Electrical characteristics
STM8S003F3 STM8S003K3
9.3.6
I/O port pin characteristics
General characteristics
Subject to general operating conditions for V and T unless otherwise specified. All
DD
A
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
Input low level
voltage
VIL
-0.3
-
0.3 x VDD
V
Input high level
voltage
VDD = 5 V
VIH
0.7 x VDD
-
VDD + 0.3 V
V
Vhys
Rpu
Hysteresis(1)
-
700
55
-
mV
Pull-up resistor
VDD = 5 V, VIN = VSS
30
80
kΩ
Fast I/Os
Load = 50 pF
-
-
-
-
20(2)
ns
ns
Rise and fall time
(10% - 90%)
tR, tF
Standard and high sink I/Os
Load = 50 pF
125(2)
Input leakage
current,
analog and digital
Ilkg
VSS ≤ VIN ≤ VDD
-
-
±1
µA
Analog input
leakage current
Ilkg ana
Ilkg(inj)
VSS ≤ VIN ≤ VDD
-
-
-
-
±250 (3)
±1(3)
nA
µA
Leakage current in
adjacent I/O
Injection current ±4 mA
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.
66/103
DocID018576 Rev 5
STMICROELECTRONICS [ ST ]
