SMSC USB2250 User Manual
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller
Datasheet
Revision 1.1 (05-29-08)
30
SMSC USB2250/50i/51/51i
DATASHEET
7.3
DC Electrical Characteristics
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
COMMENTS
I, IPU, IPD Type Input Buffer
Low Input Level
High Input Level
Pull Down
Pull Up
V
ILI
V
IHI
PD
PU
2.0
72
58
0.8
V
V
μA
μA
TTL Levels
IS Type Input Buffer
Low Input Level
High Input Level
Hysteresis
V
ILI
V
IHI
V
HYSI
2.0
420
0.8
V
V
mV
TTL Levels
ICLK Input Buffer
Low Input Level
High Input Level
Input Leakage
V
ILCK
V
IHCK
I
IL
1.4
-10
0.5
+10
V
V
μA
V
IN
= 0 to V
DD33
Input Leakage
(All I and IS buffers)
Low Input Leakage
High Input Leakage
I
IL
I
IH
-10
-10
+10
+10
μA
μA
V
IN
= 0
V
IN
= V
DD33
O12 Type Buffer
Low Output Level
High Output Level
Output Leakage
V
OL
V
OH
I
OL
V
DD33
- 0.4
-10
0.4
+10
V
V
μA
I
OL
= 12mA @
V
DD33
= 3.3V
I
OH
= -12mA @
V
DD33
= 3.3V
V
IN
= 0 to V
DD33