AX88172A ASIX [ASIX Electronics Corporation], AX88172A Datasheet - Page 27

• Manufacturer Part Number: AX88172A
• Description: USB 2.0 to 10/100M Fast Ethernet Controller
• Manufacturer: ASIX [ASIX Electronics Corporation]

At power-up, the AX88772A/AX88172A requires the VCC3R3/VCC3IO/VCC3A3/VCC33A_H/ VCC33A_PLL power
supply to rise to nominal operating voltage within Trise3 and the V18F/VCCK/VCC18A power supply to rise to nominal
operating voltage within Trise2.
VCC3R3/VCC3IO/VCC3A3
/VCC33A_H/ VCC33A_PLL
9.3 Power-up Sequence
Symbol
T
V18F/VCCK/VCC18A
T
T
delay32
rise3
rise2
3.3V power supply rise time
1.8V power supply rise time
3.3V rise to 1.8V rise time delay
Parameter
Trise3
From 0V to 3.3V
From 0V to 1.8V
Trise2
USB 2.0 to 10/100M Fast Ethernet Controller
Condition
27
Tdelay32
Min
0.5
-5
-
ASIX ELECTRONICS CORPORATION
Typ
-
-
-
AX88772A/AX88172A
3.3V
0V
0V
1.8V
Max
10
10
5
Low-pin-count
Unit
ms
ms
ms