Advanced I/O Controller with Motherboard GLUE Logic
Datasheet
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
COMMENTS
ISOD8 Input/Output Buffer
Low Input Level
High Input Level
Schmitt Trigger Hystersis
Low Output Level
High Output Level
IPDO8 Input Buffer
Low Input Level
High Input Level
Pull-Down
VIL
VIH
0.8
5.5
V
V
Schmitt Trigger
Schmitt Trigger
2.2
VHYS
VOL
VOH
250
mV
V
0.4
IOL = 8mA
Vcc+10%
V
Open-Drain,
Vcc = 5V Max
VIL
VIH
0.8
5.5
V
V
TTL Levels
TTL Levels
2.0
PD
VOL
VOH
30
uA
V
Low Output Level
0.4
I
I
OL = 8mA
High Output Level
Vcc+10%
V
OH = -4mA
IO12 Input/Output Buffer
Low Input Level
High Input Level
Low Output Level
VIL
VIH
0.8
5.5
0.4
V
V
V
V
TTL Levels
TTL Levels
2.0
2.4
VOL
VOH
I
I
OL = 12mA
OH = -6mA
High Output Level
IOP14 Input/Output Buffer
Low Input Level
High Input Level
Low Output Level
High Output Level
VIL
VIH
0.8
5.5
0.4
V
V
V
V
TTL Levels
TTL Levels
2.0
2.4
VOL
VOH
I
OL = 14mA
OH = -14mA
I
IO_SW Input/Output
Special Type
Pins of this type are connected in pairs through a switch. The switch provides a 25
ohm (max) resistance to ground when closed. See SMBus Isolation Circuitry and
Voltage Translation Circuit sections for a description.
Note: Vcc=5V max.
SMSC LPC47M182
195
Revision 1.8 SMSC/Non-SMSC Register Sets (02-24-05)
DATASHEET
SMSC [ SMSC CORPORATION ]
