AU9254_05 Datasheet, PDF (13/23 Pages) List of Unclassifed Manufacturers – USB Hub Controller

5.6 Crystal Oscillator Circuit Setup for
Characterization
The following setup was used to measure the open loop voltage gain for crystal
oscillator circuits. The feedback resistor serves to bias the circuit at its quiescent
operating point and the AC coupling capacitor, Cs, is much larger than C1 and C2.
Figure 5.1 Crystal Oscillator Circuit Setup for Characterization
5.7 USB Transceiver Characteristics
RECOMMENDED OPERATING CONDITIONS
Table 5.6 USB Transceiver Characteristics
SYMBOL
PARAMETER
CONDITIONS
LIMITS
MIN MAX
UNIT
V_CC
DC supply voltage
3.0
3.6
V
V_I
DC input voltage range
0
5.5
V
V_I/O
DC input range for I/Os
0
V_CC
V
V_O
DC output voltage range
T_AMB
Operating ambient temperature
range in free air
See DC and AC
characteristics for
individual device
0
V_CC
V
0
70
˚_C
AU9254 USB Hub Controller V1.02W
Official Release_ Public
Page 13 of 23