USB3250 Datasheet, PDF (12/46 Pages) Microchip Technology – Hi-Speed USB Device Transceiver with UTMI Interface

USB3250
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
Differential Receiver Common-
Mode Voltage
Single-Ended Receiver Low
Level Input Voltage
Single-Ended Receiver High
Level Input Voltage
Single-Ended Receiver
Hysteresis
V_DIFS
V_CMFS
V_ILSE
V_IHSE
V_HYSSE
| V(DP) - V(DM) |
0.2
0.8
2.0
0.050
V
2.5
V
0.8
V
V
0.150
V
OUTPUT LEVELS
Low Level Output Voltage
High Level Output Voltage
TERMINATION
V_FSOL
Pull-up resistor on DP;
R_L = 1.5k to V_DD3.3
V_FSOH Pull-down resistor on DP, 2.8
DM;
R_L = 15k to GND
0.3
V
3.6
V
Driver Output Impedance for
Z_HSDRV Steady state drive (See 40.5
45
49.5

HS and FS
Figure 6-1)
Input Impedance
Pull-up Resistor Impedance
Termination Voltage For Pull-
up Resistor On Pin DP
Z_INP
Z_PU
V_TERM
TX, RPU disabled
10
1.425
3.0
M
1.575 K
3.6
V
HS FUNCTIONALITY
INPUT LEVELS
HS Differential Input Sensitivity V_DIHS | V(DP) - V(DM) |
100
HS Data Signaling Common
V_CMHS
-50
Mode Voltage Range
HS Squelch Detection
Threshold (Differential)
V_HSSQ
Squelch Threshold
Unsquelch Threshold
150
mV
500
mV
100
mV
mV
OUTPUT LEVELS
High Speed Low Level Output
V_HSOL 45 load
-10
10
mV
Voltage (DP/DM referenced to
GND)
High Speed High Level Output V_HSOH 45 load
360
440
mV
Voltage (DP/DM referenced to
GND)
High Speed IDLE Level Output V_OLHS 45 load
-10
10
mV
Voltage (DP/DM referenced to
GND)
Chirp-J Output Voltage
(Differential)
V_CHIRPJ HS termination resistor
700
disabled, pull-up resistor
connected. 45load.
1100
mV
Chirp-K Output Voltage
(Differential)
V_CHIRPK
HS termination resistor
disabled, pull-up resistor
connected. 45load.
-900
-500
mV
(V_DD1.8 =1.6 to 2.0V; V_DD3.3 =3.0 to 3.6V; V_SS = 0V; T_A = -40 ^oC to +85^oC; unless otherwise specified.)
DS00002142A-page 12
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