STM32F410RB datasheet(95/142 Pages) STMICROELECTRONICS

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STM32F410x8/B

Electrical characteristics

118

Input/output AC characteristics

The definition and values of input/output AC characteristics are given in Figure 28 and

Table 57, respectively.

Unless otherwise specified, the parameters given in Table 57 are derived from tests

performed under the ambient temperature and VDD supply voltage conditions summarized

in Table 15.

Table 56. Output voltage characteristics

Symbol

Parameter

Conditions

Min

Max

Unit

VOL(1)

1. The IIO current sunk by the device must always respect the absolute maximum rating specified in Table 13.

and the sum of IIO (I/O ports and control pins) must not exceed IVSS.

Output low level voltage for an I/O pin

CMOS port(2)

IIO = +8 mA

2.7 V ≤VDD ≤3.6 V

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

-0.4

VOH(3)

3. The IIO current sourced by the device must always respect the absolute maximum rating specified in

Table 13 and the sum of IIO (I/O ports and control pins) must not exceed IVDD.

Output high level voltage for an I/O pin

VDD–0.4

VOL (1) Output low level voltage for an I/O pin

TTL port(2)

IIO =+8 mA

2.7 V ≤VDD ≤3.6 V

-0.4

VOH (3) Output high level voltage for an I/O pin

2.4

VOL(1) Output low level voltage for an I/O pin

IIO = +20 mA

2.7 V ≤VDD ≤3.6 V

-1.3(4)

4. Guaranteed by characterization results.

VOH(3) Output high level voltage for an I/O pin

VDD–1.3(4)

VOL(1) Output low level voltage for an I/O pin

IIO = +6 mA

1.8 V ≤VDD ≤3.6 V

-0.4(4)

VOH(3) Output high level voltage for an I/O pin

VDD–0.4(4)

VOL(1) Output low level voltage for an I/O pin

IIO = +4 mA

1.7 V ≤VDD ≤3.6 V

-0.4(5)

5. Guaranteed by design.

VOH(3) Output high level voltage for an I/O pin

VDD–0.4(5)

Table 57. I/O AC characteristics(1)(2)

OSPEEDRy

[1:0] bit

value(1)

Symbol

Parameter

Conditions

Min Typ Max Unit

fmax(IO)out Maximum frequency(3)

CL = 50 pF, VDD ≥ 2.70 V

MHz

CL = 50 pF, VDD≥ 1.7 V

CL = 10 pF, VDD ≥ 2.70 V

CL = 10 pF, VDD ≥ 1.7 V

tf(IO)out/

tr(IO)out

Output high to low level fall

time and output low to high

level rise time

CL = 50 pF, VDD = 1.7 V to 3.6 V

100

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