ST7LNB1Y0 datasheet(21/36 Pages) STMICROELECTRONICS

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ST7LNB1Y0

Electrical characteristics

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5.1.5

Pin input voltage

The input voltage measurement on a pin of the device is described in Figure 10.

Figure 10.

Pin input voltage

5.2

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 18.

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.

When the current limitation is not possible, the VIN absolute maximum rating must be respected, otherwise

refer to IINJ(PIN) specification. 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 5.5.3: Absolute

maximum ratings (electrical

sensitivity)

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