Networking Silicon — 82540EP

Table 5. Power Specifications - D3cold

 

 

 

D3cold - wake-up enabled

 

D3cold - wake

D3cold - wake

 

 

 

 

disabled - max

disabled - max

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

power savings

power savings

 

unplugged/no link

 

@10 Mbps

@100Mbps

mode disabled

mode enableda

 

 

 

 

 

 

 

 

 

 

 

 

 

TypIcc

MaxIcc

 

Typ Icc

Max Icc

Typ Icc

MaxIcc

Typ Icc

MaxIcc

Typ Icc

MaxIcc

 

(mA)

(mA)

 

(mA)

(mA)

(mA)

(mA)

(mA)

(mA)

(mA)

(mA)

 

 

 

 

 

 

 

 

 

 

 

 

3.3V

40

40

 

55

55

50

50

40

40

6

8

 

 

 

 

 

 

 

 

 

 

 

 

2.5V

20

20

 

30

30

55

55

20

20

0.1

0.1

 

 

 

 

 

 

 

 

 

 

 

 

1.5V

40

40

 

30

35

55

60

10

10

1

1

 

 

 

 

 

 

 

 

 

 

 

 

Total

 

 

 

 

 

 

 

 

 

 

 

Device

240 mW

 

 

300 mW

 

385 mW

 

195 mW

 

20 mW

 

Power

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

a.Special Note: To obtain the benefit of max power savings mode, do not use the internal voltage regulator control circuit and external pass transis- tors. Use external switching regulators for highest efficiency.

Table 6. Power Specifications D(r) Uninitialized

 

D(r) Uninitialized

 

(LAN_PWR_GOOD=0)

 

 

 

 

Typ Icc

Max Icc

 

(mA)

(mA)

 

 

 

3.3V

40

45

 

 

 

2.5V

40

45

 

 

 

1.5V

190

200

 

 

 

Total Device

520 mW

 

Power

 

 

 

 

 

 

Table 7. Power Specifications - Complete Subsystem

Complete Subsystem (Reference Design)

Including Magnetics, LED, Regulator Circuits

D3cold - wake

 

 

 

 

 

 

D3cold - wake

disabled - max

D3cold wake-

D3cold wake-

D0 @1000Mbps

disabled - max

power savings

enabled @10Mbps

enabled @100Mbps

 

active

power savings

mode disabled

 

 

 

 

 

 

mode enabled

 

 

 

 

 

 

 

 

 

 

TypIcc

MaxIcc

Typ Icc

MaxIcc

Typ Icc

MaxIcc

Typ

Max Icc

TypIcc

Max Icc

Icc

(mA)

(mA)

(mA)

(mA)

(mA)

(mA)

(mA)

(mA)

(mA)

(mA)

 

 

 

 

 

 

 

 

 

3.3V

40

40

60

60

60

60

130

130

6

8

Datasheet

19

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Intel 82540EP Power Specifications D3cold, Power Specifications Dr Uninitialized, Power Specifications Complete Subsystem