STM32F411RET6 datasheet(95/149 Pages) STMICROELECTRONICS

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STM32F411xC STM32F411xE

Electrical characteristics

123

Electromagnetic Interference (EMI)

The electromagnetic field emitted by the device are monitored while a simple application,

executing EEMBC code, is running. This emission test is compliant with SAE IEC61967-2

standard which specifies the test board and the pin loading.

6.3.14

Absolute maximum ratings (electrical sensitivity)

Based on three different tests (ESD, LU) using specific measurement methods, the device is

stressed in order to determine its performance in terms of electrical sensitivity.

Electrostatic discharge (ESD)

Electrostatic discharges (a positive then a negative pulse separated by 1 second) are

applied to the pins of each sample according to each pin combination. The sample size

depends on the number of supply pins in the device (3 parts × (n+1) supply pins). This test

conforms to the JESD22-A114/C101 standard.

Table 49. EMI characteristics for LQFP100

Symbol

Parameter

Conditions

Monitored

frequency band

Max vs.

[fHSE/fCPU]

Unit

8/84 MHz

SEMI

Peak level

VDD = 3.6 V, TA = 25 °C, conforming to

IEC61967-2

0.1 to 30 MHz

dBµV

30 to 130 MHz

130 MHz to 1 GHz

SAE EMI Level

3.5

Table 50. ESD absolute maximum ratings

Symbol

Ratings

Conditions

Class

Maximum

value(1)

Unit

VESD(HBM)

Electrostatic discharge

voltage (human body

model)

TA = +25 °C conforming to JESD22-A114

2000

VESD(CDM)

Electrostatic discharge

voltage (charge device

model)

TA = +25 °C conforming to

ANSI/ESD STM5.3.1

UFBGA100,

UFQFPN48

4500

WLCSP49

400

LQPF64,

LQFP100

3250

1. Guaranteed by characterization results.

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