PCA8574A NXP [NXP Semiconductors], PCA8574A Datasheet - Page 14
![no-image](/images/no-image-200.jpg)
PCA8574A
Manufacturer Part Number
PCA8574A
Description
Remote 8-bit I/O expander for I2C-bus with interrupt
Manufacturer
NXP [NXP Semiconductors]
Datasheet
1.PCA8574A.pdf
(27 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PCA8574AD
Manufacturer:
INFINEON
Quantity:
1 240
Part Number:
PCA8574AD
Manufacturer:
NXP/恩智浦
Quantity:
20 000
Company:
Part Number:
PCA8574ADЈ¬518
Manufacturer:
NXP
Quantity:
3 000
Company:
Part Number:
PCA8574APW
Manufacturer:
NXP
Quantity:
2 241
Part Number:
PCA8574APW
Manufacturer:
NXP/恩智浦
Quantity:
20 000
Part Number:
PCA8574APW,118
Manufacturer:
NXP/恩智浦
Quantity:
20 000
Company:
Part Number:
PCA8574ATSЈ¬118
Manufacturer:
NXP
Quantity:
700
NXP Semiconductors
12. Static characteristics
Table 7.
V
[1]
[2]
[3]
PCA8574_PCA8574A_2
Product data sheet
Symbol
Supplies
V
I
I
V
Input SCL; input/output SDA
V
V
I
I
C
I/Os; P0 to P7
I
I
I
I
C
C
Interrupt INT (see
I
C
Inputs AD0, AD1, AD2
V
V
I
C
DD
stb
OL
L
OL
OL(tot)
OH
trt(pu)
OL
LI
DD
DD
POR
IL
IH
IL
IH
i
i
o
o
i
= 2.3 V to 5.5 V; V
The power-on reset circuit resets the I
Each bit must be limited to a maximum of 25 mA and the total package limited to 200 mA due to internal busing limits.
The value is not tested, but verified on sampling basis.
Parameter
supply voltage
supply current
standby current
power-on reset voltage
LOW-level input voltage
HIGH-level input voltage
LOW-level output current
leakage current
input capacitance
LOW-level output current
total LOW-level output current
HIGH-level output current
transient boosted pull-up current V
input capacitance
output capacitance
LOW-level output current
output capacitance
LOW-level input voltage
HIGH-level input voltage
input leakage current
input capacitance
Static characteristics
Figure 8
SS
= 0 V; T
and
amb
Figure
= 40 C to +85 C; unless otherwise specified.
2
C-bus logic with V
9)
Conditions
Operating mode; no load;
V
AD0, AD1, AD2 = static H or L
Standby mode; no load;
V
V
V
V
V
V
V
V
V
V
V
V
I
I
OL
OL
OL
I
I
OL
OL
OL
OL
OH
OH
OL
= V
= V
= V
= V
= 0.4 V; V
= 0.4 V; V
= 0.4 V; V
= 0.5 V; V
= 0.5 V; V
= 0.5 V; V
= 0.5 V; V
= 0.4 V
= V
= V
Rev. 02 — 14 May 2007
DD
DD
DD
SS
SS
SS
or V
or V
or V
DD
; see
< V
SS
SS
SS
DD
DD
DD
DD
DD
DD
DD
POR
; f
; f
Figure 8
SCL
Remote 8-bit I/O expander for I
SCL
= 2.3 V
= 3.0 V
= 4.5 V
= 2.3 V
= 3.0 V
= 4.5 V
= 4.5 V
and sets all I/Os to logic 1 (with current source to V
= 400 kHz;
= 0 kHz
[1]
[2]
[2]
[2]
[2]
[3]
[3]
Min
2.3
-
-
-
0.7V
20
25
30
-
12
17
25
-
-
-
3.0
-
0.7V
-
0.5
1
30
0.5
0.5
1
DD
DD
PCA8574/74A
Typ
-
200
4.5
1.8
-
-
35
44
57
-
5
26
33
40
-
2.1
2.1
-
3
-
-
-
3.5
138
1.0
2
C-bus with interrupt
© NXP B.V. 2007. All rights reserved.
Max
5.5
500
10
2.0
+0.3V
5.5
-
-
-
+1
10
-
-
-
200
-
10
10
-
5
+0.3V
5.5
+1
5
300
DD
DD
DD
).
14 of 27
Unit
V
V
V
V
mA
mA
mA
pF
mA
mA
mA
mA
mA
pF
pF
mA
pF
V
V
pF
A
A
A
A
A