Datasheet

PCA9543A_43B All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 8 — 3 April 2014 13 of 28
NXP Semiconductors
PCA9543A/43B
2-channel I
2
C-bus switch with interrupt logic and reset
9. Limiting values
[1] The performance capability of a high-performance integrated circuit in conjunction with its thermal
environment can create junction temperatures which are detrimental to reliability. The maximum junction
temperature of this integrated circuit should not exceed 125 C.
10. Thermal characteristics
Table 8. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to
V
SS
(ground = 0 V).
Symbol Parameter Conditions Min Max Unit
V
DD
supply voltage 0.5 +7.0 V
V
I
input voltage 0.5 +7.0 V
I
I
input current - 20 mA
I
O
output current - 25 mA
I
DD
supply current - 100 mA
I
SS
ground supply current - 100 mA
P
tot
total power dissipation - 400 mW
T
j(max)
maximum junction temperature
[1]
-125C
T
stg
storage temperature 60 +150 C
T
amb
ambient temperature operating 40 +85 C
Table 9. Thermal characteristics
Symbol Parameter Conditions Typ Unit
R
th(j-a)
thermal resistance from junction
to ambient
SO14 package 127 C/W
TSSOP14 package 175 C/W