Datasheet

DC and AC parameters STM809/810/811/812
14/21 Doc ID 9873 Rev 5
Table 5. DC and AC characteristics
Sym
Alter-
native
Description Test condition
(1)
Min Typ Max Unit
V
CC
Operating voltage
T
A
= –40 to +85 °C 1.2 5.5 V
T
A
= 0 to +70 °C 1.0 5.5 V
I
CC
V
CC
supply current
V
CC
< 3.6 V 5.5 10 µA
V
CC
< 5.5 V 7 15 µA
V
IH
MR input high voltage
V
CC
> V
RST
(max), STM8XXL/M 2.2 V
V
CC
> V
RST
(max), STM8XXR/S/T 0.7 V
CC
V
V
IL
MR input low voltage
V
CC
> V
RST
(max), STM8XXL/M 0.8 V
V
CC
> V
RST
(max), STM8XXR/S/T 0.25 V
CC
V
V
OL
RST output low voltage
(active high
(2)
or low)
STM8XXR/S/T only,
I
OL
= 1.2 mA
V
CC
= V
RST
(min)
0.3 V
STM8XXL/M only,
I
OL
= 3.2 mA
V
CC
= V
RST
(min)
0.4 V
V
OL
RST output low voltage I
OL
= 50 µA; V
CC
> 1.0 V 0.3 V
V
OH
RST output high voltage
STM8XXR/S/T only,
I
OH
= 500 µA
0.8 V
CC
V
STM8XXL/M only,
I
OH
= 800 µA
0.8 V
CC
V
RST output high voltage
I
OH
= 150 µA,
1.8 V < V
CC
< V
RST
(min)
0.8 V
CC
V
Reset thresholds
V
RST
Reset threshold
STM8XXL
25 °C 4.56 4.63 4.70 V
–40 to 85 °C 4.50 4.75 V
STM8XXM
25 °C 4.31 4.38 4.45 V
–40 to 85 °C 4.25 4.50 V
STM8XXT
25 °C 3.04 3.08 3.11 V
–40 to 85 °C 3.00 3.15 V
STM8XXS
25 °C 2.89 2.93 2.96 V
–40 to 85 °C 2.85 3.00 V
STM8XXR
25 °C 2.59 2.63 2.66 V
–40 to 85 °C 2.55 2.70 V
V
RST
temperature
coefficient
V
CC
= 3.3 V 45
ppm/
°C
V
CC
to RST delay
V
CC
= V
RST
to
(V
RST
– 100 mV)
STM8XXL/M 40 µs
STM8XXR/S/T 20 µs