Datasheet

Hi-Speed USB 2.0 to 10/100/1000 Ethernet Controller
Datasheet
SMSC LAN7500/LAN7500i 45 Revision 1.0 (11-01-10)
DATASHEET
7.4 DC Specifications
Table 7.11 I/O Buffer Characteristics
PARAMETER SYMBOL MIN
2.5V
TYP
3.3V
TYP MAX UNITS NOTES
VIS Type Input Buffer
Low Input Level
High Input Level
Negative-Going Threshold
Positive-Going Threshold
SchmittTrigger Hysteresis
(V
IHT
- V
ILT
)
Input Leakage
(V
IN
= VSS or VDDVARIO)
Input Capacitance
V
ILI
V
IHI
V
ILT
V
IHT
V
HYS
I
IH
C
IN
-0.3
0.64
0.81
102
-10
1.15
1.29
136
1.41
1.65
138
3.6
1.76
1.90
288
10
3
V
V
V
V
mV
uA
pF
Schmitt trigger
Schmitt trigger
Note 7.5
IS_5V Type Input Buffer
Low Input Level
High Input Level
Negative-Going Threshold
Positive-Going Threshold
SchmittTrigger Hysteresis
(V
IHT
- V
ILT
)
Input Leakage
(V
IN
= VSS or VDDVARIO)
Input Leakage
(V
IN
= 5.5V)
Input Capacitance
V
ILI
V
IHI
V
ILT
V
IHT
V
HYS
I
IH
I
IH
C
IN
-0.3
1.01
1.39
336
-10
N/A
N/A
N/A
N/A
N/A
1.19
1.59
399
5.5
1.39
1.79
459
10
35
3
V
V
V
V
mV
uA
uA
pF
Schmitt trigger
Schmitt trigger
Note 7.5
Note 7.5, Note 7.6
VO6 Type Buffers
Low Output Level
High Output Level
V
OL
V
OH
VDDVARIO
- 0.4
0.4 V
V
I
OL
= 6mA
I
OH
= -6mA
VOD6 Type Buffer
Low Output Level V
OL
0.4 V I
OL
= 6mA
VO8 Type Buffers
Low Output Level
High Output Level
V
OL
V
OH
VDDVARIO
- 0.4
0.4 V
V
I
OL
= 8mA
I
OH
= -8mA
VOD8 Type Buffer
Low Output Level V
OL
0.4 V I
OL
= 8mA
ICLK Type Buffer (XI Input)
Low Input Level
High Input Level
V
ILI
V
IHI
-0.3
1.4
0.5
3.6
V
V
Note 7.7