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USB334X Datasheet(PDF) 17 Page - Microchip Technology

Part # USB334X
Description  Enhanced Single Supply Hi-Speed USB ULPI Transceiver
PDF  92 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

USB334X Datasheet(HTML) 17 Page - Microchip Technology

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 2009-2018 Microchip Technology Inc.
DS00002646A-page 17
USB334x
Note 4-4
REFCLK does not need to be aligned in any way to the ULPI signals.
4.4
Digital IO Pins
Note:
CLoad = 10pF
TABLE 4-5:
DIGITAL IO CHARACTERISTICS: RESETB, STP, DIR, NXT, DATA[7:0], AND REFCLK
PINS
Parameter
Symbol
Conditions
MIN
TYP
MAX
Units
Low-Level Input Voltage
(USB3341, USB3346, and
USB3347)
VIL
VSS
0.4 *
VDD18
V
Low-Level Input Voltage
(USB3343)
VIL
VSS
0.8
V
High-Level Input Voltage
(USB3341, USB3346, and
USB3347)
VIH
0.68 *
VDD18
VDD18
V
High-Level Input Voltage
(USB3343)
VIH
0.68 *
VDDIO
VDDIO
V
High-Level Input Voltage
REFCLK and RESETB
(USB3341, USB3346, and
USB3347)
VIH_REF
0.68 *
VDD18
VDD33
V
High-Level Input Voltage
REFCLK and RESETB
(USB3343)
VIH_REF
0.68 *
VDDIO
VDD33
V
Low-Level Output Voltage
VOL
IOL = 8mA
0.4
V
High-Level Output Voltage
(USB3341, USB3346, and
USB3347)
VOH
IOH = -8mA
VDD18
- 0.4
V
High-Level Output Voltage
(USB3343)
VOH
IOH = -8mA
VDDIO-
0.4
V
Output rise time
TIORISE
CLOAD = 10pF
1.19
nS
Output fall time
TIOFALL
CLOAD = 10pF
1.56
nS
Input Leakage Current
ILI
±10
uA
Pin Capacitance
Cpin
4
pF
STP pull-up resistance
RSTP
InterfaceProtectDisable =
0
55
67
80
kΩ
DATA[7:0] pull-down
resistance
RDATA_PD
ULPI Synchronous Mode
55
67
77
kΩ
CLKOUT
External
Drive
(USB3341, USB3346, and
USB3347)
VIH_ED
At start-up or following
reset
0.4 *
VDD18
V
CLKOUT
External
Drive
(USB3343)
VIH_ED
At start-up or following
reset
0.4 *
VDDIO
V



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