USB 2.0 Hi-Speed Hub Controller
Datasheet
Voltage
VDD33
t
RT
3.3 V
100%
90%
VSS
10%
t
10%
t
90%
Time
Figure 9.1 Supply Rise Time Model
Table 9.1 DC Electrical Characteristics
PARAMETER
I, IS Type Input Buffer
Low Input Level
High Input Level
Input Leakage
Hysteresis (‘IS’ Only)
Input Buffer with Pull-Up (IPU)
Low Input Level
High Input Level
Low Input Leakage
High Input Leakage
Input Buffer with Pull-Down (IPD)
Low Input Level
High Input Level
Low Input Leakage
High Input Leakage
ICLK Input Buffer
Low Input Level
High Input Level
Input Leakage
V
ILCK
V
IHCK
I
IL
1.4
-10
+10
0.5
V
V
μA
V
IN
= 0 to
VDD33
V
ILI
V
IHI
I
ILL
I
IHL
2.0
+10
-35
-10
-90
0.8
V
V
μA
μA
V
IN
= 0
V
IN
=
VDD33
TTL Levels
V
ILI
V
IHI
I
ILL
I
IHL
2.0
+35
-10
+90
+10
0.8
V
V
μA
μA
V
IN
= 0
V
IN
=
VDD33
TTL Levels
V
ILI
V
IHI
I
IL
V
HYSI
2.0
-10
250
+10
350
0.8
V
V
μA
mV
V
IN
= 0 to
VDD33
TTL Levels
SYMBOL
MIN
TYP
MAX
UNITS
COMMENTS
SMSC USB251x
61
Revision 1.0 (3-11-09)
DATASHEET
SMSC [ SMSC CORPORATION ]
