Datasheet
Electrical characteristics STM8S003F3 STM8S003K3
66/103 DocID018576 Rev 5
9.3.6 I/O port pin characteristics
General characteristics
Subject to general operating conditions for V
DD
and T
A
unless otherwise specified. All
unused pins must be kept at a fixed voltage: using the output mode of the I/O for example or
an external pull-up or pull-down resistor.
Table 38. I/O static characteristics
Symbol Parameter Conditions Min Typ Max Unit
V
IL
Input low level
voltage
V
DD
= 5 V
-0.3 - 0.3 x V
DD
V
V
IH
Input high level
voltage
0.7 x V
DD
-V
DD
+ 0.3 V V
V
hys
Hysteresis
(1)
-700- mV
R
pu
Pull-up resistor V
DD
= 5 V, V
IN
= V
SS
30 55 80 kΩ
t
R
, t
F
Rise and fall time
(10% - 90%)
Fast I/Os
Load = 50 pF
--20
(2)
ns
Standard and high sink I/Os
Load = 50 pF
- - 125
(2)
ns
I
lkg
Input leakage
current,
analog and digital
V
SS
≤ V
IN
≤ V
DD
--±1µA
I
lkg ana
Analog input
leakage current
V
SS
≤ V
IN
≤ V
DD
--±250
(3)
nA
I
lkg(inj)
Leakage current in
adjacent I/O
Injection current ±4 mA - - ±1
(3)
µA
1. Hysteresis voltage between Schmitt trigger switching levels. Based on characterization results, not tested in production.
2. Data guaranteed by design, not tested in production.
3. Data based on characterization results, not tested in production.










