
13.3 OPERATING CONDITIONS
13.3.1 General operating conditions
TA = -40 to +85°C unless otherwise specified.
Symbol
Parameter
Conditions
VDD
fCPU
Supply voltage
CPU clock frequency
fCPU = 4 MHz. max.,
fCPU = 8 MHz. max.
3.3V≤ VDD≤5.5V
2.4V≤VDD<3.3V
ST7LITE2
Min
Max
2.4
5.5
3.3
5.5
up to 8
up to 4
Unit
V
MHz
Figure 52. fCPU Maximum operating frequency versus VDD supply voltage
fCPU [MHz]
8
FUNCTIONALITY
NOT GUARANTEED
IN THIS AREA
4
FUNCTIONALITY
GUARANTEED
IN THIS AREA
(UNLESS OTHERWISE
STATED IN THE
TABLES OF
PARAMETRIC DATA)
2
0
2.0
2.4 2.7 3.3
3.5
4.0
SUPPLY VOLTAGE [V]
4.5
5.0
5.5
93/133
1