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參數(shù)資料
| 型號： | ST72331 |
| 廠商： | 意法半導體 |
| 英文描述： | 8-Bit MCU with 8 to 16K ROM/OTP/EPROM, 256 EEPROM, 384 to 512 Bytes RAM, ADC, WDG, SCI, SPI and 2 Timers(8位微控制器(8M)) |
| 中文描述： | 8位微控制器與8至16K的光碟/雙層/存儲器，256的EEPROM，384字節(jié)RAM為512，藝發(fā)局，水分散粒劑，脊髓損傷，SPI和2計時器（8位微控制器（8米）） |
| 文件頁數(shù)： | 83/98頁 |
| 文件大?。?/td> | 1123K |
| 代理商： | ST72331 |
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83/98
ST72331
6 ELECTRICAL CHARACTERISTICS
6.1 ABSOLUTE MAXIMUM RATINGS
This product contains devices to protect the inputs
against damage due to high static voltages, how-
ever it is advisable to take normal precaution to
avoid application of any voltage higher than the
specified maximum rated voltages.
For proper operation it is recommended that V
I
and V
O
be higher than V
SS
and lower than V
DD
.
Reliability is enhanced if unused inputs are con-
nected to an appropriate logic voltage level (V
DD
or V
SS
).
Power Considerations
.The average chip-junc-
tion temperature, T
J
, in Celsius can be obtained
from:
T
J
=
Where: T
A
=
Ambient Temperature.
RthJA = Package thermal resistance
(junction-to ambient).
P
D
=
P
INT
+ P
PORT
.
P
INT
=
I
DD
x V
DD
(chip internal power).
P
PORT
=Port power dissipation
determined by the user)
Note:
Stresses above those listed as “absolute maximum ratings” may cause permanent damage to the device. This is
a stress rating only and functional operation of the device at these conditions is not implied. Exposure to maximum
rating conditions for extended periods may affect device reliability.
Symbol
V
DD
V
DDA
V
I
Parameter
Value
-0.3 to 6.0
Unit
V
V
V
Digital Supply Voltage
Analog Supply and Reference Voltage
Input Voltage
V
DD
- 0.3 to V
DD
+ 0.3
V
SS
- 0.3 to V
DD
+ 0.3
V
SS
- 0.3 to V
DD
+ 0.3
V
SSA
-0.3 to V
DDA
+0.3
V
SS
- 0.3 to V
DD
+ 0.3
100
100
150
-60 to 150
V
AI
Analog Input Voltage (A/D Converter)
V
V
O
IV
DD
IV
SS
T
J
T
STG
Output Voltage
Total Current into V
DD
(source)
Total Current out of V
SS
(sink)
Junction Temperature
Storage Temperature
V
mA
mA
°C
°C
145
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|---|---|
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