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ST7LITEUS2 Datasheet(PDF) 93 Page - STMicroelectronics

Part # ST7LITEUS2
Description  Interrupt management
PDF  136 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7LITEUS2 Datasheet(HTML) 93 Page - STMicroelectronics

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ST7LITEUS2, ST7LITEUS5
Electrical characteristics
93/136
12.1.5
Pin input voltage
The input voltage measurement on a pin of the device is described in Figure 38.
Figure 38.
Pin input voltage
12.2
Absolute maximum ratings
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 conditions for extended periods may
affect device reliability.
1. Directly connecting the I/O pins to VDD or VSS could damage the device if 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: 10 k
Ω for I/Os). Unused I/O pins must be tied in the same way to V
DD or
VSS according to their reset configuration.
VIN
ST7 PIN
Table 43.
Voltage characteristics
Symbol
Ratings
Maximum value
Unit
VDD - VSS
Supply voltage
7.0
V
VIN
Input voltage on any pin(1)
1.
IINJ(PIN) must never be exceeded. This is implicitly insured if VIN maximum is respected. If VIN maximum
cannot be respected, the injection current must be limited externally to the IINJ(PIN) value. A positive
injection is induced by VIN>VDD while a negative injection is induced by VIN<VSS.
VSS-0.3 to VDD+0.3
VESD(HBM)
Electrostatic discharge voltage (Human Body
Model)
see Section 12.7.2
VESD(MM)
Electrostatic discharge voltage (Machine
Model)
see Section 12.7.2
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