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參數(shù)資料
型號: ST72124J2B7
廠商: 意法半導體
英文描述: 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
中文描述: 8位單電壓閃存,ADC和16位定時器,SPI和脊髓損傷界面微控制器
文件頁數(shù): 105/125頁
文件大?。?/td> 776K
代理商: ST72124J2B7
ST72334J/N, ST72314J/N, ST72124J
105/125
8 ELECTRICAL CHARACTERISTICS
8.1 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 V
I
and V
be higher than V
and lower than V
.
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
=
TA + PD x RthJA
Where:
T
A
=
Ambient Temperature.
RthJA =Package thermal resistance
(junction-to ambient).
P
D
=
P
INT
+ P
PORT
.
P
INT
= I
DD
xV
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 under these conditions is not implied. Exposure to maximum rating con-
ditions for extended periods may affect device reliability.
General Warning:
Directly connecting the RESET and I/O pins to V
or V
could damage the device if an unintentional internal reset is
generated or the program counter is corrupted (by an expected change to the I/O configuration). To guarantee safe op-
eration, this connection has to be done through a pull-up or pull-down resistor (10K
typical).
Thermal Characteristics
Symbol
Ratings
Value
Unit
V
DD
- V
SS
Supply voltage
Analog reference voltage
V
DDA
> V
SS
6.5
V
V
DDA
- V
SSA
6.5
V
|V
DD_i
- V
DD_j
|
|V
DD_i
- V
DDA
|
|V
SS_i
- V
SS_j
|
|V
SS_i
- V
SSA
|
V
IN
V
OUT
ESD
I
VDD_i
I
VSS_i
Max. variations (power line)
50
mV
Max. variations (ground line)
50
mV
Input voltage
Output voltage
ESD susceptibility
Total current into V
DD_i
(source)
Total current out of V
SS_i
(sink)
V
SS
- 0.3 to V
DD
+ 0.3
V
SS
- 0.3 to V
DD
+ 0.3
2000
150
150
V
V
V
mA
Symbol
Ratings
Value
Unit
R
thJA
Package thermal resistance
TQFP64
SDIP56
TQFP44
SDIP42
60
TBD
TBD
TBD
150
°
C/W
T
Jmax
T
STG
PD
Max. junction temperature
Storage temperature range
Power dissipation
°
C
°
C
mW
-65 to +150
500
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