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USB334X 数据表(PDF) 19 Page - Microchip Technology

部件名 USB334X
功能描述  Enhanced Single Supply Hi-Speed USB ULPI Transceiver
PDF  92 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

USB334X 数据表(HTML) 19 Page - Microchip Technology

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 2009-2018 Microchip Technology Inc.
DS00002646A-page 19
USB334x
Note 4-5
The resistor value follows the 27% Resistor ECN published by the USB-IF.
Note 4-6
The values shown are valid when the USB RegOutput bits in the USB IO & Power Management
register are set to the default value.
Note 4-7
An automatic waiver up to 200mV is granted to accommodate system-level elements such as
measurement/test fixtures, captive cables, EMI components, and ESD suppression. This parameter
can be tuned using VariSense technology, as defined in Section 7.1.3.1, "HS Compensation
Register," on page 72 of Section 7.0, ULPI Register Map.
4.6
Dynamic Characteristics: Analog I/O Pins
High Speed High Level
Output Voltage (DP/DM
referenced to GND)
VHSOH
45Ω load
360
440
mV
High Speed IDLE Level
Output Voltage (DP/DM
referenced to GND)
VOLHS
45Ω load
-10
10
mV
Chirp-J Output Voltage
(Differential)
VCHIRPJ
HS termination resistor
disabled, pull-up resistor
connected. 45Ω load.
700
1100
mV
Chirp-K Output Voltage
(Differential)
VCHIRPK
HS termination resistor
disabled, pull-up resistor
connected. 45Ω load.
-900
-500
mV
Leakage Current
OFF-State Leakage Current
ILZ
±10
uA
Port Capacitance
Transceiver Input
Capacitance
CIN
Pin to GND
5
10
pF
TABLE 4-7:
DYNAMIC CHARACTERISTICS: ANALOG I/O PINS (DP/DM)
Parameter
Symbol
Conditions
MIN
TYP
MAX
Units
FS Output Driver Timing
FS Rise Time
TFR
CL = 50pF; 10 to 90% of
|VOH - VOL|
420
ns
FS Fall Time
TFF
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
Differential Rise/Fall Time
Matching
TFRFM
Excluding the first
transition from IDLE state
90
111.1
%
LS Output Driver Timing
LS Rise Time
TLR
CL = 50-600pF;
10 to 90% of
|VOH - VOL|
75
300
ns
TABLE 4-6:
DC CHARACTERISTICS: ANALOG I/O PINS (DP/DM) (CONTINUED)
Parameter
Symbol
Conditions
MIN
TYP
MAX
Units



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