Small Footprint RMII 10/100 Ethernet Transceiver with HP Auto-MDIX Support
Datasheet
Table 7.4 Power Consumption Device Only (REF_CLK IN MODE)
VDDA3.3
POWER
PINS(MA)
VDDCR
POWER
PIN(MA)
VDDIO
POWER
PIN(MA)
TOTAL
CURRENT
(MA)
TOTAL
POWER
(MW)
POWER PIN GROUP
Max
Typical
Min
27.1
25.7
22.4
20.4
18.5
17.4
0.6
0.5
0.3
48.1
44.7
40.1
158.7
147.5
100BASE-T /W TRAFFIC
95.3
Note 7.1
Max
Typical
Min
9.7
8.9
8.3
13
0.6
0.5
0.3
23.3
21.2
19.7
76.9
70
11.8
11.1
10BASE-T /W TRAFFIC
41.3
Note 7.1
Max
Typical
Min
4.2
4.1
3.9
3
0.2
0.2
0
7.4
6.2
5.8
24.4
20.4
ENERGY DETECT POWER
DOWN
1.9
1.9
15.2
Note 7.1
Max
Typical
Min
0.4
0.3
0.3
2.8
1.8
1.7
0.2
0.2
0
3.4
2.3
2
11.2
7.6
GENERAL POWER DOWN
3
Note 7.1
Note: The current at VDDCR is either supplied by the internal regulator from current entering at
VDD2A, or from an external 1.2V supply when the internal regulator is disabled.
Note 7.1 This is calculated with full flexPWR features activated: VDDIO = 1.8V and internal regulator
disabled.
Note 7.2 Current measurements do not include power applied to the magnetics or the optional
external LEDs.
7.1.3.2
Power Consumption Device Only 50MHz REF_CLK OUT Mode
Power measurements taken over the operating conditions specified. See Section 5.3.5 for a description
of the power down modes. For more information on 50MHz REF_CLK OUT mode, see Section 4.7.2
.
Table 7.5 Power Consumption Device Only (50MHz REF_CLK OUT MODE)
VDDA3.3
POWER
PINS(MA)
VDDCR
POWER
PIN(MA)
VDDIO
POWER
PIN(MA)
TOTAL
CURRENT
(MA)
TOTAL
POWER
(MW)
POWER PIN GROUP
Max
Typical
Min
27.7
25.8
21.2
20
6.3
5.8
2.9
54
178.2
164
18.1
14.1
49.7
38.2
100BASE-T /W TRAFFIC
92.1
Note 7.3
Revision 1.0 (05-28-09)
SMSC LAN8720/LAN8720i
DATA6S8HEET
SMSC [ SMSC CORPORATION ]
