STM32F412RGY7 datasheet(121/201 Pages) STMICROELECTRONICS

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STM32F412xE/G

Electrical characteristics

166

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.

Static latchup

Two complementary static tests are required on six parts to assess the latchup

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 latchup standard.

Table 54. 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,

UFBGA144, UFBGA100, LQFP100, LQFP64,

UFQFPN48

4500

TA = +25 °C conforming to ANSI/ESD STM5.3.1,

WLCSP64

3400

TA = +25 °C conforming to ANSI/ESD STM5.3.1,

LQFP144

3250

1. Guaranteed by characterization, not tested in production.

Table 55. Electrical sensitivities

Symbol

Parameter

Conditions

Class

Static latch-up class

TA = +125 °C conforming to JESD78A

II level A

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