Datasheet

Operating conditions10.3
Table 21: General operating conditions
UnitMaxMinConditionsParameterSymbol
MHz160Internal CPU clock frequencyf
CPU
V5.52.95Standard operating voltageV
DD
nF3300470
C
EXT
: capacitance of external
capacitor
VCAP
(1)
Ω0.3-at 1 MHz
(2)
ESR of external capacitor
nH15-ESL of external capacitor
mW182-TSSOP20Power dissipation at T
A
= 85 °C
for suffix 6
P
D
(3)
1000-SO20W
198-UFQFPN20
333-LQFP32
526-UFQFPN32
333-SDIP32
45-TSSOP20Power dissipation at T
A
= 125
°C for suffix 3
250-SO20W
49-UFQFPN20
83-LQFP32
132-UFQFPN32
83-SDIP32
°C85-40Maximum power dissipationAmbient temperature for 6 suffix
version
T
A
125-40Maximum power dissipationAmbient temperature for 3 suffix
version
105-406 suffix versionJunction temperature rangeT
J
130-403 suffix version
(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
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Electrical characteristicsSTM8S903K3 STM8S903F3