QST104 STMicroelectronics, QST104 Datasheet - Page 34

• Manufacturer Part Number: QST104
• Description: Capacitive touch sensor device 4 keys
• Manufacturer: STMicroelectronics

Electrical characteristics
6.6
6.6.1
6.6.2
34/45
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
Symbol
V
V
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
(2)(3)
(2)(3)
IH
IO
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
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
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 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
= +8mA
= +8mA
=
= -5mA
= -2mA
= -2mA
= -2mA
V
0.7x V
A
SS
Min.
unless otherwise specified.
−0.3
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
www.DataSheet4U.com
Table 22
0.3x V
V
Max.
0.75
and the sum
Max.
1.3
0.5
0.6
0.3
DD
±1
and the
+
DD
QST104
Unit
Unit
mV
V
μA
pF
ns
V