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STM32F407IG датащи(PDF) 101 Page - STMicroelectronics

номер детали STM32F407IG
подробное описание детали  ARM Cortex-M4 32b MCUFPU, 210DMIPS, up to 1MB Flash/1924KB RAM, USB OTG HS/FS, Ethernet, 17 TIMs, 3 ADCs, 15 comm. interfaces & camera
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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STM32F405xx, STM32F407xx
Electrical characteristics
Doc ID 022152 Rev 2
101/167
Input/output AC characteristics
The definition and values of input/output AC characteristics are given in Figure 34 and
Table 46, respectively.
Unless otherwise specified, the parameters given in Table 46 are derived from tests
performed under the ambient temperature and VDD supply voltage conditions summarized
in Table 11.
Table 46.
I/O AC characteristics(1)(2)(3)
OSPEEDRy
[1:0] bit
value(1)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
00
fmax(IO)out Maximum frequency
(4)
CL = 50 pF, VDD > 2.70 V
-
-
2
MHz
CL = 50 pF, VDD > 1.8 V
-
-
2
CL = 10 pF, VDD > 2.70 V
-
-
TBD
CL = 10 pF, VDD > 1.8 V
-
-
TBD
tf(IO)out
Output high to low level fall
time
CL = 50 pF, VDD = 1.8 V to
3.6 V
--
TBD
ns
tr(IO)out
Output low to high level rise
time
--
TBD
01
fmax(IO)out Maximum frequency
(4)
CL = 50 pF, VDD > 2.70 V
-
-
25
MHz
CL = 50 pF, VDD > 1.8 V
-
-
12.5(5)
CL = 10 pF, VDD > 2.70 V
-
-
50(5)
CL = 10 pF, VDD > 1.8 V
-
-
TBD
tf(IO)out
Output high to low level fall
time
CL = 50 pF, VDD < 2.7 V
-
-
TBD
ns
CL = 10 pF, VDD > 2.7 V
-
-
TBD
tr(IO)out
Output low to high level rise
time
CL = 50 pF, VDD < 2.7 V
-
-
TBD
CL = 10 pF, VDD > 2.7 V
-
-
TBD
10
fmax(IO)out Maximum frequency
(4)
CL = 40 pF, VDD > 2.70 V
-
-
50(5)
MHz
CL = 40 pF, VDD > 1.8 V
-
-
25
CL = 10 pF, VDD > 2.70 V
-
-
100(5)
CL = 10 pF, VDD > 1.8 V
-
-
TBD
tf(IO)out
Output high to low level fall
time
CL = 50 pF, 2.4 < VDD < 2.7 V
-
-
TBD
ns
CL = 10 pF, VDD > 2.7 V
-
-
TBD
tr(IO)out
Output low to high level rise
time
CL = 50 pF, 2.4 < VDD < 2.7 V
-
-
TBD
CL = 10 pF, VDD > 2.7 V
-
-
TBD



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