NXP Semiconductors
PCF8574; PCF8574A
Remote 8-bit I/O expander for I
2
C-bus with interrupt
11. Limiting values
Table 7.
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
V
DD
I
DD
I
SS
V
I
I
I
I
O
P
tot
P/out
T
j(max)
T
stg
T
amb
Parameter
supply voltage
supply current
ground supply current
input voltage
input current
output current
total power dissipation
power dissipation per output
maximum junction temperature
storage temperature
ambient temperature
operating
Conditions
Min
0.5
-
-
V
SS
0.5
-
-
-
-
-
65
40
Max
+7
100
100
20
25
400
100
125
+150
+85
Unit
V
mA
mA
mA
mA
mW
mW
C
C
C
V
DD
+ 0.5 V
12. Thermal characteristics
Table 8.
Symbol
R
th(j-a)
Thermal characteristics
Parameter
thermal resistance from junction
to ambient
Conditions
SO16 package
SSOP20 package
Typ
115
136
Unit
C/W
C/W
PCF8574_PCF8574A
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© NXP B.V. 2013. All rights reserved.
Product data sheet
Rev. 5 — 27 May 2013
15 of 33
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