Datasheet

PCA8574_PCA8574A All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 3 — 3 June 2013 15 of 32
NXP Semiconductors
PCA8574; PCA8574A
Remote 8-bit I/O expander for I
2
C-bus with interrupt
11. Limiting values
[1] Total package (maximum) output current is 400 mA.
12. Thermal characteristics
Table 7. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter Conditions Min Max Unit
V
DD
supply voltage 0.5 +6 V
I
DD
supply current - 100 mA
I
SS
ground supply current - 400 mA
V
I
input voltage V
SS
 0.5 5.5 V
I
I
input current - 20 mA
I
O
output current
[1]
- 50 mA
P
tot
total power dissipation - 400 mW
P/out power dissipation per output - 100 mW
T
j(max)
maximum junction temperature - 125 C
T
stg
storage temperature 65 +150 C
T
amb
ambient temperature operating 40 +85 C
Table 8. Thermal characteristics
Symbol Parameter Conditions Typ Unit
R
th(j-a)
thermal resistance from junction
to ambient
SO16 package 115 C/W
TSSOP16 package 160 C/W
SSOP20 package 136 C/W