STM8T141 datasheet(35/50 Pages) STMICROELECTRONICS

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STM8T141

Electrical characteristics

Doc ID 15699 Rev 7

35/50

9.6

EMC characteristics

Susceptibility and emission tests are performed on a sample basis during product

characterization.

Both the sample and its applicative hardware environment (Figure 10) are mounted on a

dedicated specific EMC board defined in the IEC61967-1 standard.

9.6.1

Functional EMS (electromagnetic susceptibility)

While running in the above described environment the product is stressed by two

electromagnetic events until a failure occurs.

●

ESD: Electrostatic discharge (positive and negative) is applied on all pins of the device

until a functional disturbance occurs. This test complies with the IEC 1000-4-2

standard.

●

FTB: A burst of fast transient voltage (positive and negative) is applied to VDD and VSS

through a 100 pF capacitor, until a functional disturbance occurs. This test complies

with the IEC 1000-4-4 standard.

A device reset allows normal operations to be resumed. The test results are given in

Table 19 based on the EMS levels and classes defined in application note AN1709.

9.6.2

Prequalification trials

Table 19.

EMS data

Symbol

Parameter

Conditions

Level/class

VFESD

Voltage limits to be applied on any pin to

induce a functional disturbance

VDD 5 V, TA+25 °C, SO8

(Narrow) package, complies

with IEC 1000-4-2

VEFTB

Fast transient voltage burst limits to be

applied through 100pF on VDD and VSS pins

to induce a functional disturbance

VDD5 V, TA+25 °C, SO8

(Narrow) package, complies

with IEC 1000-4-4

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