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参数资料
型号： ST72T141K2MAE
厂商： STMICROELECTRONICS
元件分类： 微控制器/微处理器
英文描述： 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDSO34
封装： 0.300 INCH, LEAD FREE, PLASTIC, SOP-34
文件页数： 21/131页
文件大小： 3096K
代理商： ST72T141K2MAE
ST72141K2-Auto
117/131
10 ELECTRICAL CHARACTERISTICS
10.1 ABSOLUTE MAXIMUM RATINGS
This product contains devices for protecting the in-
puts against damage due to high static voltages,
however it is advisable to take normal precautions
to avoid applying any voltage higher than the
specified maximum rated voltages.
For proper operation it is recommended that VI
and VO be higher than VSS and lower than VDD.
Reliability is enhanced if unused inputs are con-
nected to an appropriate logic voltage level (VDD
or VSS).
Power Considerations. The average chip-junc-
tion temperature, TJ, in Celsius can be obtained
from:
Where:
TJ =TA + PD x RthJA
TA =
Ambient temperature
RthJA = Package thermal resistance
(junction-to ambient)
PD =
PINT + PPORT
PINT =IDD x VDD (chip internal power)
PPORT =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 condi-
tions for extended periods may affect device reliability.
General Warning:
Direct connection to VDD or VSS of the RESET and I/O pins could damage the device in case of unintentional internal
reset generation or program counter corruption (due to unwanted change of the I/O configuration). To guarantee safe
conditions, this connection has to be done through a 10k
typical pull-up or pull-down resistor.
Thermal Characteristics
Symbol
Ratings
Value
Unit
VDD - VSS
Supply voltage
6.5
V
VIN
Input voltage on true open drain pin
VSS - 0.3 to 6.5
V
Input voltage on any other pin
VSS - 0.3 to VDD + 0.3
VOUT
Output voltage
VSS - 0.3 to VDD + 0.3
V
ESD
ESD susceptibility
2000
V
IVDD_i
Total current into VDD_i (source)
80
mA
IVSS_i
Total current out of VSS_i (sink)
80
Symbol
Ratings
Value
Unit
RthJA
Package thermal resistance
SO34
75
°C/W
TJmax
Max. junction temperature
150
°C
TSTG
Storage temperature range
-65 to +150
°C
PD
Power dissipation
500
mW
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