PCA9538 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2017. All rights reserved.
Product data sheet Rev. 8 — 8 November 2017 15 of 34
NXP Semiconductors
PCA9538
8-bit I
2
C-bus and SMBus low power I/O port with interrupt and reset
[1] V
DD
must be lowered to 0.2 V in order to reset part.
[2] Each I/O must be externally limited to a maximum of 25 mA and the device must be limited to a maximum current of 100 mA.
[3] The total current sourced by all I/Os must be limited to 85 mA.
Interrupt INT
I
OL
LOW-level output current V
OL
=0.4V 3 13 - mA
Select inputs A0, A1, RESET
V
IL
LOW-level input voltage 0.5 - +0.8 V
V
IH
HIGH-level input voltage 2.0 - 5.5 V
I
LI
input leakage current 1-+1A
Table 10. Static characteristics for all devices except PCA9538PW/Q900
…continued
V
DD
= 2.3 V to 5.5 V; V
SS
=0V; T
amb
=
40
C to +85
C; unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit
Table 11. Static characteristics for PCA9538PW/Q900 AEC-Q100 compliant device
V
DD
= 3.0 V to 5.5 V; V
SS
=0V; T
amb
=
40
C to +125
C; unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit
Supplies
V
DD
supply voltage 3.0 - 5.5 V
I
DD
supply current operating mode; V
DD
=5.5V;
no load; f
SCL
= 100 kHz
- 104 175 A
I
stbL
LOW-level standby current Standby mode; V
DD
=5.5V;
no load; V
I
=V
SS
;
f
SCL
= 0 kHz; I/O = inputs
-0.251A
I
stbH
HIGH-level standby current Standby mode; V
DD
=5.5V;
no load; V
I
=V
DD
;
f
SCL
= 0 kHz; I/O = inputs
-0.251A
V
POR
power-on reset voltage no load; V
I
=V
DD
or V
SS
[1]
-1.72.2V
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
-5.5V
I
OL
LOW-level output current, SDA V
OL
=0.4V
V
DD
=5.5V 3 7 - mA
V
DD
= 3.0 V 2.5 - - mA
I
L
leakage current V
I
=V
DD
=V
SS
1-+1A
C
i
input capacitance V
I
=V
SS
- 5 10 pF
I/Os
V
IL
LOW-level input voltage 0.5 - +0.8 V
V
IH
HIGH-level input voltage 2.0 - 5.5 V
I
OL
LOW-level output current V
OL
=0.5V
V
DD
=4.5V
[2]
817- mA
V
DD
=3.0V
[2]
7.5 - - mA
V
OL
=0.7V
V
DD
=4.5V
[2]
10 24 - mA
V
DD
=3.0V
[2]
9.5 - - mA