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Industrial Temperature Rated USB 2.0 Hi-Speed 2-Port Hub Controller
Datasheet
SMSC USB2512Ai 33 Revision 1.97 (08-11-08)
DATASHEET
5.2 Operating Conditions
PARAMETER SYMBOL MIN MAX UNITS COMMENTS
Operating
Temperature
T
A
-40 85 °C Ambient temperature in still air.
1.8V supply voltage V
DDA18PLL
V
DD18
1.62 1.98 V
3.3V supply voltage V
DDA33
V
DDA33PLL
V
DD33
V
DD33CR
3.0 3.6 V
3.3V supply rise time t
RT
0400μsSee Figure 5.1
Voltage on any I/O pin -0.3 5.5 V If any 3.3V supply voltage drops
below 3.0V, then the MAX
becomes:
(3.3V supply voltage) + 0.5
Voltage on XTAL1 -0.3 V
DDA33
V
Table 5.1 DC Electrical Characteristics
PARAMETER SYMBOL MIN TYP MAX UNITS COMMENTS
I, IS Type Input Buffer
Low Input Level
High Input Level
Input Leakage
Hysteresis (‘IS’ Only)
V
ILI
V
IHI
I
IL
V
HYSI
2.0
-10
250
0.8
+10
350
V
V
uA
mV
TTL Levels
V
IN
= 0 to V
DD33
Input Buffer with Pull-Up
(IPU)
Low Input Level
High Input Level
Low Input Leakage
High Input Leakage
V
ILI
V
IHI
I
ILL
I
IHL
2.0
+35
-10
0.8
+90
+10
V
V
uA
uA
TTL Levels
V
IN
= 0
V
IN
= V
DD33
Input Buffer with Pull-
Down (IPD)
Low Input Level
High Input Level
Low Input Leakage
High Input Leakage
V
ILI
V
IHI
I
ILL
I
IHL
2.0
+10
-35
0.8
-10
-90
V
V
uA
uA
TTL Levels
V
IN
= 0
V
IN
= V
DD33