ST7MC1K2-Auto datasheet(327/371 Pages) STMICROELECTRONICS

327 / 371 page

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Electrical characteristics

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12.7.2

Electro magnetic interference (EMI)

Based on a simple application running on the product (toggling two LEDs through the I/O ports), the

product is monitored in terms of emission. This emission test is in line with the norm SAE J 1752/3 which

specifies the board and the loading of each pin.

12.7.3

Absolute maximum ratings (electrical sensitivity)

Based on three different tests (ESD, LU and DLU) using specific measurement methods, the product is

stressed in order to determine its performance in terms of electrical sensitivity. For more details, refer to

the application note AN1181.

Electro-static discharge (ESD)

Electro-Static 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 pin). Three models can be simulated: Human body model,

Machine model and Charged device model. This test conforms to the JESD22-A114A/A115A/C101-A

standard.

Table 206.

EMI emission(1)(2)

Symbol Parameter

Conditions

Device/package

Monitored

frequency band

Max vs. [fOSC/fCPU]

Unit

8/4 MHz

16/8 MHz

SEMI

Peak level

VDD -5V, TA = +25°C,

conforming to

SAE J 1752/3

Flash/LQFP64

0.1 MHz to 30 MHz

dBµV

30 MHz to 130 MHz

130MHz to 1GHz

SAE EMI Level

1.5

2.5

Data based on characterization results, not tested in production.

Refer to Application Note AN1709 for data on other package types.

Table 207.

ESD absolute maximum ratings

Symbol

Ratings

Conditions

Maximum value(1)

Data based on characterization results, not tested in production.

Unit

VESD(HBM)

Electro-static discharge voltage

(Human body model)

TA = +25°C

2000

VESD(MM)

Electro-static discharge voltage

(Machine model)

TA = +25°C

200

VESD(CDM)

Electro-static discharge voltage

(Charged device model)

TA = +25°C

250

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