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參數(shù)資料
| 型號： | ST7LITE19F1M6 |
| 英文描述： | ST7LITE1 - 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY.DATA EEPROM. ADC. 4 TIMERS. SPI |
| 中文描述： | ST7LITE1 - 8單電壓閃存EEPROM的MEMORY.DATA位MCU。 ADC的。 4定時器。的SPI |
| 文件頁數(shù)： | 79/122頁 |
| 文件大小： | 1716K |
| 代理商： | ST7LITE19F1M6 |
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ST7LITE0, ST7SUPERLITE
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13.2 ABSOLUTE MAXIMUM RATINGS
Stresses above those listed as “absolute maxi-
mum ratings” may cause permanent damage to
the device. This is a stress rating only and func-
tional operation of the device under these condi-
13.2.1 Voltage Characteristics
tions is not implied. Exposure to maximum rating
conditions for extended periods may affect device
reliability.
13.2.2 Current Characteristics
13.2.3 Thermal Characteristics
Notes:
1. Directly connecting the RESET and I/O pins to V
or V
could damage the device if an unintentional internal reset
is generated or an unexpected change of the I/O configuration occurs (for example, due to a corrupted program counter).
To guarantee safe operation, this connection has to be done through a pull-up or pull-down resistor (typical: 4.7k
for
RESET, 10k
for I/Os). Unused I/O pins must be tied in the same way to V
DD
or V
SS
according to their reset configuration.
2. When the current limitation is not possible, the V
absolute maximum rating must be respected, otherwise refer to
I
INJ(PIN)
specification. A positive injection is induced by V
IN
>V
DD
while a negative injection is induced by V
IN
<V
SS
.
3. All power (V
DD
) and ground (V
SS
) lines must always be connected to the external supply.
4. Negative injection disturbs the analog performance of the device. In particular, it induces leakage currents throughout
the device including the analog inputs. To avoid undesirable effects on the analog functions, care must be taken:
- Analog input pins must have a negative injection less than 0.8 mA (assuming that the impedance of the analog voltage
is lower than the specified limits)
- Pure digital pins must have a negative injection less than 1.6mA. In addition, it is recommended to inject the current as
far as possible from the analog input pins.
5. When several inputs are submitted to a current injection, the maximum
Σ
I
is the absolute sum of the positive
and negative injected currents (instantaneous values). These results are based on characterisation with
Σ
I
INJ(PIN)
maxi-
mum current injection on four I/O port pins of the device.
6. True open drain I/O port pins do not accept positive injection.
Symbol
Ratings
Maximum value
Unit
V
DD
- V
SS
V
IN
V
ESD(HBM)
V
ESD(MM)
Supply voltage
Input voltage on any pin
1) & 2)
Electrostatic discharge voltage (Human Body Model)
Electrostatic discharge voltage (Machine Model)
7.0
V
V
SS
-0.3 to V
DD
+0.3
see
section 13.7.2 on page 91
Symbol
Ratings
Maximum value
Unit
I
VDD
I
VSS
Total current into V
DD
power lines (source)
3)
Total current out of V
SS
ground lines (sink)
3)
Output current sunk by any standard I/O and control pin
Output current sunk by any high sink I/O pin
Output current source by any I/Os and control pin
Injected current on RESET pin
Injected current on any other pin
5) & 6)
Total injected current (sum of all I/O and control pins)
5)
100
100
25
50
- 25
± 5
± 5
± 20
mA
I
IO
I
INJ(PIN) 2) & 4)
Σ
I
INJ(PIN) 2)
Symbol
Ratings
Value
Unit
T
STG
T
J
Storage temperature range
Maximum junction temperature (see
Section 14.2 THERMAL CHARACTERISTICS
)
-65 to +150
°C
1
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