STM32F107RB datasheet(54/103 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F105xx, STM32F107xx

54/104

Doc ID 15274 Rev 6

Electromagnetic Interference (EMI)

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

executed (toggling 2 LEDs through the I/O ports). This emission test is compliant with SAE

IEC61967-2 standard which specifies the test board and the pin loading.

5.3.11

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.

Static latch-up

Two complementary static tests are required on six parts to assess the latch-up

performance:

●

A supply overvoltage is applied to each power supply pin

●

A current injection is applied to each input, output and configurable I/O pin

These tests are compliant with EIA/JESD 78A IC latch-up standard.

Table 32.

EMI characteristics

Symbol

Parameter

Conditions

Monitored

frequency band

Max vs. [fHSE/fHCLK]

Unit

8/48 MHz

8/72 MHz

SEMI

Peak level

VDD = 3.3 V, TA = 25 °C,

LQFP100 package

compliant with IEC61967-2

0.1 to 30 MHz

dBµV

30 to 130 MHz

130 MHz to 1GHz

SAE EMI Level

Table 33.

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

JESD22-C101

500

Based on characterization results, not tested in production.

Table 34.

Electrical sensitivities

Symbol

Parameter

Conditions

Class

Static latch-up class

TA = +105 °C conforming to JESD78A

II level A

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