st72321j STMicroelectronics, st72321j Datasheet - Page 156

• Manufacturer Part Number: st72321j
• Description: 8-bit Mcu With Nested Interrupts, Flash, 10-bit Adc, 5 Timers, Spi, Sci, I2c Interface
• Manufacturer: STMicroelectronics

ST72321J
I/O PORT PIN CHARACTERISTICS (Cont’d)
12.8.2 Output Driving Current
Subject to general operating conditions for V
Figure 89. Typical V
Figure 90. Typical V
Notes:
1. The I
(I/O ports and control pins) must not exceed I
2. The I
I
156/179
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 sourced must always respect the absolute maximum rating specified in
0
0
current sunk must always respect the absolute maximum rating specified in
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 90
Figure 91
0.01
0 .005
OL
OL
89)
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
92)
94)
Ta= 140 °C
Ta= 95 °C
Ta= 25 °C
Ta= -45°C
0.03
VSS
VDD
.
0.015
DD
. True open drain I/O pins do not have V
, f
CPU
, and T
Figure 91. 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
A
A
A
A
-0.008 -0.006 -0.004
85°C
85°C
85°C
85°C
Section 12.2.2
OH
Section 12.2.2
V
V
V
at V
Iio (A)
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
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