High Performance Single-Chip 10/100 Non-PCI Ethernet Controller
Datasheet
7.4
DC Electrical Specifications
Table 7.3 I/O Buffer Characteristics
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
I Type Input Buffer
Low Input Level
V
-0.3
0.8
V
V
ILI
High Input Level
V
2.0
5.5
IHI
IS Type Input Buffer
Negative-Going Threshold
Positive-Going Threshold
Schmitt Trigger Hysteresis
V
1.05
1.3
1.26
1.53
264
1.47
1.71
300
V
V
Schmitt Trigger
Schmitt Trigger
ILT
V
IHT
V
198
mV
HYS
(V
V
)
IHT - ILT
O12 Type Buffer
Low Output Level
High Output Level
OD12 Type Buffer
Low Output Level
IO8 Type Buffer
Low Input Level
High Input Level
Low Output Level
High Output Level
OD8 Type Buffer
Low Output Level
O8 Type Buffer
V
0.4
0.4
V
V
I
= 12mA
= -12mA
OL
OL
V
VDD - 0.4
I
OH
OH
V
V
I
= 12mA
OL
OL
V
-0.3
2.0
0.4
0.8
5.5
V
V
V
V
ILI
IHI
OL
OH
V
V
I
= 8mA
OL
V
VDD - 0.4
I
= -8mA
OH
V
V
0.4
0.4
V
I
= 8mA
OL
OL
OL
Low Output Level
High Output Level
V
V
I
= 8mA
OL
V
VDD - 0.4
0.5
I
= -8mA
OH
OH
I
Input Buffer
CLK
Low Input Level
High Input Level
V
V
V
ILCK
V
1.4
IHCK
Revision 1.1 (05-17-05)
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