参数资料
型号: ST72324BLK2BA/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, PDIP32
封装: 0.400 INCH, PLASTIC, SDIP-32
文件页数: 30/151页
文件大小: 1209K
代理商: ST72324BLK2BA/XXX
ST72F324L, ST72324BL
125/151
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.
Figure 66. Typical VOL at VDD=3V (std. ports)
Figure 67. Typ. VOL at VDD=3V (high-sink ports)
Figure 68. Typical VOH at VDD=3V
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.
Symbol
Parameter
Conditions
Min
Typ.
Max.
Unit
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
0.3
0.7
V
Output low level voltage for a high sink I/O pin
when 4 pins are sunk at same time
IIO=+10mA
0.3
0.7
VOH
2)
Output high level voltage for an I/O pin
when 4 pins are sourced at same time
IIO=-2mA
VDD-0.9
2.6
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
01
2
lIO (mA)
V
OL
(V
)
Ta=90°C
Ta=25°C
Ta=-45°C
0.00
0.10
0.20
0.30
0.40
0.50
01
2
3
45
6
7
8
lIO (mA)
V
OL
(V
)
Ta=90°C
Ta=25°C
Ta=-45°C
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
3.1
210
lIO(mA)
V
OH
(V
)
Ta=90°C
Ta=25°C
Ta=-45°C
1
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