STM1810/1811/1812/1813/1815/1816/1817/1818 DC and AC parameters
Doc ID11464 Rev 8 19/25
Table 9. DC and AC characteristics
Sym.
Alter-
native
Description Test condition
(1)
Min. Typ. Max. Unit
V
CC
Operating voltage
T
A
= 0 to +105 °C 1.0 5.5 V
T
A
= –40 to +105 °C 1.2 5.5 V
I
CC
V
CC
supply current
V
CC
= 3.6 V, no load 4 10 µA
V
CC
= 5.5 V, no load 9 16 µA
V
IH
Input high voltage STM1813/1818 only
0.7
V
CC
V
V
IL
Input low voltage STM1813/1818 only 0.4 V
V
OH
Output high voltage 0 < I
OH
< 500 µA
V
CC
– 0.5
V
CC
– 0.1
V
I
OH
RST output source current
V
CC
≥
V
RST
(max.), reset not asserted
(STM1810/STM1815)
350 µA
RST output source current
V
CC
≤
V
RST
(min.), reset asserted
(STM1812/STM1817)
350 µA
I
OL
RST output sink current
V
CC
≥
2.7 V, reset asserted,
V
OUT
= 0.4 V
(STM1810/1811/1813/1815/1816/1818)
10 mA
RST output sink current
V
CC
≥
2.7 V, reset not asserted,
V
OUT
= 0.4 V, (STM1812/1817)
10 mA
C
OUT
Output capacitance
(2)
10 pF
Reset thresholds
V
RST
Reset threshold
STM181xL
25 °C 4.62 V
–40 to 105 °C 4.50 4.75 V
STM181xM
25 °C 4.37 V
–40 to 105 °C 4.25 4.49 V
STM181xT
25 °C 3.06 V
–40 to 105 °C 2.98 3.15 V
STM181xS
25 °C 2.88 V
–40 to 105 °C 2.80 2.97 V
STM181xR
25 °C 2.55 V
–40 to 105 °C 2.47 2.64 V
t
RD
V
CC
to RST delay
V
CC
= (V
TH
+ 100 mV) falling to
(V
TH
– 200 mV)
25µs
t
rec
RST pulse width V
CC
Rising 100 150 200 ms
Push-button reset detect (STM1813, STM1818)
t
PB
Push-button detect to RST STM1813/1818 1.5 µs
t
PBRST
Push-button RST time-out From rising edge 100 150 200 ms
Internal pull-up resistance
STM1811/1816 3.5 5.5 7.5 kΩ
STM1813/1818 3.1 5.5 7.5 kΩ
1. Valid for ambient operating temperature: T
A
= –40 °C to 105 °C; V
CC
= 1.2 V to 5.5 V (except where noted).
2. The STM1811/1813/1816/1818 have an internal pull-up resistor which may sink 1 mA of current.
