Datasheet

Electrical characteristics STM8S001J3
42/84 DocID030584 Rev 2
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.
Figure 7. f
CPUmax
versus V
DD
Table 17. General operating conditions
Symbol Parameter Conditions Min Max Unit
f
CPU
Internal CPU clock frequency - 0 16 MHz
V
DD
Standard operating voltage - 2.95 5.5 V
V
CAP
(1)
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 must be
respected for the full application range.
C
EXT
: capacitance of external
capacitor
- 470 3300 nF
ESR of external capacitor
At 1 MHz
(2)
2. This frequency of 1 MHz as a condition for V
CAP
parameters is given by the design of the internal regulator.
-0.3ohm
ESL of external capacitor - 15 nH
P
D
(3)
3. To calculate P
Dmax
(T
A
), use the formula P
Dmax
= (T
Jmax
- T
A
)/Θ
JA
(see Section 10.2: Thermal
characteristics on page 78) with the value for T
Jmax
given in Table 17 above and the value for Θ
JA
given in
Table 49: Thermal characteristics.
Power dissipation at
T
A
= 125° C
SO8N - 49 mW
T
A
Ambient temperature Maximum power dissipation -40 125
°C
T
J
Junction temperature range - -40 130
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