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STM32F407IGH6TR View Datasheet(PDF) - STMicroelectronics

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Description
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STM32F407IGH6TR Datasheet PDF : 185 Pages
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Electrical characteristics
STM32F405xx, STM32F407xx
Figure 23. External capacitor CEXT
C
5.3.3
5.3.4
5.3.5
ESR
1. Legend: ESR is the equivalent series resistance.
R Leak
MS19044V2
Symbol
Table 16. VCAP_1/VCAP_2 operating conditions(1)
Parameter
Conditions
CEXT
Capacitance of external capacitor
2.2 µF
ESR
ESR of external capacitor
<2Ω
1.
When bypassing the
replaced by two 100
voltage regulator, the two
nF decoupling capacitors.
2.2
µF
VCAP
capacitors
are
not
required
and
should
be
Operating conditions at power-up / power-down (regulator ON)
Subject to general operating conditions for TA.
Table 17. Operating conditions at power-up / power-down (regulator ON)
Symbol
Parameter
Min
Max
Unit
tVDD
VDD rise time rate
VDD fall time rate
20
µs/V
20
Operating conditions at power-up / power-down (regulator OFF)
Subject to general operating conditions for TA.
Table 18. Operating conditions at power-up / power-down (regulator OFF)(1)
Symbol
Parameter
Conditions
Min Max Unit
tVDD
tVCAP
VDD rise time rate
VDD fall time rate
VCAP_1 and VCAP_2 rise time
rate
Power-up
Power-down
Power-up
VCAP_1 and VCAP_2 fall time
rate
Power-down
20
20
20
µs/V
20
1.
To reset the internal logic
minimum value of V12.
at
power-down,
a
reset
must
be
applied
on
pin
PA0
when
VDD
reach
below
Embedded reset and power control block characteristics
The parameters given in Table 19 are derived from tests performed under ambient
temperature and VDD supply voltage conditions summarized in Table 14.
80/185
DocID022152 Rev 4

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