Datasheet

STM8AF52/62xx, STM8AF51/61xx Electrical characteristics
Doc ID 14395 Rev 9 75/110
10.3.7 Reset pin characteristics
Subject to general operating conditions for V
DD
and T
A
unless otherwise specified.
Figure 35. Typical NRST V
IL
and V
IH
vs V
DD
@ four temperatures
Table 41. NRST pin characteristics
Symbol Parameter Conditions Min Typ Max Unit
V
IL(NRST)
NRST low-level input voltage
(1)
1. Data based on characterization results, not tested in production.
—V
SS
— 0.3 x V
DD
—
V
IH(NRST)
NRST high-level input voltage
(1)
— 0.7 x V
DD
—V
DD
V
OL(NRST)
NRST low-level output voltage
(1)
I
OL
= 3 mA — 0.6 V
R
PU(NRST)
NRST pull-up resistor — 30 40 60 kΩ
t
IFP
NRST input filtered pulse
(1)
—85—315ns
t
IFP(NRST)
NRST Input not filtered pulse
duration
(2)
2. Data guaranteed by design, not tested in production.
500 ns
0
1
2
3
4
5
6
2.5 3 3.5 4 4.5 5 5.5 6
V
DD
[V]
V
IL
/ V
IH
[V]
-40°C
25°C
85°C
125°C