Datasheet

Electrical characteristics STM32F765xx STM32F767xx STM32F768Ax STM32F769xx
156/255 DocID029041 Rev 6
Prequalification trials
Most of the common failures (unexpected reset and program counter corruption) can be
reproduced by manually forcing a low state on the NRST pin or the Oscillator pins for 1
second.
To complete these trials, ESD stress can be applied directly on the device, over the range of
specification values. When unexpected behavior is detected, the software can be hardened
to prevent unrecoverable errors occurring (see application note AN1015).
Electromagnetic Interference (EMI)
The electromagnetic field emitted by the device are monitored while a simple application,
executing EEMBC code, is running. This emission test is compliant with SAE IEC61967-2
standard which specifies the test board and the pin loading.
5.3.18 Absolute maximum ratings (electrical sensitivity)
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/ESDA/JEDEC JS-001-2012 and ANSI/ESD S5.3.1-2009 standards.
Table 62. EMI characteristics
Symbol Parameter Conditions
Monitored
frequency band
Max vs.
[f
HSE
/f
CPU
]
Unit
8/200 MHz
S
EMI
Peak level
V
DD
= 3.6 V, T
A
= 25 °C, TFBGA216 package,
conforming to IEC61967-2 ART/L1-cache ON,
over-drive ON, all peripheral clocks enabled,
clock dithering disabled.
0.1 to 30 MHz 5
dBµV
30 to 130 MHz 10
130 MHz to 1 GHz 18
1 GHz to 2 GHz 10
EMI Level 3.5 -
V
DD
= 3.6 V, T
A
= 25 °C, TFBGA216 package,
conforming to IEC61967-2 ART/L1-cache ON,
over-drive ON, all peripheral clocks enabled,
clock dithering enabled.
0.1 to 30 MHz 2
dBµV
30 to 130 MHz 9
130 MHz to 1 GHz 14
1 GHz to 2 GHz 9
EMI Level 3 -
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