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STR750F Scheda tecnica(PDF) 56 Page - STMicroelectronics

Il numero della parte STR750F
Spiegazioni elettronici  ARM7TDMI-S, 32-bit MCU with Flash, SMI, 3 std 16-bit timers PWM timer, fast 10-bit ADC, I2C, UART, SSP, USB and CAN
PDF  73 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STR750F Scheda tecnica(HTML) 56 Page - STMicroelectronics

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Electrical parameters
STR750F
56/71
Output speed
Subject to general operating conditions for VDD_IO and TA unless otherwise specified.
Figure 26.
I/O output speed definition
Table 33.
Output speed
I/O dynamic characteristics for
VDD_IO = 3.0 to 3.6V and EN33 bit =1
or VDD_IO = 4.5 to 5.5V and EN33 bit =0
I/O
Type
Symbol
Parameter
Conditions
Min Typ Max Unit
O2
Fmax(IO)out Maximum Frequency
(1)
1.
The maximum frequency is defined as described in Figure 26.
CL=50 pF
10
MHz
tf(IO)out
Output high to low level fall
time(2)
2.
Data based on product characterisation, not tested in production.
CL=50 pF
Between 10% and 90%
30
ns
tr(IO)out
Output low to high level rise
time(2)
30
O4
Fmax(IO)out Maximum Frequency
(1)
CL=50 pF
25
MHz
tf(IO)out
Output high to low level fall
time(2)
CL=50 pF
Between 10% and 90%
12
ns
tr(IO)out
Output low to high level rise
time(2)
12
O8
Fmax(IO)out Maximum Frequency
(1)
CL=50pF
40
MHz
tf(IO)out
Output high to low level fall
time(2)
CL=50 pF
Between 10% and 90%
6
ns
tr(IO)out
Output low to high level rise
time(2)
6
10%
T
90%
50%
tr(IO)out
OUTPUT
EXTERNAL
ON 50pF
Maximum frequency is achieved if (tr + tf) ≤ (2/3)T and if the duty cycle is (45-55%)
10%
50%
90%
tr(IO)out
when loaded by 50pF



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