LAN9730 Datasheet, PDF (199/222 Pages) SMSC Corporation – High-Speed Inter-Chip (HSIC) USB 2.0

LAN9730/LAN9730i
7.4 DC Specifications
TABLE 7-11: I/O BUFFER CHARACTERISTICS
Parameter
IS Type Input Buffer
Symbol
Min.
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
O8 Type Buffers
V_ILI
V_IHI
V_ILT
V_IHT
V_HYS
I_IH
C_IN
-0.3
1.01
1.39
336
-10
Low Output Level
High Output Level
OD8 Type Buffer
V_OL
V_OH
VDD33IO - 0.4
Low Output Level
V_OL
O12 Type Buffers
Low Output Level
High Output Level
OD12 Type Buffer
V_OL
V_OH
VDD33IO - 0.4
Low Output Level
V_OL
HSIC Type Buffers
Low Input Level
High Input Level
Low Output Level
High Output Level
I/O Pad Drive Strength
(50DRIVER_EN = VSS)
V_IL
V_IH
V_OL
V_OH
O_D
-0.3
0.65*VDD12A
0.75*VDD12A
38
I/O Pad Drive Strength
O_D
47.5
(50DRIVER_EN = +3.3V)
Input Leakage
I_IH
-10
(V_IN = VSS or VDD33IO)
Input Capacitance
C_IN
Typ.
1.19
1.59
399
40
50
Max.
3.6
1.39
1.8
485
10
3
0.4
0.4
0.4
0.4
0.35*VDD12A
VDD12A + 0.3
0.25*VDD12A
42
52.5
10
4
Unit
V
V
V
V
mV
µA
pF
V
V
V
V
V
V
V
V
V
V
Ohm
Ohm
µA
pF
Note
Schmitt trigger
Schmitt trigger
Note 7-5
I_OL = 8 mA
I_OH = -8 mA
I_OL = 8 mA
I_OL = 12 mA
I_OH = -12 mA
I_OL = 12 mA
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DS00001946A-page 199