Datasheet

STM809/810/811/812
12/18
Table 5. DC and AC Characteristics
Note: 1. Valid for Ambient Operating Temperature: T
A
= –40 to 85°C; V
CC
= 1.2V to 5.5V (except where noted).
2. For Active High (RST); V
CC
= V
RST
(max)
3. RST output for STM810/812
4. “Glitches” of 100ns or less typically will not generate a RESET pulse.
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
< 3.6V
5.5 10 µA
V
CC
< 5.5V
715µA
V
IH
MR Input High Voltage
V
CC
> V
RST
(max), STM8XXL/M
2.2 V
V
CC
> V
RST
(max), STM8XXR/S/T 0.7V
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 0.25V
CC
V
V
OL
RST Output Low Voltage
(Active High
(2)
or Low)
STM8XXR/S/T only, I
OL
= 1.2mA
V
CC
= V
RST
(min)
0.3 V
STM8XXL/M only, I
OL
= 3.2mA
V
CC
= V
RST
(min)
0.4 V
V
OL
RST Output Low Voltage
I
OL
= 50µA; V
CC
> 1.0V
0.3 V
V
OH
RST Output High Voltage
STM8XXR/S/T only, I
OH
= 500µA
0.8V
CC
V
STM8XXL/M only, I
OH
= 800µA
0.8V
CC
V
RST Output High Voltage
I
OH
= 150µA,
1.8V < V
CC
< V
RST
(min)
0.8V
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
= 3.3V
45
ppm/
C
V
CC
to RST Delay
V
CC
= V
RST
to (V
RST
–
100mV)
STM8XXL/M 40 µs
STM8XXR/S/T 20 µs
Push-Button RESET Input
t
MLMH
t
MR
MR Pulse Width 10 µs
t
MLRL
t
MRD
MR to RST Output Delay
(3)
0.5 µs
MR
Glitch Immunity
(4)
100 ns
MR
Pull-up Resistance 10 20 30 kΩ
t
rec
RST Pulse Width 140 210 280 ms