STM32WB15CC datasheet(100/127 Pages) STMICROELECTRONICS

100 / 127 page

Electrical characteristics

STM32WB15CC

100/127

DS13258 Rev 4

Input/output AC characteristics

The definition and values of input/output AC characteristics are given in Table 66.

Unless otherwise specified, the parameters given are derived from tests performed under

the ambient temperature and supply voltage conditions summarized in Table 21: General

operating conditions.

Table 65. Output voltage characteristics(1)

1. The IIO current sourced or sunk by the device must always respect the absolute maximum rating specified

in Table 17: Voltage characteristics, and the sum of the currents sourced or sunk by all the I/Os (I/O ports

and control pins) must always respect the absolute maximum ratings Σ IIO.

Symbol

Parameter

Conditions

Min

Max

Unit

VOL(2)

2. Specified by design, not tested in production.

Output low level voltage for an I/O pin

CMOS port(3)



|IIO| = 8 mA

VDD ≥ 2.7 V

3. TTL and CMOS outputs are compatible with JEDEC standards JESD36 and JESD52.

-0.4

VOH(2)

Output high level voltage for an I/O pin

VDD - 0.4

VOL(2)

Output low level voltage for an I/O pin

TTL port(3)



|IIO| = 8 mA

VDD ≥ 2.7 V

-0.4

VOH(2)

Output high level voltage for an I/O pin

2.4

VOL(2)

Output low level voltage for an I/O pin

|IIO| = 20 mA

VDD ≥ 2.7 V

-1.3

VOH(2)

Output high level voltage for an I/O pin

VDD - 1.3

VOL(2)

Output low level voltage for an I/O pin

|IIO| = 4 mA

VDD ≥ 1.71 V

-0.4

VOH(2)

Output high level voltage for an I/O pin

VDD - 0.45

VOLFM+(2)

Output low level voltage for an FT I/O pin

in FM+ mode (FT I/O with “f” option)

|IIO| = 20 mA

VDD ≥ 2.7 V

-0.4

|IIO| = 10 mA

VDD ≥ 1.71 V

-0.4

Table 66. I/O AC characteristics(1)(2)

Speed Symbol

Parameter

Conditions

Min

Max

Unit

Fmax

Maximum frequency

C = 50 pF, 2.7 V ≤ VDD ≤ 3.6 V

MHz

C = 50 pF, 1.71 V ≤ VDD ≤ 2.7 V

C=10 pF, 2.7 V ≤ VDD ≤ 3.6 V

C=10 pF, 1.71 V ≤ VDD ≤ 2.7 V

1.5

Tr/Tf

Output rise and fall time

C = 50 pF, 2.7 V ≤ VDD ≤ 3.6 V

C = 50 pF, 1.71 V ≤ VDD ≤ 2.7 V

C = 10 pF, 2.7 V ≤ VDD ≤ 3.6 V

C = 10 pF, 1.71 V ≤ VDD ≤ 2.7 V

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