VSC8601 Datasheet
Electrical Specifications
Table 58.
Current Consumption: 100BASE-TX, Regulator Disabled (continued)
Parameter
Symbol
IVDDREG
Typical
< 1
55
Unit
mA
mA
mA
mA
mA
mA
mA
mW
mW
Current with VDDREG
Current with VDD12 at 1.2 V
Current with VDD12A at 1.2 V
Current with VDDIOMAC at 3.3 V
Current with VDDIOMAC at 2.5 V
Current with VDDIOMICRO at 3.3 V
Current with VDDIOMICRO at 2.5 V
Total power at 3.3 V
IVDD12
IVDD12A
24
IVDDIOMAC
IVDDIOMAC
IVDDIOMICRO
IVDDIOMICRO
5
3
< 1
< 1
422
413
Total power at 2.5 V
5.2.3
Consumption with 10BASE-T Link
The following table shows the current consumption values with a 10BASE-T link and the
on-chip switching regulator enabled.
Table 59.
Current Consumption: 10BASE-T, Regulator Enabled
Parameter
Symbol
IVDD33
Typical
155
19
Unit
mA
mA
mA
mA
mA
mA
mW
mW
Current with VDD33 at 3.3 V
Current with VDDREG
IVDDREG
Current with VDDIOMAC at 3.3 V
Current with VDDIOMAC at 2.5 V
Current with VDDIOMICRO at 3.3 V
Current with VDDIOMICRO at 2.5 V
Total power at 3.3 V
IVDDIOMAC
IVDDIOMAC
IVDDIOMICRO
IVDDIOMICRO
< 1
< 1
< 1
< 1
573
573
Total power at 2.5 V
The following table shows the current consumption values with a 10BASE-T link and the
on-chip switching regulator disabled.
Table 60.
Current Consumption: 10BASE-T, Regulator Disabled
Parameter
Symbol
IVDD33
Typical
155
< 1
24
Unit
mA
mA
mA
mA
mA
mA
mA
mA
mW
mW
Current with VDD33 at 3.3 V
Current with VDDREG
IVDDREG
Current with VDD12 at 1.2 V
Current with VDD12A at 1.2 V
Current with VDDIOMAC at 3.3 V
Current with VDDIOMAC at 2.5 V
Current with VDDIOMICRO at 3.3 V
Current with VDDIOMICRO at 2.5 V
Total power at 3.3 V
IVDD12
IVDD12A
18
IVDDIOMAC
IVDDIOMAC
IVDDIOMICRO
IVDDIOMICRO
< 1
< 1
< 1
< 1
562
562
Total power at 2.5 V
Revision 4.1
September 2009
Page 72
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
