QST108 STMicroelectronics, QST108 Datasheet - Page 35

• Manufacturer Part Number: QST108
• Description: Capacitive Touch Sensor Device 8 Keys With Individual Key State Outputs Or I2c Interface
• Manufacturer: STMicroelectronics

QST108
6.6
6.6.1
6.6.2
KOUTn/OPTn/GPOn pin characteristics
General characteristics
Subject to general operating conditions for V
Table 27.
1. Not tested in production, guaranteed by characterization.
2. Data based on validation/design results.
Output pin characteristics
Subject to general operating conditions for V
Table 28.
1. The I
2. The I
3. Not tested in production, based on characterization results.
V
V
V
V
Symbol
Symbol
t
t
V
V
OH
OH
f(IO)out
r(IO)out
OL
OL
V
C
OH
V
OL
V
of I
sum of I
Hys
I
(1)(3)
(1)(3)
L
IH
IO
(2)(3)
(2)(3)
IL
(1)
(2)
IO
IO
IO
(I/O ports and control pins) must not exceed I
current sunk must always respect the absolute maximum rating specified in
current sourced must always respect the absolute maximum rating specified in
IO
Input low level voltage
Input high level voltage
Schmitt trigger voltage hysteresis
Input leakage current
I/O pin capacitance
Output high to low level fall time
Output low to high level rise time
Output low level voltage for a high sink I/O
pin when 4 pins are sunk at same time (see
Figure
Output high level voltage for an I/O pin when
4 pins are sourced at same time (see
Figure
Output low level voltage for a high sink I/O
pin when 4 pins are sunk at same time
Output high level voltage for an I/O pin when
4 pins are sourced at same time
Output low level voltage for a high sink I/O
pin when 4 pins are sunk at same time
Output high level voltage for an I/O pin when
4 pins are sourced at same time
(output and RESET pins) must not exceed I
General characteristics
Output pin current
14)
19)
Parameter
Parameter
(1)
(1)
(2)
(Figure
(2)
(2)
V
C
Between 10%
and 90%
VSS
DD
DD
SS
L
Conditions
17)
VDD
= 50 pF
, f
.
and T
≤
CPU
V
..
IN
Conditions
, and T
≤
A
V
I
+20mA
I
I
I
I
I
I
I
IO
IO
IO
IO
IO
IO
IO
IO
unless otherwise specified.
DD
=
= +8mA
= -5mA
= -2mA
= +8mA
= -2mA
= +8mA
= -2mA
0.7x V
V
A
SS
Min.
unless otherwise specified.
−0.3
Electrical characteristics
DD
V
V
V
V
DD
DD
DD
DD
Min.
Typ.
400
−1.5
−0.8
−0.8
−0.9
Table 22
25
25
5
Table 22
0.3x V
V
Max.
0.75
and the sum
Max.
1.3
0.5
0.6
DD
0.3
±1
and the
+
DD
Unit
Unit
35/47
mV
V
μA
pF
ns
V