Product specifications
VT8235 V-Link South Bridge
Revision 1.22 October 24, 2002 -138- Electrical Specifications
Power Requirements
T
C
= 0 - 85°C
V
CC
= V
SUS25
= V
SUSUSB
= V
SUSMII
= V
CCVK
= V
CCPLL
= V
CCUPLL
= V
CCRAM
= 2.5V ±5%,
V
CC33
= V
SUS33
= V
CCUSB
= V
CCMII
= 3.3V ±5%, V
BAT
= 3.3V +0.3 / –0.9V, V
PDVREF
= V
SDVREF
= V
VLVREF
= 0.9V ±5%, GND = 0V
Symbol Parameter Typ Max Unit Condition
I
CC
Power Supply Current – Core (3.3V) mA At max operating frequency
I
CC33
Power Supply Current – I/O (3.3V) mA At max operating frequency
I
SUS33
Power Supply Current – Suspend (3.3V) mA At max operating frequency
I
SUS25
Power Supply Current – Suspend (2.5V) mA At max operating frequency
I
SUSUSB
Power Supply Current – Suspend USB (2.5V) mA At max operating frequency
I
SUSMII
Power Supply Current – Suspend LAN (2.5V) mA At max operating frequency
I
CCUSB
Power Supply Current – USB (3.3V) mA At max operating frequency
I
CCUPLL
Power Supply Current – USB PLL (2.5V) mA At max operating frequency
I
CCPLL
Power Supply Current – PLL (2.5V) mA At max operating frequency
I
CCVK
Power Supply Current – V-Link (2.5V) mA At max operating frequency
I
CCMII
Power Supply Current – LAN (3.3V) mA At max operating frequency
I
CCRAM
Power Supply Current – RAM (2.5V) mA At max operating frequency
I
VLVREF
Power Supply Current – V-Link Reference (0.9V)
uA
At max operating frequency
I
PDVREF
Power Supply Current – Primary IDE Reference
uA
At max operating frequency
I
SDVREF
Power Supply Current – Secondary IDE Reference
uA
At max operating frequency
I
BAT
Power Supply Current – RTC Battery (3.3V) 5
uA
At max operating frequency
P
D
Power Dissipation 2.5 W At max operating frequency