 9. LVTTL Inputs and Outputs
Symbol
Parameter
Minimum
Typical
Maximum
Unit
Condition
V
OH
Output HIGH voltage
2.0
2.2
V
DD
V
I
OH
= –4 mA
V
OL
Output LOW voltage
0.0
0.2
0.4
V
I
OL
= 4 mA
V
IH
Input HIGH voltage
2.0
V
DD
V
V
IL
Input LOW voltage
0.0
0.8
V
I
I
Input current (includes a weak pull-up
resistor)
–200
+50
μ
A
0 V < V
IL
< 2.4 V
Table 10. High-Speed Inputs and Outputs
Symbol
Parameter
Minimum
Typical
Maximum
Unit
Condition
V
TH
Input threshold voltage for OOB detection
200
mV
See
Table 7
.
V
OCM
High-speed output common-mode voltage
2.0
V
Normal Swing mode.
100
termination
between true and
complement outputs.
1.7
V
High Swing mode.
100
termination
between true and
complement outputs.
V
ICM
High-speed input common-mode voltage
1.5
V
Z
IN
Differential input impedance
85
100
115
Table 11. Power Supply Requirements for Sideband Operating Mode
Symbol
Parameter
Minimum
Typical
Maximum
Unit
Condition
V
DD
Power supply voltage
3.0
3.3
3.6
V
±10% on all supplies
I
DD
Power supply current (total on all supply
pins)
150
170
mA
Normal Swing mode
200
235
mA
High Swing mode
P
D
Total power dissipation
540
625
mW
Normal Swing mode
720
850
mW
High Swing mode
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