str755fvx STMicroelectronics, str755fvx Datasheet - Page 56

• Manufacturer Part Number: str755fvx
• Description: 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
• Manufacturer: STMicroelectronics

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