Datasheet

Electrical characteristics STM8S105x4/6
78/121 DocID14771 Rev 15
10.3.8 Reset pin characteristics
Subject to general operating conditions for V
DD
and T
A
unless otherwise specified.
Figure 37. Typical NRST V
IL
and V
IH
vs V
DD
@ 4 temperatures
Table 41. NRST pin characteristics
Symbol Parameter Conditions Min Typ Max Unit
V
IL(NRST)
NRST input low level voltage
(1)
1. Data based on characterization results, not tested in production.
--0.3-
0.3 x V
DD
V
V
IH(NRST)
NRST input high level voltage
(1)
I
OL
= 2 mA
0.7 x V
DD
-
V
DD
+ 0.3
V
OL(NRST)
NRST output low level voltage
(1)
I
OL
= 3 mA - - 0.5
R
PU(NRST)
NRST pull-up resistor
(2)
2. The R
PU
pull-up equivalent resistor is based on a resistive transistor.
-305580k
t
IFP(NRST)
NRST input filtered pulse
(3)
---75
ns
t
INFP(NRST)
NRST Input not filtered pulse
(3)
3. Data guaranteed by design, not tested in production.
-500--
t
OP(NRST)
NRST output pulse
(3)
-20--µs