Datasheet

 2009-2016 Microchip Technology Inc. DS00002306A-page 41
LAN9514/LAN9514I
4.4 DC Specifications
TABLE 4-5: I/O BUFFER CHARACTERISTICS
Parameter Symbol Min Typ Max Units Notes
IS 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 VDD33IO)
Input Capacitance
V
ILI
V
IHI
V
ILT
V
IHT
V
HYS
I
IH
C
IN
-0.3
1.01
1.39
345
-10
1.18
1.6
420
3.6
1.35
1.8
485
10
2.5
V
V
V
V
mV
μA
pF
Schmitt trigger
Schmitt trigger
Note 4-6
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 VDD33IO)
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
345
-10
1.18
1.6
420
5.5
1.35
1.8
485
10
120
3.5
V
V
V
V
mV
μA
μA
pF
Schmitt trigger
Schmitt trigger
Note 4-6
Note 4-6, Note 4-7
O8 Type Buffers
Low Output Level
High Output Level
V
OL
V
OH
VDD33IO -
0.4
0.4 V
V
I
OL
= 8mA
I
OH
= -8mA
OD8 Type Buffer
Low Output Level V
OL
0.4 V I
OL
= 8mA
O12 Type Buffers
Low Output Level
High Output Level
V
OL
V
OH
VDD33IO -
0.4
0.4 V
V
I
OL
= 12mA
I
OH
= -12mA
OD12 Type Buffer
Low Output Level V
OL
0.4 V I
OL
= 12mA