ST72681

Electrical characteristics

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7.2

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.

7.2.1

Voltage characteristics

7.2.2

Current characteristics

7.2.3

Thermal characteristics

Table 7.

Voltage characteristics

Symbol

Ratings

Maximum value

Unit

Supply voltage

4.0

V

(1) (2)

1.

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

Ω for RESET, 10kΩ for I/Os). For the same reason, unused I/O pins must

2.

Input voltage on any other pin

V

Electro-static discharge voltage (Human Body Model) See Section 7.6.3 on

page 21

Electro-static discharge voltage (Machine Model)

Table 8.

Current characteristics

Symbol

Ratings

Maximum value

Unit

(1)

1.

200

mA

(1)

200

(2)

2.

Refer to Table 5: General Purpose I/O Ports / Mass Storage I/Os for the output drive capability of each of

the I/Os.

Output current sunk by any I/O (type D2)

25

Output current sunk by any I/O (type D4)

35

Output current sunk by any I/O (type D8)

50

Output current source by any I/Os and control pin

-25

Table 9.

Thermal characteristics

Symbol

Ratings

Value

Unit

Storage temperature range

-65 to +150

°C

Maximum junction temperature

120

°C