Electrical characteristics
STM8S105xx
Symbol
fCPU
Table 19: General operating conditions
Parameter
Conditions
Min Max Unit
Internal CPU clock
frequency
0
16 MHz
VDD/ VDD_IO
Standard operating
voltage
2.95 5.5 V
VCAP
CexEtXeTr:ncaal pcaapciatacnitocer(1o)f at 1 MHz
470 3300 nF
ESR of external
capacitor(1)
0.3 Ohm
PD (2)
ESL of external
capacitor(1)
Power dissipation at
TA = 85 °C for suffix
6or TA= 125° C for
suffix 3
44 and 48-pin devices,
with output on eight
standard ports, two high
sink ports and two open
drain ports
simultaneously(3)
15 nH
443 mW
32-pin package, with
360
output on eight standard
ports and two high sink
ports simultaneously(3)
TA
Ambient temperature Maximum power
-40 85 °C
for 6 suffix version
dissipation
Ambient temperature Maximum power
for 3 suffix version
dissipation
-40 125
TJ
Junction temperature 6 suffix version
-40 105
range
3 suffix version
-40 130(4)
(1) Care should be taken when selecting the capacitor, due to its tolerance, as well as its
dependency on temperature, DC bias and frequency in addition to other factors.
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