SPC56EL54X datasheet(106/165 Pages) STMICROELECTRONICS

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Electrical characteristics

SPC56ELx, SPC564Lx

106/165

DocID15457 Rev 12

3.6

Electromagnetic Interference (EMI) characteristics

The characteristics in Table 16 were measured using:



Device configuration, test conditions, and EM testing per standard IEC61967-2



Supply voltage of 3.3 V DC



Ambient temperature of 25

C

The configuration information referenced in Table 16 is explained in Table 15.

EMC testing was performed and documented according to these standards: [IEC61508-2-

7.4.5.1.b, IEC61508-2-7.2.3.2.e, IEC61508-2-Table-A.17 (partially), IEC61508-2-Table-

B.5(partially),SRS2110]

Table 15. EMI configuration summary

Configuration name

Description

Configuration A

– High emission = all pads have max slew rate, LVDS pads running at 40 MHz

– Oscillator frequency = 40 MHz

– System bus frequency = 80 MHz

– No PLL frequency modulation

– IEC level I (

 36 dBµV)

Configuration B

– Reference emission = pads use min, mid and max slew rates, LVDS pads disabled

– Oscillator frequency = 40 MHz

– System bus frequency = 80 MHz

– 2% PLL frequency modulation

– IEC level K(

 30 dBµV)

Table 16. EMI emission testing specifications

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VEME

CC Radiated emissions

Configuration A; frequency range

150 kHz–50 MHz

—16—

dBµV

Configuration A; frequency range 50–

150 MHz

—16—

Configuration A; frequency range 150–

500 MHz

—32—

Configuration A; frequency range 500–

1000 MHz

—25—

Configuration B; frequency range 50–

150 MHz

—15—

Configuration B; frequency range 50–

150 MHz

—21—

Configuration B; frequency range 150–

500 MHz

—30—

Configuration B; frequency range 500–

1000 MHz

—24—

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