PCA9500 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2017. All rights reserved.
Product data sheet Rev. 4.1 — 5 May 2017 16 of 29
NXP Semiconductors
PCA9500
8-bit I
2
C-bus and SMBus I/O port with 2-kbit EEPROM
11. Static characteristics
[1] 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.
Table 5. Static characteristics
Symbol Parameter Conditions Min Typ Max Unit
Supply
V
DD
supply voltage 2.5 3.3 3.6 V
I
DDQ
standby current A0, A1, A2, WC =HIGH - - 60 A
I
DD1
supply current read - - 1 mA
I
DD2
supply current write - - 2 mA
V
POR
power-on reset voltage - - 2.4 V
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 V
OL
=0.4V 3 - - mA
I
LI
input leakage current V
I
=V
DD
or V
SS
1-+1A
C
i
input capacitance V
I
=V
SS
--7pF
I/O expander port
V
IL
LOW-level input voltage 0.5 - +0.3V
DD
V
V
IH
HIGH-level input voltage 0.7V
DD
-5.5V
I
IHL(max)
input current through protection diodes 400 - +400 A
I
OL
LOW-level output current V
OL
=1V
[1]
10 25 - mA
I
OH
HIGH-level output current V
OH
=V
SS
30 100 300 A
I
OHt
transient pull-up current - 2 - mA
C
i
input capacitance - - 10 pF
C
o
output capacitance - - 10 pF
Address inputs A0, A1, A2; WC
input
V
IL
LOW-level input voltage 0.5 - +0.3V
DD
V
V
IH
HIGH-level input voltage 0.7V
DD
-5.5V
I
LI
input leakage current V
I
=V
DD
1-+1A
pull-up; V
I
=V
SS
10 25 100 A