参数资料
型号: ST72652C4T1/XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, MICROCONTROLLER, PQFP48
封装: 7 X 7 MM, ROHS COMPLIANT, TQFP-48
文件页数: 43/161页
文件大小: 2656K
代理商: ST72652C4T1/XXX
ST72651AR6
137/161
Doc ID 7215 Rev 4
I/O PORT PIN CHARACTERISTICS (Cont’d)
13.8.2 Output Driving Current
Subject to general operating conditions for VDD, fOSC, and TA unless otherwise specified.
Figure 79. Typical VOL at VDD=5V (standard)
Figure 80Typical VDD-VOH at VDD=5V
Figure 81. Typical VOL at VDD=5V (high-sink)
Notes:
1. The IIO current sunk must always respect the absolute maximum rating specified in Section 13.2.2 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 13.2.2 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
=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
1.3
IIO=+8mA
0.6
VOH
2)
Output high level voltage for an I/O pin
when 8 pins are sourced at same time
IIO=-5mA
VDD-1.4
IIO=-2mA
VDD-0.7
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0123456
7
Iol (mA)
Vol
(V)
0
0.2
0.4
0.6
0.8
1
1.2
0
123
4
567
-Ioh (mA)
Vdd-
Voh
(
V
)
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0
5
10
15
20
25
30
Iol (mA)
Vo
l(V)
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