参数资料
型号: ST72C334N4B3XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDIP56
封装: 0.600 INCH, PLASTIC, SDIP-56
文件页数: 34/153页
文件大小: 2235K
代理商: ST72C334N4B3XXX
ST72334J/N, ST72314J/N, ST72124J
129/153
I/O PORT PIN CHARACTERISTICS (Cont’d)
16.8.2 Output Driving Current
Subject to general operating conditions for VDD, fOSC, and TA unless otherwise specified.
Figure 84. Typical VOL at VDD=5V (standard)
Figure 85. Typical VOL at VDD=5V (high-sink)
Figure 86. Typical VOH at VDD=5V
Notes:
1. The IIO current sunk must always respect the absolute maximum rating specified in Section 16.2.2 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 16.2.2 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
V
DD
=5
V
IIO=+5mA TA≤85°C
TA≥85°C
1.3
1.5
V
IIO=+2mA TA≤85°C
TA≥85°C
0.65
0.75
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
1.5
1.7
IIO=+8mA TA≤85°C
TA≥85°C
0.75
0.85
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-1.6
VDD-1.7
IIO=-2mA
TA≤85°C
TA≥85°C
VDD-0.8
VDD-1.0
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
Voh [V] at Vdd=5V
Ta=-40°C
Ta=25°C
Ta=85°C
Ta=125°C
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