STM32L072X8 datasheet(91/147 Pages) STMICROELECTRONICS

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STM32L072xx

Electrical characteristics

117

6.3.11

Electrical sensitivity characteristics

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 ANSI/JEDEC 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 57. ESD absolute maximum ratings

Symbol

Ratings

Conditions

Class

Maximum

value(1)

1. Guaranteed by characterization results.

Unit

VESD(HBM)

Electrostatic discharge

voltage (human body model)

TA +25 °C,

conforming to

ANSI/JEDEC JS-001

22000

VESD(CDM)

Electrostatic discharge

voltage (charge device

model)

TA +25 °C,

conforming to

ANSI/ESD STM5.3.1.

500

Table 58. Electrical sensitivities

Symbol

Parameter

Conditions

Class

Static latch-up class

TA +125 °C conforming to JESD78A

II level A

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