IMX8QXPIEC datasheet(39/132 Pages) NXP

39 / 132 page

Electrical characteristics

i.MX 8QuadXPlus and 8DualXPlus Industrial Applications Processors, Rev. 0, 05/2020

NXP Semiconductors

Low-level output voltage1,2

VOL

IOL= 0.1mA

DSE = 000 or 001

—OVDD

× 0.2

IOL= 2mA

DSE = 010 or 011

IOL= 4mA

DSE = 100 to 110

High-Level input voltage2,3

VIH

—0.65

× OVDD

OVDD

Low-Level input voltage2,3

VIL

—

0.35

× OVDD

Pull-up resistance

RPU

Vin=0V (Pullup Resistor)

PUN = "L", PDN = "H"

Pull-down resistance

Rdown

Vin=OVDD( Pulldown Resistor)

PUN = "H", PDN = "L"

Input current (no PU/PD)

IIN

VI = 0, VI = OVDD

PUN = "H", PDN = "H"

-5

μA

Keeper Circuit Resistance

R_Keeper

VI =.3xOVDD, VI = .7x OVDD

PUN = "L", PDN = "L"

1 As programmed in the associated IOMUX (DSE field) register.

2 Overshoot and undershoot conditions (transitions above OVDD and below GND) on switching pads must be held below 0.3

V, and the duration of the overshoot/undershoot must not exceed 10% of the system clock cycle. Overshoot/ undershoot must

be controlled through printed circuit board layout, transmission line impedance matching, signal line termination, or other

methods. Noncompliance to this specification may affect device reliability or cause permanent damage to the device. (OVDD

is the IO supply.)

3 To maintain a valid level, the transition edge of the input must sustain a constant slew rate (monotonic) from the current DC

level through to the target DC level, VIL or VIH. Monotonic input transition time is from 0.1 ns to 1 ns.

Table 34. Single-voltage 3.3 V GPIO DC parameters

Parameter

Symbol

Test Conditions

Min

Max

Units

High-level output voltage1,2

VOH

IOH = -0.1mA

DSE = 00 or 01

0.8

× OVDD

—

IOH= -2mA

DSE = 10 or 11

Low-level output voltage1,2

VOL

IOL=0.1mA

DSE = 00 or 01

—0.2

× OVDD

IOL = 2mA

DSE = 10 or 11

High-Level input voltage2,3

VIH

—0.75

× OVDD

OVDD

Low-Level input voltage2,3

VIL

—0

0.25

× OVDD

Pull-upresistance

RPU

Vin=0 V (Pullup Resistor)

PUN = "L", PDN = "H"

Table 33. Single-voltage 1.8 V GPIO DC parameters (continued)

Parameter

Symbol

Test Conditions

Min

Max

Units

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