STM8S105C4 datasheet(55/121 Pages) STMICROELECTRONICS

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STM8S105x4/6

Electrical characteristics

Figure 11. fCPUmax versus VDD

Ambient temperature for suffix

6 version

Maximum power

dissipation

-40

°C

Ambient temperature for suffix

3 version

Maximum power

dissipation

-40

125

Junction temperature range

Suffix 6 version

-40

105

Suffix 3 version

-40

130

1. Care should be taken when selecting the capacitor, due to its tolerance, as well as the parameter

dependency on temperature, DC bias and frequency in addition to other factors. The parameter maximum

value must be respected for the full application range.

2. This frequency of 1 MHz as a condition for VCAP parameters is given by design of internal regulator.

3. To calculate PDmax(TA), use the formula PDmax=(TJmax- TA)/JA (see Section 12: Thermal characteristics)

with the value for TJmax given in the previous table and the value for JA given in Section 12: Thermal

characteristics

4. See Section 12: Thermal characteristics.

Table 19. Operating conditions at power-up/power-down

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

tVDD

VDD rise time rate

2(1)



µs/V

VDD fall time rate

2(1)



tTEMP

Reset release delay

VDD rising

1.7(1)

Table 18. General operating conditions (continued)

Symbol

Parameter

Conditions

Min

Max

Unit

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