S32K310 datasheet(62/136 Pages) NXP

62 / 136 page

Table 24. GPIO DC electrical specifications, 3.3V Range (2.97V - 3.63V) (continued)

Symbol

Description

Min

Typ

Max

Unit

Condition

Spec

Number

Standard Plus

GPIO 4,6

and external 10pF,

total 25pF load

FMAX_33_M

3.3V maximum

frequency for

Medium GPIO 4,6

—

MHz

2.9V - 3.6V, internal

5pF, PCB trace ~10pF

and external 10pF,

total 25pF load

—

FMAX_33_F

3.3V maximum

frequency for Fast

GPIO 4,6

—

120

MHz

2.9V - 3.6V, internal

5pF, PCB trace ~10pF

and external 10pF,

total 25pF load

—

IOHT

Output high current

total for all ports 7

—

100

—

1. Maximum length of RESET pulse will be filtered by an internal filter on this pin.

2. Minimum length of RESET pulse, guaranteed not to be filtered by the internal filter.

3. A positive value is leakage flowing into pin with pin at VDD_HV_A/B (the GPIO supply level); a negative value is leakage

flowing out the pin with the pin at ground.

4. GPIO output transition time information can be obtained from the device IBIS model. IBIS models are recommended for

system level simulations, as discrete values for I/O transition times are not representative of the I/O pad behavior when

connected to an actual transmission line load.

5. I/O output current specifications are valid for the given reference load figure, and the constraints given in the Operating

Conditions of this document.

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 30. 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.

NXP Semiconductors

I/O parameters

S32K3xx Data Sheet, Rev. 8, 06/2023

Data Sheet: Technical Data

Preliminary Information for S32K3x8

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