STM32F303C6 datasheet(75/115 Pages) STMICROELECTRONICS

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STM32F303x6/x8

Electrical characteristics

100

Note:

It is recommended to add a Schottky diode (pin to ground) to analog pins which may

potentially inject negative currents.

6.3.14

I/O port characteristics

General input/output characteristics

Unless otherwise specified, the parameters given in Table 52 are derived from tests

performed under the conditions summarized in Table 20. All I/Os are CMOS and TTL

compliant.

IINJ

Injected current on PB0, PB1, PB2, PB12, PB13,

PB14, PB15 with induced leakage current on other

pins from this group less than -50 µA

– 5

Injected current on PC0, PC1, PC2, PC3, PA0, PA1,

PA2, PA3, PA4, PA5, PA6, PA7, PC4, PC5, PB2,

PB0, PB1, PB12, PB13, PB14, PB15 with induced

leakage current on other pins from this group less

than 400 µA

-+5

Injected current on any other FT and FTf pins

– 5

Injected current on any other pins

– 5

Table 51. I/O current injection susceptibility (continued)

Symbol

Description

Functional susceptibility

Unit

Negative

injection

Positive

injection

Table 52. I/O static characteristics

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

VIL

Low-level input

voltage

TT, 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

TTa and TT I/O

0.445 VDD+0.398 (1)

FT and FTf I/O

0.5 VDD+0.2 (1)

BOOT0

0.2 VDD+0.95 (1)

All I/Os except BOOT0

0.7 VDD (2)

Vhys

Schmitt trigger

hysteresis

TT, TC and TTa I/O

200 (1)

FT and FTf I/O

100 (1)

BOOT0

300 (1)

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