PCF8574; PCF8574A
NXP Semiconductors
Remote 8-bit I/O expander for I2C-bus with interrupt
11. Limiting values
Table 7.
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
VDD
IDD
Parameter
Conditions
Min
Max
+7
Unit
V
supply voltage
0.5
supply current
-
-
100
100
mA
mA
V
ISS
ground supply current
input voltage
VI
VSS 0.5 VDD + 0.5
II
input current
-
20
25
400
100
125
+150
+85
mA
mA
mW
mW
C
IO
output current
-
Ptot
total power dissipation
power dissipation per output
maximum junction temperature
storage temperature
ambient temperature
-
P/out
Tj(max)
Tstg
Tamb
-
-
65
40
C
operating
C
12. Thermal characteristics
Table 8.
Symbol
Rth(j-a)
Thermal characteristics
Parameter
Conditions
Typ
Unit
thermal resistance from junction SO16 package
to ambient
115
136
C/W
C/W
SSOP20 package
PCF8574_PCF8574A
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© NXP B.V. 2013. All rights reserved.
Product data sheet
Rev. 5 — 27 May 2013
15 of 33
NXP [ NXP ]
