參數(shù)資料
型號(hào)： ST72141K2B3/XXX
廠商： STMICROELECTRONICS
元件分類(lèi)： 微控制器/微處理器
英文描述： 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP32
封裝： 0.400 INCH, PLASTIC, SDIP-32
文件頁(yè)數(shù)： 22/133頁(yè)
文件大?。?/td> 2615K
代理商： ST72141K2B3/XXX
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ST72141K2
118/133
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:
TJ =
TA + PD x RthJA
Where:
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
Ω 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
SDIP32
75
60
°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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