ST7LUS5 datasheet(91/124 Pages) STMICROELECTRONICS

91 / 124 page

ST7LUS5, ST7LU05, ST7LU09

Electrical characteristics

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12.1.5

Pin input voltage

The input voltage measurement on a pin of the device is described in Figure 36.

Figure 36.

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.

VIN

ST7 PIN

Table 61.

Voltage characteristics

Symbol

Ratings

Maximum value

Unit

VDD - VSS

Supply voltage

7.0

VIN

Input voltage on any pin (1)(2)

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: 10k

Ω for I/Os). Unused I/O pins

must be tied in the same way to VDD or VSS according to their reset configuration.

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 on page 102

VESD(MM)

Electrostatic discharge voltage (Machine

Model)

see Section 12.7.2 on page 102

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