STM32U375CE datasheet(144/222 Pages) STMICROELECTRONICS

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Table 90. Output AC characteristics, HSLV ON (all I/Os)

The I/O structure options listed in this table can be a concatenation of options including the option explicitly listed. For instance, TT_a refers to

any TT I/O with _a option. TT_xx refers to any TT I/O and FT_xx refers to any FT I/O.

The I/O speed is configured using the OSPEEDRy[1:0] bits. Refer to the product reference manual for a description of GPIO port configuration

Specified by design. Not tested in production.

Speed

Symbol

Parameter

Conditions

Min

Max

Unit

Fmax

Maximum frequency

C = 50 pF, 1.58 V ≤ VDDIOx < 2.7 V

MHz

C = 50 pF, 1.08 V ≤ VDDIOx < 1.58 V

C = 10 pF, 1.58 V ≤ VDDIOx < 2.7 V

C = 10 pF, 1.08 V ≤ VDDIOx < 1.58 V

tr/tf

Output rise and fall time

C = 50 pF, 1.58 V ≤ VDDIOx < 2.7 V

16.8

C = 50 pF, 1.08 V ≤ VDDIOx < 1.58 V

30.1

C = 10 pF, 1.58 V ≤ VDDIOx < 2.7 V

10.4

C = 10 pF, 1.08 V ≤ VDDIOx < 1.58 V

17.8

Fmax

Maximum frequency

C = 30 pF, 1.58 V ≤ VDDIOx < 2.7 V

MHz

C = 30 pF, 1.08 V ≤ VDDIOx < 1.58 V

C = 10 pF, 1.58 V ≤ VDDIOx < 2.7 V

C = 10 pF, 1.08 V ≤ VDDIOx < 1.58 V

tr/tf

Output rise and fall time

C = 30 pF, 1.58 V ≤ VDDIOx < 2.7 V

5.2

C = 30 pF, 1.08 V ≤ VDDIOx < 1.58 V

9.9

C = 10 pF, 1.58 V ≤ VDDIOx < 2.7 V

C = 10 pF, 1.08 V ≤ VDDIOx < 1.58 V

5.3

10 and 11(1)

Fmax

Maximum frequency

C = 30 pF, 1.58 V ≤ VDDIOx < 2.7 V

67(2)

MHz

C = 30 pF, 1.08 V ≤ VDDIOx < 1.58 V

C = 10 pF, 1.58 V ≤ VDDIOx < 2.7 V

110(2)(3)

C = 10 pF, 1.08 V ≤ VDDIOx < 1.58 V

tr/tf

Output rise and fall time

C = 30 pF, 1.58 V ≤ VDDIOx < 2.7 V

4.5(2)

C = 30 pF, 1.08 V ≤ VDDIOx < 1.58 V

8.9

C = 10 pF, 1.58 V ≤ VDDIOx < 2.7 V

2.2(2)

C = 10 pF, 1.08 V ≤ VDDIOx < 1.58 V

4.4

1. Very high speed config 11 has the same characteritics as High speed config 10.

2. Compensation system enabled.

3. The I/O frequency is actually limited by the device maximum frequency (96 MHz).

Table 91. Output AC characteristics for FT_o and PC13 I/Os

Specified by design and not tested in production.

Symbol

Parameter

Conditions

Min

Max

Unit

Fmax

Maximum frequency

CL = 50 pF, 2.7 V ≤ VSW ≤ 3.6 V, VDD off

0.5

MHz

CL = 50 pF, 1.58 V ≤ VSW < 2.7 V, VDD off

0.25

tr/tf

Output rise and fall time

CL = 50 pF, 2.7 V ≤ VSW ≤ 3.6 V, VDD off

400

CL = 50 pF, 1.58 V ≤ VSW < 2.7 V, VDD off

900

STM32U375xx

Electrical characteristics

DS14861 - Rev 2

page 144/222

STM32U375CE Datasheet(PDF) 144 Page - STMicroelectronics

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