Filter
Top Products
4-Port USB 2.0 Hub Controller
Datasheet
Revision 1.63 (03-30-07) Page 12 SMSC USB20H04
DATASHEET
Chapter 5 Limiting Values
Table 5.1 - Absolute Maximum Ratings (In accordance with the Absolute Maximum Rating system (IEC 60134)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
1.8V Supply Voltage
(VDD1.8 and VDDA1.8)
VDD1.8
-0.5
2.5 V
3.3V Supply Voltage
(VDD3.3 and VDDA3.3)
VDD3.3
-0.5
4.0 V
Voltage on any I/O pin
-0.3
5.5 V
Voltage on XTAL1/CLKIN and
XTAL2
-0.3
3.6 V
Storage Temperature TSTG
-40
+125 oC
Table 5.2 - Recommended Operating Conditions
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
1.8V Supply Voltage
(VDD1.8 and VDDA1.8)
V
DD1.8
1.74 1.8 2.0 V
3.3V Supply Voltage
(VDD3.3 and VDDA3.3)
V
DD3.3
3.0 3.3 3.6 V
Input Voltage on Digital Pins V
I
0.0 V
DD3.3
V
Input Voltage on Analog I/O
Pins (DP, DM)
V
I(I/O)
0.0 V
DD3.3
V
Ambient Temperature T
A
0 +70
o
C
Table 5.3 - Recommended Crystal/External Clock Conditions
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Crystal Frequency 24
(+/- 100ppm)
MHz
External Clock Frequency 24
(+/- 100ppm)
MHz
External Clock Duty Cycle 45 50 55 %
External Clock RMS Jitter
XTAL1/CLKIN driven by the
external clock; no connection
at XTAL2; and CLKIN_EN is
high
100 ps