参数资料
型号: ST72C254G1B7
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 6 MHz, MICROCONTROLLER, PDIP32
封装: SHRINK, PLASTIC, DIP-32
文件页数: 20/136页
文件大小: 929K
代理商: ST72C254G1B7
ST72104G, ST72215G, ST72216G, ST72254G
116/136
I/O PORT PIN CHARACTERISTICS (Cont’d)
14.8.2 Output Driving Current
Subject to general operating conditions for VDD,fOSC, and TA unless otherwise specified.
Figure 80. Typical VOL at VDD=5V (standard)
Figure 81. Typical VOL at VDD=5V (high-sink)
Figure 82. Typical VDD-VOH at VDD=5V
Notes:
1. The IIO current sunk must always respect the absolute maximum rating specified in Section 14.2.2 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 14.2.2 and the sum of
IIO (I/O ports and control pins) must not exceed IVDD. True open drain I/O pins does 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
(see Figure 80 and Figure 83)
V
DD
=5V
IIO=+5mA
1.3
V
IIO=+2mA TA≤85°C
TA≥85°C
0.5
0.6
Output low level voltage for a high sink I/O pin
when 4 pins are sunk at same time
(see Figure 81 and Figure 84)
IIO=+20mA,TA≤85°C
TA≥85°C
1.3
1.5
IIO=+8mA TA≤85°C
TA≥85°C
0.6
0.7
VOH
2)
Output high level voltage for an I/O pin
when 4 pins are sourced at same time
(see Figure 82 and Figure 85)
IIO=-5mA,
VDD-1.6
IIO=-2mA
VDD-0.8
02
46
8
10
Iio [mA]
0
0.5
1
1.5
2
2.5
Vol [V] at Vdd=5V
Ta=-40
°C
Ta=25
°C
Ta=85
°C
Ta=125
°C
0
5
10
15
20
25
30
Iio [mA]
0
0.5
1
1.5
2
Vol [V] at Vdd=5V
Ta=-40
°C
Ta=25
°C
Ta=85
°C
Ta=125
°C
-8
-6
-4
-2
0
Iio [mA]
1
2
3
4
5
6
Vdd-Voh [V] at Vdd=5V
Ta=-40
°C
Ta=25
°C
Ta=85
°C
Ta=125
°C
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