USB 2.0 Hi-Speed Hub Controller
Datasheet
Voltage
VDD33
tRT
3.3 V
100%
90%
10%
VSS
t90%
Time
t10%
Figure 9.1 Supply Rise Time Model
Table 9.1 DC Electrical Characteristics
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
COMMENTS
I, IS Type Input Buffer
Low Input Level
VILI
VIHI
IIL
0.8
V
V
TTL Levels
High Input Level
2.0
-10
250
Input Leakage
+10
350
μA
mV
VIN = 0 to VDD33
Hysteresis (‘IS’ Only)
VHYSI
Input Buffer with Pull-Up (IPU)
Low Input Level
VILI
VIHI
IILL
0.8
V
V
TTL Levels
High Input Level
2.0
+35
-10
Low Input Leakage
High Input Leakage
+90
+10
μA
μA
VIN = 0
IIHL
VIN = VDD33
Input Buffer with Pull-Down (IPD)
Low Input Level
VILI
VIHI
IILL
0.8
V
V
TTL Levels
High Input Level
2.0
+10
-35
Low Input Leakage
-10
-90
μA
μA
VIN = 0
High Input Leakage
IIHL
VIN = VDD33
ICLK Input Buffer
Low Input Level
High Input Level
Input Leakage
VILCK
VIHCK
IIL
0.5
V
V
1.4
-10
+10
μA
VIN = 0 to VDD33
SMSC USB251x
61
Revision 1.0 (3-11-09)
DATASHEET
SMSC [ SMSC CORPORATION ]
