Datasheet

Electrical characteristics STM8S003F3 STM8S003K3
66/103 DS7147 Rev 10
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.
2. Data guaranteed by design.
3. Data based on characterization results.