S32K310 datasheet(72/137 Pages) NXP

72 / 137 page

6. I/O timing specifications are valid for the un-terminated transmission line reference load given in the figure below. A

lumped 8pF load is assumed at the end of a 5 inch microstrip trace on standard FR4 with approximately 1.5pF/inch (25pF

total with margin). For signals with frequency greater than 63MHz, a maximum 2 inch PCB trace is assumed.

7. To determine total switching current on any I/O supply, current values per output pin should not be incrementally summed.

I/O interfaces on the device are asynchronous to each other, so not all switching occurs at the same instant. Actual use

case must be considered.

RDSON

RPCB = RDSON

PCB

External

device

MCUsee note 1

RDSON

5 in.

(4 layer FR4)

CPCB = ~1.5 pF/inch * 5 inch = ~7.5 pF

CL = 8 pF

1. See IBIS models for further details.

Notes:

Figure 28. Reference Load Diagram

7.2 GPIO DC electrical specifications, 5.0V (4.5V - 5.5V)

The leakage current on the GPIO pins is specified as a function of the pad type (Standard, Standard Plus, Medium, Fast, or GPI)

and the number of Analog functions (CMP and ADC channels) multiplexed per pin.

For S32K388, see the ILKG column in the Pinout section of the IOMUX file attached to the Reference Manual.

For other devices, the "Analog Function Count" is defined from the number of CMP and ADC channels multiplexed to a given

pin. This information can be obtained from the "Direct Signals" column in the IOMUX files attached to the Reference Manual. The

"Analog Function Count" is shown in the Condition column of the following table.

Table 22. GPIO DC electrical specifications, 5.0V (4.5V - 5.5V)

Symbol

Description

Min

Typ

Max

Unit

Condition

Spec

Number

VIH

Input high level DC

voltage threshold

0.65 x

VDD_HV

_A/B

—

VDD_HV

_A/B +

0.3

VDD_HV_A/B = 5.0V

—

VIL

Input low level DC

voltage threshold

VSS - 0.3 —

0.35 x

VDD_HV

_A/B

VDD_HV_A/B = 5.0V

—

WFRST

RESET Input filtered

pulse width 1

—

WNFRST

RESET Input not

filtered pulse width 2

100

—

ILKG_50_S0

5.0V input leakage

current for Standard

GPIO 3

-250

—

800

Pins with Analog

Function Count = 0

—

ILKG_50_S1

5.0V input leakage

current for Standard

GPIO 3

-1300

—

1100

Pins with Analog

Function Count = 1

—

Table continues on the next page...

NXP Semiconductors

I/O parameters

S32K3xx Data Sheet, Rev. 5.2, 10/2022

Data Sheet: Technical Data

Preliminary Information

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