Product specifications

VT8235 V-Link South Bridge
Revision 1.22 October 24, 2002 -136- Electrical Specifications
ELECTRICAL SPECIFICATIONS
Absolute Maximum Ratings
Symbol Parameter Min Max Unit Comment
T
S
Storage Temperature –55 125 ºC
T
C
Case Operating Temperature 0 85 ºC
V
CC
Core Voltage –0.5 2.625 Volts 2.5V (VT8235L is 3.3V Core)
V
SUS25
Suspend Voltage – 2.5V –0.5 V
CC
+ 0.3 Volts 2.5V
V
SUSUSB
Suspend Voltage – USB –0.5 V
CC
+ 0.3 Volts 2.5V
V
SUSMII
Suspend Voltage – LAN –0.5 V
CC
+ 0.3 Volts 2.5V
V
CCVK
V-Link Voltage –0.5 V
CC
+ 0.3 Volts 2.5V
V
CCPLL
PLL Voltage –0.5 V
CC
+ 0.3 Volts 2.5V
V
CCUPLL
USB PLL Voltage –0.5 V
CC
+ 0.3 Volts 2.5V
V
CCRAM
RAM Voltage –0.5 V
CC
+ 0.3 Volts 2.5V
V
CC33
I/O Voltage –0.5 3.6 Volts 3.3V
V
SUS33
Suspend Voltage – 3.3V –0.5 V
CC33
+ 0.3 Volts 3.3V
V
CCUSB
USB Voltage –0.5 V
CC33
+ 0.3 Volts 3.3V
V
CCMII
LAN Voltage –0.5 V
CC33
+ 0.3 Volts 3.3V
V
BAT
Battery Voltage V
CC33
– 0.9 V
CC33
+ 0.3 Volts 3.3V
V
VLVREF
Reference Voltage – V-Link –0.5 V
CCVK
* 0.38 Volts 0.9V
V
PDVREF
Reference Voltage – Primary IDE –0.5 Volts
V
SDVREF
Reference Voltage – Secondary IDE –0.5 Volts
Input voltage (3.3V only inputs) –0.5 V
CC33
+ 0.3 Volts
FERR#, USBCLK, PWRBTN#,
EXTSMI#, BATLOW#,
SMBCK1-2, SMBDT1-2
Note: Stress above the conditions listed may cause permanent damage to the device.
Functional operation of this device should be restricted to the conditions described under operating conditions.
DC Characteristics
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 Min Max Unit Condition
V
IL
Input low voltage –0.5 0.8 V
V
IH
Input high voltage 2.0 V
CC33
+ 0.3 V
V
OL
Output low voltage – 0.45 V I
OL
= 4.0mA
V
OH
Output high voltage 2.4 – V I
OH
= –1.0mA
I
IL
Input leakage current –
±10
uA 0 < V
IN
< V
CC33
I
OZ
Tristate leakage current –
±20
uA 0.45 < V
OUT
< V
CC33