Datasheet

Electrical characteristics STM32F401xB STM32F401xC
88/139 DS9716 Rev 11
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.
6.3.14 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 JESD22-A114/C101 standard.
Table 49. EMI characteristics for WLCSP49
Symbol Parameter Conditions
Monitored
frequency band
Max vs.
[f
HSE
/f
CPU
]
Unit
25/84 MHz
S
EMI
Peak level
V
DD
= 3.3 V, T
A
= 25 °C,
conforming to IEC61967-2
0.1 to 30 MHz -6
dBµV30 to 130 MHz -6
130 MHz to 1 GHz -10
SAE EMI Level 1.5 -
Table 50. EMI characteristics for LQFP100
Symbol Parameter Conditions
Monitored
frequency band
Max vs.
[f
HSE
/f
CPU
]
Unit
25/84 MHz
S
EMI
Peak level
V
DD
= 3.3 V, T
A
= 25 °C,
conforming to IEC61967-2
0.1 to 30 MHz 18
dBµV30 to 130 MHz 23
130 MHz to 1 GHz 12
SAE EMI Level 3.5 -
Table 51. ESD absolute maximum ratings
Symbol Ratings Conditions Class
Maximum
value
(1)
1. Guaranteed by characterization.
Unit
V
ESD(HBM)
Electrostatic discharge voltage
(human body model)
T
A
= +25 °C conforming to
JESD22-A114
2 2000
V
V
ESD(CDM)
Electrostatic discharge voltage
(charge device model)
T
A
= +25 °C conforming to
ANSI/ESD STM5.3.1
II 500
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