Datasheet

Highly Integrated Full Featured Hi-Speed USB 2.0 ULPI Transceiver
Datasheet
SMSC USB3320 17 Revision 1.0 (07-14-09)
DATASHEET
4.4 Digital IO Pins
4.5 DC Characteristics: Analog I/O Pins
Table 4.4 Digital IO Characteristics: RESETB, CLKOUT, STP, DIR, NXT, DATA[7:0] & REFCLK Pins
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Low-Level Input Voltage V
IL
V
SS
0.4 *
V
DDIO
V
High-Level Input Voltage V
IH
0.68 *
V
DDIO
V
DDIO
V
High-Level Input Voltage
REFCLK only
V
IH
0.68 *
V
DD18
V
DD33
V
Low-Level Output Voltage V
OL
I
OL
= 8mA 0.4 V
High-Level Output Voltage V
OH
I
OH
= -8mA V
DDIO
-
0.4
V
High-Level Output Voltage
CPEN Only
V
OH
I
OH
= -8mA V
DD33
- 0.4
V
Input Leakage Current I
LI
V
DD33
- 0.4
±10 uA
Pin Capacitance Cpin 4 pF
STP pull-up resistance R
STP
InterfaceProtectDisable = 0 55 67 77 kΩ
DATA[7:0] pull-dn
resistance
R
DATA_PD
ULPI Synchronous Mode 55 67 77 kΩ
CLKOUT External Drive V
IH_ED
At start-up or following reset 0.4 *
V
DDIO
V
Table 4.5 DC Characteristics: Analog I/O Pins (DP/DM)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
LS/FS FUNCTIONALITY
Input levels
Differential Receiver Input
Sensitivity
V
DIFS
| V(DP) - V(DM) | 0.2 V
Differential Receiver
Common-Mode Voltage
V
CMFS
0.8 2.5 V
Single-Ended Receiver Low
Level Input Voltage
V
ILSE
Note 4.6 0.8 V
Single-Ended Receiver High
Level Input Voltage
V
IHSE
Note 4.6 2.0 V
Single-Ended Receiver
Hysteresis
V
HYSSE
0.050 0.150 V
Output Levels
Low Level Output Voltage V
FSOL
Pull-up resistor on DP;
R
L
= 1.5kΩ to V
DD33
0.3 V