Small Footprint Hi-Speed USB 2.0 Device PHY with UTMI Interface
Datasheet
Revision 1.5 (11-02-07)
14
SMSC USB3290
DATASHEET
Table 6.3 DC Electrical Characteristics: Analog I/O Pins (DP/DM) (
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP MAX
UNITS
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
0.8
V
Single-Ended Receiver High
Level Input Voltage
V
IHSE
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
= 1.5k
Ω
to V
DD3.3
0.3
V
High Level Output Voltage
V
FSOH
Pull-down resistor on DP,
DM;
R
L
= 15k
Ω
to GND
2.8
3.6
V
Termination
Driver Output Impedance for
HS and FS
Z
HSDRV
Steady state drive
(See
)
40.5
45
49.5
Ω
Input Impedance
Z
INP
TX, RPU disabled
10
M
Ω
Pull-up Resistor Impedance
Z
PU
Bus Idle
0.900
1.24
1.575
k
Ω
Pull-up Resistor Impedance
Z
PURX
Device Receiving
1.425
2.26
3.09
k
Ω
Termination Voltage For Pull-
up
Resistor On Pin DP
V
TERM
3.0
3.6
V
HS FUNCTIONALITY
Input levels
HS Differential Input Sensitivity
V
DIHS
| V(DP) - V(DM) |
100
mV
HS Data Signaling Common
Mode Voltage Range
V
CMHS
-50
500
mV
HS Squelch Detection
Threshold (Differential)
V
HSSQ
Squelch Threshold
100
mV
Unsquelch Threshold
150
mV
Output Levels
High Speed Low Level
Output Voltage (DP/DM
referenced to GND)
V
HSOL
45
Ω
load
-10
10
mV