STM32L010K4 datasheet(66/91 Pages) STMICROELECTRONICS

66 / 91 page

Electrical characteristics

STM32L010F4/K4

66/91

DS12323 Rev 3

6.3.13

I/O port characteristics

General input/output characteristics

Unless otherwise specified, the parameters given in Table 48 are derived from tests

performed under the conditions summarized in Table 15. All I/Os are CMOS and TTL

compliant.

Table 47. I/O current injection susceptibility

Symbol

Description

Functional susceptibility

Unit

Negative

injection

Positive

injection

IINJ

Injected current on BOOT0

–0

NA(1)

1. Current injection is not possible.

Injected current on PA0, PA4, PA5,

PA11, PA12, PC15, PH0 and PH1

–5

Injected current on all FT pins

–5(2)

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

negative currents.

NA(1)

Injected current on any other pin

–5(2)

Table 48. I/O static characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VIL

Input low level voltage

TC, FT, RST I/Os

0.3VDD

BOOT0 pin

0.14VDD(1)

VIH

Input high level voltage

All I/Os except

BOOT0 pin

0.7 VDD

Vhys

I/O Schmitt trigger

voltage hysteresis (2)

Standard I/Os

10% VDD

(3)

BOOT0 pin

0.01

Ilkg

Input leakage current

(4)

VSS ≤ VIN ≤ VDD

All I/Os except

PA11, PA12 and

BOOT0 pins

±50

VSS ≤ VIN ≤ VDD

PA11, PA12 pins

–50/+250

VDD ≤ VIN ≤ 5 V All

I/Os except PA11,

PA12 and BOOT0

pins

200

VDD ≤ VIN ≤ 5V

PA11, PA12 and

BOOT0 pins

µA

RPU

Weak pull-up

equivalent resistor(5)

VIN = VSS

kΩ

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