USB3280 SMSC Corporation, USB3280 Datasheet - Page 14

• Manufacturer Part Number: USB3280
• Description: Hi-Speed USB Device PHY
• Manufacturer: SMSC Corporation

Revision 1.2 (10-27-06)
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
Termination
Driver Output Impedance for
HS and FS
Input Impedance
Pull-up Resistor Impedance
Pull-up Resistor Impedance
Termination Voltage For Pull-
up
Resistor On Pin DP
HS FUNCTIONALITY
Input levels
HS Differential Input Sensitivity
HS Data Signaling Common
Mode Voltage Range
HS Squelch Detection
Threshold (Differential)
Output Levels
High Speed Low Level
Output Voltage (DP/DM
referenced to GND)
PARAMETER
Table 6.3 DC Electrical Characteristics: Analog I/O Pins (DP/DM)
V
V
V
V
V
V
V
Z
Z
Z
Z
V
V
V
V
V
SYMBOL
HSDRV
INP
PU
PURX
DIFS
CMFS
ILSE
IHSE
HYSSE
FSOL
FSOH
TERM
DIHS
CMHS
HSSQ
HSOL
| V(DP) - V(DM) |
Pull-up resistor on DP;
R
Pull-down resistor on DP,
DM;
R
Steady state drive
(See
TX, RPU disabled
Bus Idle
Device Receiving
| V(DP) - V(DM) |
Squelch Threshold
Unsquelch Threshold
45Ω load
DATASHEET
L
L
= 1.5kΩ to V
= 15kΩ to GND
Figure
CONDITIONS
14
6.1)
DD3.3
Hi-Speed USB Device PHY with UTMI Interface
0.050
0.900
1.425
40.5
MIN
100
150
-50
-10
0.2
0.8
2.0
2.8
3.0
10
(Note
TYP
1.24
2.26
45
6.3)
0.150
1.575
MAX
49.5
3.09
500
100
2.5
0.8
0.3
3.6
3.6
10
SMSC USB3280
Datasheet
UNITS
MΩ
mV
mV
mV
mV
mV
kΩ
kΩ
Ω
V
V
V
V
V
V
V
V