USB3280 Datasheet, PDF (14/42 Pages) SMSC Corporation – Hi-Speed USB Device PHY with UTMI Interface

Hi-Speed USB Device PHY with UTMI Interface
Datasheet
Table 6.3 DC Electrical Characteristics: Analog I/O Pins (DP/DM) (Note 6.3)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
FS FUNCTIONALITY
Input levels
Differential Receiver Input
Sensitivity
Differential Receiver
Common-Mode Voltage
Single-Ended Receiver Low
Level Input Voltage
Single-Ended Receiver High
Level Input Voltage
Single-Ended Receiver
Hysteresis
Output Levels
Low Level Output Voltage
High Level Output Voltage
V_DIFS
V_CMFS
V_ILSE
V_IHSE
V_HYSSE
V_FSOL
V_FSOH
Termination
Driver Output Impedance for
HS and FS
Z_HSDRV
Input Impedance
Pull-up Resistor Impedance
Pull-up Resistor Impedance
Termination Voltage For Pull-
up
Resistor On Pin DP
Z_INP
Z_PU
Z_PURX
V_TERM
HS FUNCTIONALITY
Input levels
HS Differential Input Sensitivity
HS Data Signaling Common
Mode Voltage Range
V_DIHS
V_CMHS
HS Squelch Detection
Threshold (Differential)
V_HSSQ
Output Levels
High Speed Low Level
Output Voltage (DP/DM
referenced to GND)
V_HSOL
| V(DP) - V(DM) |
0.2
0.8
2.0
0.050
Pull-up resistor on DP;
R_L = 1.5kΩ to V_DD3.3
Pull-down resistor on DP, 2.8
DM;
R_L = 15kΩ to GND
Steady state drive
(See Figure 6.1)
TX, RPU disabled
Bus Idle
Device Receiving
40.5
10
0.900
1.425
3.0
| V(DP) - V(DM) |
100
-50
Squelch Threshold
Unsquelch Threshold
150
45Ω load
-10
45
1.24
2.26
V
2.5
V
0.8
V
V
0.150
V
0.3
V
3.6
V
49.5
Ω
MΩ
1.575 kΩ
3.09
kΩ
3.6
V
mV
500
mV
100
mV
mV
10
mV
Revision 1.2 (10-27-06)
14
DATASHEET
SMSC USB3280