Electrical characteristics
STM8S103xx, STM8S105xx
7.3.2
Reset pin characteristics
Subject to general operating conditions for VDD and TA unless otherwise specified.
Table 18. NRST pin characteristics(1)
Symbol
Parameter
Conditions Min Typ Max
1)
VIL(NRST) NRST Input low level voltage (2)
VIH(NRST) NRST Input high level voltage (2)
VOL(NRST) NRST Output low level voltage (2) IOL=TBD mA
RPU(NRST) NRST Pull-up resistor (3)
VF(NRST) NRST Input filtered pulse (4)
VNF(NRST) NRST Input not filtered pulse (4)
1. TBD = to be determined.
2. Data based on characterization results, not tested in production.
3. The RPU pull-up equivalent resistor is based on a resistive transistor
4. Data guaranteed by design, not tested in production.
VSS
TBD
30
40
TBD
TBD
TBD
VDD
TBD
60
Figure 26. Typical NRST VIL and VIH vs VDD @ 4 temperatures
6
5
4
-40°C
25°C
85°C
125°C
Unit
V
kΩ
ns
µs
3
2
1
0
2.5
3
3.5
4
4.5
5
5.5
6
VDD [V]
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