Datasheet

STM8AF52/62xx, STM8AF51/61xx Electrical characteristics
Doc ID 14395 Rev 9 59/110
10.3 Operating conditions
Figure 10. f
CPUmax
versus V
DD
Table 26. General operating conditions
Symbol Parameter Conditions Min Max Unit
f
CPU
Internal CPU clock frequency
1 wait state
T
A
= -40 °C to 150 °C
16 24
MHz
0 wait state
T
A
= -40 °C to 150 °C
016
V
DD/
V
DDIO
Standard operating voltage - 3.0 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 maximum
value 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 design of internal regulator.
-0.3
Ω
ESL of external capacitor - 15 nH
T
A
Ambient temperature
Suffix A
- 40
85
°C
Suffix B 105
Suffix C 125
Suffix D 150
T
J
Junction temperature range
Suffix A 90
Suffix B 110
Suffix C 130
Suffix D 155
f
CPU
[MHz]
Supply voltage [V]
24
12
8
4
0
3.0 4.0 5.0
Functionality
not guaranteed
in this area
16
5.5
Functionality guaranteed
@ T
A
-40 to 150 °C at 1 waitstate
Functionality guaranteed
@ T
A
-40 to 150 °C at 0 waitstate