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VSC8658 데이터시트(PDF) 73 Page - Microsemi Corporation

부품명 VSC8658
상세설명  Octal 10/100/1000BASE-T PHY and 100BASEFX/1000BASE-X SerDes
PDF  95 Pages
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제조업체  MICROSEMI [Microsemi Corporation]
홈페이지  http://www.microsemi.com
Logo MICROSEMI - Microsemi Corporation

VSC8658 데이터시트(HTML) 73 Page - Microsemi Corporation

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Electrical Specifications
VMDS-10242 VSC8658 Datasheet Revision 4.1
65
6.2
Current Consumption
There are three sets of current consumption values:
•
Typical current consumption
•
Current consumption in SerDes/SGMII to 1000BASE-X mode
•
Current consumption in SerDes/SGMII to 100BASE-FX mode or SerDes pass-through mode
The typical current consumption values are based on nominal voltages with all ports operating at
1000BASE-T speeds with full-duplex enabled and a 64-bit random data pattern at 100% utilization.
If all eight ports are running in SerDes/SGMII to 1000BASE-X mode, the current consumption values are
shown in the following table.
If all eight ports are running in SerDes/SGMII to 100BASE-FX mode or SerDes pass-through mode, the
current consumption values are as shown in the following table.
Table 70 •
Typical Current Consumption
Parameter
Symbol Typical
Maximum
Unit
Worst-case power consumption
PD
5.91
W
Current with VDDIO at 1.8 V
IVDDIO
1mA
Current with VDDIO at 2.5 V
IVDDIO
1mA
Current with VDDIO at 3.3 V
IVDDIO
1mA
Current with VDD33 at 3.3 V
IVDD33
852
mA
Current with VDD12 at 1.2 V
IVDD12
1488
mA
Current with VDD12A at 1.2 V
IVDD12A 490
mA
Table 71 •
Current Consumption in SerDes/SGMII to 1000BASE-X Mode
Parameter
Symbol Typical
Maximum
Unit
Worst-case power consumption
PD
1.05
W
Current with VDDIO at 1.8 V
IVDDIO
1mA
Current with VDDIO at 2.5 V
IVDDIO
1mA
Current with VDDIO at 3.3 V
IVDDIO
1mA
Current with VDD33 at 3.3 V
IVDD33
68.6
mA
Current with VDD12 at 1.2 V
IVDD12
134.2
mA
Current with VDD12A at 1.2V
IVDD12A 448.6
mA
Table 72 •
Consumption in SerDes/SGMII to 100BASE-FX or SerDes Pass-Through Mode
Parameter
Symbol Typical
Maximum
Unit
Worst-case power consumption
PD
1.09
W
Current with VDDIO at 1.8 V
IVDDIO
1mA
Current with VDDIO at 2.5 V
IVDDIO
1mA
Current with VDDIO at 3.3 V
IVDDIO
1mA
Current with VDD33
IVDD33
64
mA
Current with VDD12
IVDD12
146
mA
Current with VDD12A
IVDD12A 444
mA



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