STM8S003F3 STM8S003K3
Electrical characteristics
9.3
Operating conditions
The device must be used in operating conditions that respect the parameters in Table 19. In
addition, full account must be taken of all physical capacitor characteristics and tolerances.
Table 19. General operating conditions
Symbol
Parameter
Conditions
Min
Max
Unit
fCPU
Internal CPU clock frequency
-
-
0
16
MHz
V
VDD/VDD_IO Standard operating voltage
2.95
5.5
CEXT: capacitance of external
capacitor
-
470
3300
nF
(1)
VCAP
ESR of external capacitor
ESL of external capacitor
-
-
-
-
-
0.3
15
ohm
nH
At 1 MHz(2)
TSSOP20
UFQFPN20
LQFP32
238
220
330
Power dissipation at
TA = 85° C for suffix 6
(3)
PD
mW
°C
Ambient temperature for 6
suffix version
TA
TJ
Maximum power dissipation
-
-40
-40
85
Junction temperature range
105
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.
2. This frequency of 1 MHz as a condition for VCAP parameters is given by the design of the internal regulator.
3. To calculate PDmax(TA), use the formula PDmax = (TJmax - TA)/ΘJA (see Section 10.4: Thermal
characteristics on page 97) with the value for T
Table 55: Thermal characteristics.
given in Table 19 above and the value for ΘJA given in
Jmax
Figure 9. f
versus V
DD
CPUmax
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