st72f321r STMicroelectronics, st72f321r Datasheet - Page 157

• Manufacturer Part Number: st72f321r
• Description: 64/44-pin 8-bit Mcu With 32 To 60k Flash/rom, Adc, Five Timers, Spi, Sci, I2c Interface
• Manufacturer: STMicroelectronics

I/O PORT PIN CHARACTERISTICS (Cont’d)
12.8.2 Output Driving Current
Subject to general operating conditions for V
Figure 83. Typical V
Figure 84. Typical V
Notes:
1. The I
(I/O ports and control pins) must not exceed I
2. The I
I
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 84
Figure 85
0.01
0.005
OL
OL
83)
and
and
at V
at V
Iio(A)
Iio(A)
Parameter
Figure
Figure
DD
DD
0.02
=5V (standard)
Ta =14 0°C "
Ta =95 °C
Ta =25 °C
Ta =-45 °C
=5V (high-sink)
0.01
86)
88)
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 85. Typical V
I
I
I
I
I
I
5.5
4.5
3.5
2.5
IO
IO
IO
IO
IO
IO
A
5
4
3
2
Conditions
=+5mA
=+2mA
=+20mA, T
=+8mA
=-5mA, T
=-2mA
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
at V
DD
DD
DD
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
-0.002
and the sum of I
Max
1.2
0.5
1.3
1.5
0.6
and the sum of
ST72321
0
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Unit
V
IO