STM8AF51XX datasheet(86/100 Pages) STMICROELECTRONICS

86 / 100 page

Electrical characteristics

STM8AF61xx, STM8AF51xx

86/100

Electromagnetic interference (EMI)

Emission tests conform to the SAE J 1752/3 standard for test software, board layout and pin

Absolute maximum ratings (electrical sensitivity)

Based on two different tests (ESD and LU) using specific measurement methods, the

product is stressed to determine its performance in terms of electrical sensitivity. For more

details, refer to the application note AN1181.

Electrostatic discharge (ESD)

Electrostatic discharges (3 positive then 3 negative pulses 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 pin). This test

conforms to the JESD22-A114A/A115A standard. For more details, refer to the application

note AN1181.

Table 38.

EMS data

Symbol

Parameter

Conditions

Level/class

VFESD

Voltage limits to be applied on any I/O pin to

induce a functional disturbance

VDD = 3.3 V, TA= 25 °C,

fMASTER = 16 MHz (HSI clock),

Conforms to IEC 1000-4-2

VEFTB

Fast transient voltage burst limits to be

applied through 100 pF on VDD and VSS

pins to induce a functional disturbance

VDD= 3.3 V, TA= 25 °C,

fMASTER = 16 MHz (HSI clock),

Conforms to IEC 1000-4-4

Table 39.

EMI data

Symbol

Parameter

Conditions

Unit

General conditions

Monitored

frequency band

Max fCPU

(1)

MHz

SEMI

Peak level

VDD = 5 V,

TA = 25 °C,

LQFP80 package

conforming to SAE J

1752/3

0.1 MHz to 30 MHz

dBµV

30 MHz to 130 MHz

130 MHz to 1 GHz

-1

SAE EMI level

2.5

Data based on characterization results, not tested in production.

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