20H04 Datasheet, PDF (17/38 Pages) SMSC Corporation – 4-PORT USB2.0 HUB CONTROLLER

4-Port USB2.0 Controller
Datasheet
PARAMETER
I, IPD, IPU Input Buffer
Low Input Level
High Input Level
Low Input Leakage
High Input Leakage
ICLK Input Buffer
Low Input Level
High Input Level
Hysteresis
O8 and IO8 Buffer
Low Output Level
High Output Level
Output Leakage
OD8 and IOD8 Buffer
Low Output Level
Output Leakage
IOSD12 Buffer
Low Output Level
Output Leakage
SYMBOL
V_ILI
V_IHI
I_IL
I_IH
V_ILCK
V_IHCK
V_HYSC
COMMENTS
MIN
TTL Levels
TTL Levels
2.0
V_IN = 0
-10
V_IN = V_DD3.3
-10
TTL Levels
TTL Levels
2.0
50
V_OL
I_OL = 8 mA @ V_DD3.3 = 3.3V
V_OH
I_OH = -4mA @ V_DD3.3 = 3.3V 2.4
I_OL
V_IN = 0 to V_DD3.3
-10
(Note 6.1)
V_OL
I_OL = 8 mA @ V_DD3.3 = 3.3V
I_OL
V_IN = 0 to V_DD3.3
-10
(Note 6.1)
V_OL
I_OL = 12 mA @ V_DD3.3 = 3.3V
V_IN = 0 to V_DD3.3
I_OL
(Note 6.1)
-10
Hysteresis
V_HYSI
250
Note 6.1 - Output Leakage is measured with the current pins in high impedance.
TYP
300
MAX UNITS
0.8
V
V
+10
uA
+10
uA
0.8
V
V
100 mV
0.8
V
V
+10
uA
0.8
V
+10
uA
0.8
V
+10
uA
350 mV
PARAMETER
Clock Input Capacitance
Input Capacitance
Output Capacitance
Table 6.3 - Pin Capacitance
SYMBOL
CONDITIONS
MIN
C_CLKIN
C_IN
C_OUT
All pins – except DPx/DMx pins
All pins – except DPx/DMx pins
TYP
MAX
12
8
12
UNITS
pF
pF
pF
SMSC USB20H04
Page 17
DATASHEET
Revision 1.63 (10-14-04)