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USB3280 Datasheet(PDF) 12 Page - Microchip Technology

Part # USB3280
Description  Hi-Speed USB Device PHY with UTMI Interface
PDF  44 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

USB3280 Datasheet(HTML) 12 Page - Microchip Technology

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USB3280
DS00001898A-page 12
 2004 - 2015 Microchip Technology Inc.
Note 6-3
VDD3.3 = 3.0 to 3.6V; VSS = 0V; TA = -40oC to 85oC; unless otherwise specified.
High Level Output Voltage
VFSOH
Pull-down resistor on DP,
DM;
RL = 15kΩ to GND
2.8
3.6
V
Termination
Driver Output Impedance for
HS and FS
ZHSDRV
Steady state drive
(See Figure 6-1)
40.5
45
49.5
Ω
Input Impedance
ZINP
TX, RPU disabled
10
M
Ω
Pull-up Resistor Impedance
ZPU
Bus Idle
0.900
1.24
1.575
kΩ
Pull-up Resistor Impedance
ZPURX
Device Receiving
1.425
2.26
3.09
kΩ
Termination Voltage For Pull-up
Resistor On Pin DP
VTERM
3.0
3.6
V
HS FUNCTIONALITY
Input levels
HS Differential Input Sensitivity
VDIHS
| V(DP) - V(DM) |
100
mV
HS Data Signaling Common
Mode Voltage Range
VCMHS
-50
500
mV
HS Squelch Detection Threshold
(Differential)
VHSSQ
Squelch Threshold
100
mV
Unsquelch Threshold
150
mV
Output Levels
High Speed Low Level
Output Voltage (DP/DM
referenced to GND)
VHSOL
45
Ω load
-10
10
mV
High Speed High Level
Output Voltage (DP/DM
referenced to GND)
VHSOH
45
Ω load
360
440
mV
High Speed IDLE Level
Output Voltage (DP/DM
referenced to GND)
VOLHS
45
Ω load
-10
10
mV
Chirp-J Output Voltage
(Differential)
VCHIRPJ
HS termination resistor
disabled, pull-up resistor
connected. 45
Ω load.
700
1100
mV
Chirp-K Output Voltage
(Differential)
VCHIRPK
HS termination resistor
disabled, pull-up resistor
connected. 45
Ω load.
-900
-500
mV
Leakage Current
OFF-State Leakage Current
ILZ
± 1
uA
Port Capacitance
Transceiver Input Capacitance
CIN
Pin to GND
5
10
pF
TABLE 6-4:
DYNAMIC CHARACTERISTICS: ANALOG I/O PINS (DP/DM) (
Note 6-4)
Parameter
Symbol
Conditions
MIN
TYP
MAX
Units
FS Output Driver Timing
Rise Time
TFSR
CL = 50pF; 10 to 90% of
|VOH - VOL|
420
ns
Fall Time
TFFF
CL = 50pF; 10 to 90% of
|VOH - VOL|
420
ns
Output Signal Crossover
Voltage
VCRS
Excluding the first
transition from IDLE state
1.3
2.0
V
TABLE 6-3:
DC ELECTRICAL CHARACTERISTICS: ANALOG I/O PINS (DP/DM) (
Note 6-3)
Parameter
Symbol
Conditions
MIN
TYP
MAX
Units



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