Datasheet

 2016-2017 Microchip Technology Inc. DS00002117F-page 54
KSZ9031RNX
Note 6-1 Equivalent to current draw through external transformer center taps for PHY transceivers with current-
mode transmit drivers.
3.3V for Digital I/O
(RGMII operating @ 3.3V)
I
DVDDH_3.3
—19.5—
mA
1000BASE-T link-up (no traffic)
—41.5—
1000BASE-T full-duplex @
100% utilization
— 13.9 — 100BASE-TX link-up (no traffic)
—17.2—
100BASE-TX full-duplex @
100% utilization
— 11.5 — 10BASE-T link-up (no traffic)
—13.7—
10BASE-T full-duplex @
100% utilization
—9.3—
Software power-down mode
(Reg. 0.11 = 1)
—2.2—
Chip power-down mode
(strap-in pins MODE[3:0] = 0111)
TABLE 6-2: SUPPLY CURRENT - TRANSCEIVER (Note 6-1)
Parameters Symbol Min. Typ. Max. Units Note
2.5V for Transceiver
(Recommended for
commercial temperature
range operation only)
I
AVDDH_2.5
—58.8—
mA
1000BASE-T link-up (no traffic)
—57.9—
1000BASE-T full-duplex @
100% utilization
— 24.9 — 100BASE-TX link-up (no traffic)
—24.9—
100BASE-TX full-duplex @
100% utilization
— 11.5 — 10BASE-T link-up (no traffic)
—25.3—
10BASE-T full-duplex @
100% utilization
—3.1—
Software power-down mode
(Reg. 0.11 = 1)
—0.02—
Chip power-down mode
(strap-in pins MODE[3:0] = 0111)
3.3V for Transceiver
Parameter
I
AVDDH_3.3
—67.4—
mA
1000BASE-T link-up (no traffic)
—66.3—
1000BASE-T full-duplex @
100% utilization
— 28.7 — 100BASE-TX link-up (no traffic)
—28.6—
100BASE-TX full-duplex @
100% utilization
— 15.9 — 10BASE-T link-up (no traffic)
—28.6—
10BASE-T full-duplex @
100% utilization
—4.2—
Software power-down mode
(Reg. 0.11 = 1)
—0.02—
Chip power-down mode
(strap-in pins MODE[3:0] = 0111)
TABLE 6-1: SUPPLY CURRENT - CORE/DIGITAL I/O (CONTINUED)
Parameters Symbol Min. Typ. Max. Units Note