STM8S005C6 datasheet(46/97 Pages) STMICROELECTRONICS

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Electrical characteristics

STM8S005C6 STM8S005K6

46/97

DocID022186 Rev 4

9.3

Operating conditions

The device must be used in operating conditions that respect the parameters in Table 17. In

addition, full account must be taken of all physical capacitor characteristics and tolerances.

Table 17. General operating conditions

Symbol

Parameter

Conditions

Min

Max

Unit

fCPU

Internal CPU clock frequency

MHz

VDD/VDD_IO Standard operating voltage

2.95

5.5

VCAP

(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

specifications must be respected for the full application range.

CEXT: capacitance of external

capacitor

470

3300

ESR of external capacitor

At 1 MHz(2)

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

-0.3

ohm

ESL of external capacitor

(3)

To calculate PDmax(TA), use the formula PDmax = (TJmax - TA)/JA (see Section 10.3: Thermal

characteristics on page 91) with the value for TJmax given in Table 17 above and the value for JA given in

Table 52: Thermal characteristics.

Power dissipation at



TA = 85° C for suffix 6

48-pin devices, with output

on eight standard ports, two

high sink ports and two open

drain ports simultaneously(4)

Refer to Section 10.3: Thermal characteristics on page 91 for the calculation method.

443

32-pin devices, with output

on eight standard ports and

two high sink ports

simultaneously(4)

360

Ambient temperature for 6

suffix version

Maximum power dissipation

-40

°C

Junction temperature range

-40

105

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