Datasheet

PCA9545A_45B_45C All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 9 — 5 May 2014 16 of 32
NXP Semiconductors
PCA9545A/45B/45C
4-channel I
2
C-bus switch with interrupt logic and reset
[1] For operation between published voltage ranges, refer to the worst-case parameter in both ranges.
[2] V
DD
must be lowered to 0.2 V for at least 5 s in order to reset part.
Table 9. Static characteristics at V
DD
=4.5V to 5.5V
V
SS
= 0 V; T
amb
=
40
C to +85
C; unless otherwise specified. See Table 8 on page 15 for V
DD
= 2.3 V to 3.6 V
[1]
.
Symbol Parameter Conditions Min Typ Max Unit
Supply
V
DD
supply voltage 4.5 - 5.5 V
I
DD
supply current Operating mode; V
DD
=5.5V;
no load; V
I
=V
DD
or V
SS
;
f
SCL
= 100 kHz
- 25 100 A
I
stb
standby current Standby mode; V
DD
=5.5V;
no load; V
I
=V
DD
or V
SS
-0.31 A
V
POR
power-on reset voltage no load; V
I
=V
DD
or V
SS
[2]
-1.72.1V
Input SCL; input/output SDA
V
IL
LOW-level input voltage 0.5 - +0.3V
DD
V
V
IH
HIGH-level input voltage 0.7V
DD
-6 V
I
OL
LOW-level output current V
OL
=0.4V 3 - - mA
V
OL
=0.6V 6 - - mA
I
L
leakage current V
I
=V
SS
1- +1 A
C
i
input capacitance V
I
=V
SS
-1013pF
Select inputs A0, A1, INT0
to INT3, RESET
V
IL
LOW-level input voltage 0.5 - +0.3V
DD
V
V
IH
HIGH-level input voltage 0.7V
DD
-6 V
I
LI
input leakage current V
I
=V
DD
or V
SS
1- +1 A
C
i
input capacitance V
I
=V
SS
-25 pF
Pass gate
R
on
ON-state resistance V
DD
= 4.5 V to 5.5 V; V
O
=0.4V;
I
O
=15mA
4924
V
o(sw)
switch output voltage V
i(sw)
=V
DD
=5.0V;
I
o(sw)
= 100 A
-3.6- V
V
i(sw)
=V
DD
= 4.5 V to 5.5 V;
I
o(sw)
= 100 A
2.6 - 4.5 V
I
L
leakage current V
I
=V
DD
or V
SS
1- +1 A
C
io
input/output capacitance V
I
=V
SS
-35 pF
INT
output
I
OL
LOW-level output current V
OL
=0.4V 3 - - mA
I
OH
HIGH-level output current - - +10 A