参数资料
型号: ST72323K1T5/XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP32
封装: 7 X 7 MM, PLASTIC, LQFP-32
文件页数: 10/140页
文件大小: 1386K
代理商: ST72323K1T5/XXX
ST72323
107/140
I/O PORT PIN CHARACTERISTICS (Cont’d)
11.8.2 Output Driving Current
Subject to general operating conditions for VDD, fCPU, and TA unless otherwise specified.
Notes:
1. The IIO current sunk must always respect the absolute maximum rating specified in Section 11.2.2 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 11.2.2 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.
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
V
DD
=5V
IIO=+5mA
1.2
V
IIO=+2mA
0.5
Output low level voltage for a high sink I/O pin
when 4 pins are sunk at same time
IIO=+20mA, TA≤85°C
TA>85°C
1.3
1.5
IIO=+8mA
0.6
VOH
2)
Output high level voltage for an I/O pin
when 4 pins are sourced at same time
IIO=-5mA, TA≤85°C
TA>85°C
VDD-1.4
VDD-1.6
IIO=-2mA
VDD-0.7
VOL
1)
Output low level voltage for a standard I/O pin
when 8 pins are sunk at same time
V
DD
=3V
IIO=+2mA
0.7
Output low level voltage for a high sink I/O pin
when 4 pins are sunk at same time
IIO=+10mA
0.7
IIO=+14mA,
0°C ≤ TA ≤70°C
0.9
VOH
2)
Output high level voltage for an I/O pin
when 4 pins are sourced at same time
IIO=-2mA
VDD-0.9
1
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