ST72321AR9TC View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
ST72321AR9TC
STMicroelectronics
ST72321AR9TC Datasheet PDF : 185 Pages
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ST72321
I/O PORT PIN CHARACTERISTICS (Cont’d)
12.8.2 Output Driving Current
Subject to general operating conditions for VDD, fCPU, and TA unless otherwise specified.
Symbol
Parameter
Conditions
Min
Max
Unit
VOL 1)
Output low level voltage for a standard I/O pin
when 8 pins are sunk at same time
(see Figure 88)
Output low level voltage for a high sink I/O pin
when 4 pins are sunk at same time
(see Figure 89 and Figure 91)
VOH 2)
Output high level voltage for an I/O pin
when 4 pins are sourced at same time
(see Figure 90 and Figure 93)
IIO=+5mA
1.2
IIO=+2mA
0.5
IIO=+20mA, TA≤85°C
TA≥85°C
1.3
1.5
V
IIO=+8mA
0.6
IIO=-5mA, TA≤85°C VDD-1.4
TA≥85°C VDD-1.6
IIO=-2mA
VDD-0.7
Figure 88. Typical VOL at VDD=5V (standard)
1.4
Figure 90. Typical VOH at VDD=5V
5 .5
1.2
5
1
4 .5
0.8
4
0.6
3 .5
V dd= 5V 1 40°C m in
0.4
Ta =14 0°C "
3
V dd= 5v 95°C m in
Ta =95 °C
V dd= 5v 25°C m in
0.2
Ta =25 °C
Ta =-45 °C
2 .5
V dd= 5v -4 5°C m in
0
0
0.005
0.0 1
0.01 5
Ii o( A )
2
-0.01 -0.008 -0.006 -0.004 -0.002 0
Iio (A)
Figure 89. Typical VOL at VDD=5V (high-sink)
1
0.9
0.8
0.7
0.6
0.5
0.4
Ta= 140 °C
0.3
Ta= 95 °C
0.2
Ta= 25 °C
0.1
Ta= -45°C
0
0
0.01
0.02
0.03
Ii o (A)
Notes:
1. The IIO current sunk must always respect the absolute maximum rating specified in Section 12.2.2 and the sum of IIO
(I/O ports and control pins) must not exceed IVSS.
2. The IIO current sourced must always respect the absolute maximum rating specified in Section 12.2.2 and the sum of
IIO (I/O ports and control pins) must not exceed IVDD. True open drain I/O pins do not have VOH.
158/185
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