STM32L4S5AI datasheet(182/275 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32L4S5xx, STM32L4S7xx and STM32L4S9xx

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DocID030322 Rev 2

Input/output AC characteristics

The definition and values of input/output AC characteristics are given in Figure 33 and

Table 69, respectively.

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

the ambient temperature and supply voltage conditions summarized in Table 22: General

operating conditions.

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

3. Guaranteed by design.

Table 69. I/O AC characteristics(1)(2)

Speed Symbol

Parameter

Conditions

Min

Max

Unit

Fmax

Maximum

frequency

C=50 pF, 2.7 V≤VDDIOx≤3.6 V

MHz

C=50 pF, 1.62 V≤VDDIOx≤2.7 V

C=50 pF, 1.08 V≤VDDIOx≤1.62 V

0.1

C=10 pF, 2.7 V≤VDDIOx≤3.6 V

C=10 pF, 1.62 V≤VDDIOx≤2.7 V

1.5

C=10 pF, 1.08 V≤VDDIOx≤1.62 V

0.1

Tr/Tf

Output rise and

fall time

C=50 pF, 2.7 V≤VDDIOx≤3.6 V

C=50 pF, 1.62 V≤VDDIOx≤2.7 V

C=50 pF, 1.08 V≤VDDIOx≤1.62 V

140

C=10 pF, 2.7 V≤VDDIOx≤3.6 V

C=10 pF, 1.62 V≤VDDIOx≤2.7 V

C=10 pF, 1.08 V≤VDDIOx≤1.62 V

110

Fmax

Maximum

frequency

C=50 pF, 2.7 V≤VDDIOx≤3.6 V

MHz

C=50 pF, 1.62 V≤VDDIOx≤2.7 V

C=50 pF, 1.08 V≤VDDIOx≤1.62 V

C=10 pF, 2.7 V≤VDDIOx≤3.6 V

C=10 pF, 1.62 V≤VDDIOx≤2.7 V

C=10 pF, 1.08 V≤VDDIOx≤1.62 V

Tr/Tf

Output rise and

fall time

C=50 pF, 2.7 V≤VDDIOx≤3.6 V

C=50 pF, 1.62 V≤VDDIOx≤2.7 V

C=50 pF, 1.08 V≤VDDIOx≤1.62 V

C=10 pF, 2.7 V≤VDDIOx≤3.6 V

4.5

C=10 pF, 1.62 V≤VDDIOx≤2.7 V

C=10 pF, 1.08 V≤VDDIOx≤1.62 V

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