20H04 Datasheet, PDF (15/38 Pages) SMSC Corporation – 4-PORT USB2.0 HUB CONTROLLER

4-Port USB2.0 Controller
Datasheet
Chapter 5
Limiting Values
Table 5.1 - Absolute Maximum Ratings (In accordance with the Absolute Maximum Rating system (IEC 60134)
PARAMETER
1.8V Supply Voltage
(VDD1.8 and VDDA1.8)
3.3V Supply Voltage
(VDD3.3 and VDDA3.3)
Voltage on any I/O pin
Voltage on XTAL1/CLKIN and
XTAL2
Storage Temperature
SYMBOL
VDD1.8
VDD3.3
TSTG
CONDITIONS
MIN
TYP
MAX UNITS
-0.5
2.5
V
-0.5
4.0
V
-0.3
5.5
V
-0.3
3.6
V
-40
+125 oC
Table 5.2 - Recommended Operating Conditions
PARAMETER
1.8V Supply Voltage
(VDD1.8 and VDDA1.8)
3.3V Supply Voltage
(VDD3.3 and VDDA3.3)
Input Voltage on Digital Pins
Input Voltage on Analog I/O
Pins (DP, DM)
Ambient Temperature
SYMBOL
V_DD1.8
V_DD3.3
V_I
V_I(I/O)
T_A
CONDITIONS
MIN
1.74
3.0
0.0
0.0
0
TYP
1.8
3.3
MAX UNITS
2.0
V
3.6
V
V_DD3.3
V
V_DD3.3
V
+70
o_C
Table 5.3 - Recommended Crystal/External Clock Conditions
PARAMETER
Crystal Frequency
External Clock Frequency
External Clock Duty Cycle
External Clock RMS Jitter
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
24
MHz
(+/- 100ppm)
24
MHz
XTAL1/CLKIN driven by the
(+/- 100ppm)
external clock; no connection 45
50
55 %
at XTAL2; and CLKIN_EN is
high
100 ps
SMSC USB20H04
Page 15
DATASHEET
Revision 1.63 (10-14-04)