ST72521 STMICROELECTRONICS [STMicroelectronics], ST72521 Datasheet - Page 184
ST72521
Manufacturer Part Number
ST72521
Description
8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, FIVE TIMERS, SPI, SCI, I2C, CAN INTERFACE
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.ST72521.pdf
(211 pages)
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ST72521
I/O PORT PIN CHARACTERISTICS (Cont’d)
12.8.2 Output Driving Current
Subject to general operating conditions for V
Figure 102. Typical V
Figure 103. Typical V
Notes:
1. The I
(I/O ports and control pins) must not exceed I
2. The I
I
184/211
IO
Symbol
V
V
(I/O ports and control pins) must not exceed I
OH
OL
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
1.4
1.2
0.8
0.6
0.4
0.2
1)
2)
IO
IO
1
0
1
0
current sunk must always respect the absolute maximum rating specified in
current sourced must always respect the absolute maximum rating specified in
0
0
Output low level voltage for a standard I/O pin
when 8 pins are sunk at same time
(see
Output low level voltage for a high sink I/O pin
when 4 pins are sunk at same time
(see
Output high level voltage for an I/O pin
when 4 pins are sourced at same time
(see
Figure
Figure 103
Figure 104
0.01
0 .005
102)
OL
OL
and
and
Iio(A )
at V
at V
Iio(A)
Parameter
Figure
Figure
0.02
DD
DD
Ta =14 0°C "
Ta =95 °C
Ta =25 °C
Ta =-45 °C
0.01
=5V (standard)
=5V (high-sink)
105)
107)
Ta= 140 °C
Ta= 95 °C
Ta= 25 °C
Ta= -45°C
VSS
0.03
VDD
.
0.015
DD
. True open drain I/O pins do not have V
, f
CPU
, and T
Figure 104. Typical V
I
I
I
I
I
I
IO
IO
IO
IO
IO
IO
5.5
4.5
3.5
2.5
A
Conditions
=+5mA
=+2mA
=+20mA,T
=+8mA
=-5mA, T
=-2mA
5
4
3
2
unless otherwise specified.
-0.01
T
T
-0.008 -0.006 -0.004
A
A
A
A
85°C
85°C
85°C
85°C
Section 12.2.2
OH
Section 12.2.2
V
V
V
Iio (A)
DD
DD
DD
at V
Min
OH
-1.4
-1.6
-0.7
.
DD
V dd= 5V 1 40°C m in
V dd= 5v 95°C m in
V dd= 5v 25°C m in
V dd= 5v -4 5°C m in
=5V
and the sum of I
-0.002
Max
1.2
0.5
1.3
1.5
0.6
and the sum of
0
Unit
V
IO
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