STM32F398VE datasheet(113/151 Pages) STMICROELECTRONICS

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STM32F398VE

Electrical characteristics

142

6.3.14

I/O port characteristics

General input/output characteristics

Unless otherwise specified, the parameters given in Table 62 are derived from tests

performed under the conditions summarized in Table 18. All I/Os are CMOS and TTL

compliant.

Table 62. I/O static characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VIL

Low level input

voltage

TC and TTa I/O

0.3 VDD+0.07 (1)

FT and FTf I/O

0.475 VDD-0.2 (1)

BOOT0

0.3 VDD–0.3 (1)

All I/Os except BOOT0

0.3 VDD (2)

VIH

High level input

voltage

TC and TTa I/O

0.445 VDD+0.398 (1)

FT and FTf I/O

0.5 VDD+0.2 (1)

NPOR I/O input high-level

voltage

0.2 VDDA+0.2

BOOT0

0.2 VDD+0.95 (1)

All I/Os except BOOT0

0.7 VDD (2)

Vhys

Schmitt trigger

hysteresis

TC and TTa I/O

200 (1)

FT, FTf I/O and NPOR pin

100 (1)

BOOT0

300 (1)

Ilkg

Input leakage

current (3)

TC, FT and FTf I/O

TTa I/O in digital mode

VSS VIN VDD

±0.1

µA

TTa I/O in digital mode

VDD VIN VDDA

TTa I/O in analog mode

VSS VIN VDDA

±0.2

FT and FTf I/O(4)

VDD VIN 5 V

POR

VDDA VIN 5 V

RPU

Weak pull-up

equivalent resistor(5)

VIN VSS



RPD

Weak pull-down

equivalent resistor(5)

VIN VDD



CIO

I/O pin capacitance

1. Data based on design simulation.

2. Tested in production.

3. Leakage could be higher than the maximum value. if negative current is injected on adjacent pins. Refer to Table 61: I/O

current injection susceptibility

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