Datasheet

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STM32F410x8/B Electrical characteristics
118
6.3.13 EMC characteristics
Susceptibility tests are performed on a sample basis during device characterization.
Functional EMS (electromagnetic susceptibility)
While a simple application is executed on the device (toggling 2 LEDs through I/O ports).
the device is stressed by two electromagnetic events until a failure occurs. The failure is
indicated by the LEDs:
• Electrostatic discharge (ESD) (positive and negative) is applied to all device pins until
a functional disturbance occurs. This test is compliant with the IEC 61000-4-2 standard.
• FTB: A burst of fast transient voltage (positive and negative) is applied to V
DD
and V
SS
through a 100 pF capacitor, until a functional disturbance occurs. This test is compliant
with the IEC 61000-4-4 standard.
A device reset allows normal operations to be resumed.
The test results are given in Table 51. They are based on the EMS levels and classes
defined in application note AN1709.
1. Guaranteed by design.
2. The maximum programming time is measured after 100K erase operations.
3. V
PP
should only be connected during programming/erasing.
Table 49. Flash memory endurance and data retention
Symbol Parameter Conditions
Value
Unit
Min
(1)
N
END
Endurance
T
A
= - 40 to +85 °C (6 suffix versions)
T
A
= - 40 to +105 °C (7 suffix versions)
T
A
= - 40 to +125 °C (3 suffix versions)
10 Kcycle
tRET Data retention
1 kcycle
(2)
at T
A
= 85 °C 30
Years
1 kcycle
(2)
at T
A
= 105 °C 10
1 kcycle
(2)
at T
A
= 125 °C 3
10 kcycle
(2)
at T
A
= 55 °C 20
1. Guaranteed by characterization.
2. Cycling performed over the whole temperature range.
Table 50. EMS characteristics
Symbol Parameter Conditions
Level/
Class
V
FESD
Voltage limits to be applied on any I/O pin
to induce a functional disturbance
V
DD
= 3.3 V, LQFP64, T
A
= +25 °C,
f
HCLK
= 100 MHz, conforms to
IEC 61000-4-2
2B
V
EFTB
Fast transient voltage burst limits to be
applied through 100 pF on V
DD
and V
SS
pins to induce a functional disturbance
V
DD
= 3.3 V, LQFP64, T
A
= +25 °C,
f
HCLK
= 100 MHz, conforms to
IEC 61000-4-4
4A
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