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STM32F072X8 датащи(PDF) 82 Page - STMicroelectronics

номер детали STM32F072X8
подробное описание детали  Arm®-based 32-bit MCU, up to 128 KB Flash, crystal-less USB FS 2.0, CAN, 12 timers, ADC, DAC & comm. interfaces, 2.0 - 3.6 V
PDF  128 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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STM32F072X8 датащи(HTML) 82 Page - STMicroelectronics

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Electrical characteristics
STM32F072x8 STM32F072xB
82/128
DS9826 Rev 6
Input/output AC characteristics
The definition and values of input/output AC characteristics are given in Figure 24 and
Table 55, respectively. Unless otherwise specified, the parameters given are derived from
tests performed under the ambient temperature and supply voltage conditions summarized
in Table 24: General operating conditions.
Table 55. I/O AC characteristics(1)(2)
OSPEEDRy
[1:0] value(1)
Symbol
Parameter
Conditions
Min
Max
Unit
x0
fmax(IO)out Maximum frequency(3)
CL = 50 pF, VDDIOx ≥ 2 V
-2
MHz
tf(IO)out
Output fall time
-
125
ns
tr(IO)out
Output rise time
-
125
fmax(IO)out Maximum frequency(3)
CL = 50 pF, VDDIOx < 2 V
-1
MHz
tf(IO)out
Output fall time
-
125
ns
tr(IO)out
Output rise time
-
125
01
fmax(IO)out Maximum frequency(3)
CL = 50 pF, VDDIOx ≥ 2 V
-10
MHz
tf(IO)out
Output fall time
-
25
ns
tr(IO)out
Output rise time
-
25
fmax(IO)out Maximum frequency(3)
CL = 50 pF, VDDIOx < 2 V
-4
MHz
tf(IO)out
Output fall time
-
62.5
ns
tr(IO)out
Output rise time
-
62.5
11
fmax(IO)out Maximum frequency(3)
CL = 30 pF, VDDIOx ≥ 2.7 V
-
50
MHz
CL = 50 pF, VDDIOx ≥ 2.7 V
-
30
CL = 50 pF, 2 V ≤ VDDIOx < 2.7 V
-
20
CL = 50 pF, VDDIOx < 2 V
-
10
tf(IO)out
Output fall time
CL = 30 pF, VDDIOx ≥ 2.7 V
-
5
ns
CL = 50 pF, VDDIOx ≥ 2.7 V
-
8
CL = 50 pF, 2 V ≤ VDDIOx < 2.7 V
-
12
CL = 50 pF, VDDIOx < 2 V
-
25
tr(IO)out
Output rise time
CL = 30 pF, VDDIOx ≥ 2.7 V
-
5
CL = 50 pF, VDDIOx ≥ 2.7 V
-
8
CL = 50 pF, 2 V ≤ VDDIOx < 2.7 V
-
12
CL = 50 pF, VDDIOx < 2 V
-
25



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