Datasheet
PCA9555_8 © NXP B.V. 2009. All rights reserved.
Product data sheet Rev. 08 — 22 October 2009 18 of 34
NXP Semiconductors
PCA9555
16-bit I
2
C-bus and SMBus I/O port with interrupt
10. Static characteristics
[1] V
DD
must be lowered to 0.2 V for at least 5 µs in order to reset part.
Table 14. Static characteristics
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
Supplies
V
DD
supply voltage 2.3 - 5.5 V
I
DD
supply current Operating mode; V
DD
= 5.5 V; no load;
f
SCL
= 100 kHz
- 135 200 µA
I
stb
standby current Standby mode; V
DD
= 5.5 V; no load;
V
I
=V
SS
; f
SCL
= 0 kHz; I/O = inputs
- 1.1 1.5 mA
Standby mode; V
DD
= 5.5 V; no load;
V
I
=V
DD
; f
SCL
= 0 kHz; I/O = inputs
- 0.25 1 µA
V
POR
power-on reset voltage
[1]
no load; V
I
=V
DD
or V
SS
- 1.5 1.65 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
- 5.5 V
I
OL
LOW-level output current V
OL
= 0.4 V 3 - - mA
I
L
leakage current V
I
=V
DD
=V
SS
−1- +1µA
C
i
input capacitance V
I
=V
SS
- 6 10 pF
I/Os
V
IL
LOW-level input voltage −0.5 - +0.3V
DD
V
V
IH
HIGH-level input voltage 0.7V
DD
- 5.5 V
I
OL
LOW-level output current V
DD
= 2.3 V to 5.5 V; V
OL
= 0.5 V
[2]
8 (8 to 20) - mA
V
DD
= 2.3 V to 5.5 V; V
OL
= 0.7 V
[2]
10 (10 to 24) - mA
V
OH
HIGH-level output voltage I
OH
= −8 mA; V
DD
= 2.3 V
[3]
1.8 - - V
I
OH
= −10 mA; V
DD
= 2.3 V
[3]
1.7 - - V
I
OH
= −8 mA; V
DD
= 3.0 V
[3]
2.6 - - V
I
OH
= −10 mA; V
DD
= 3.0 V
[3]
2.5 - - V
I
OH
= −8 mA; V
DD
= 4.75 V
[3]
4.1 - - V
I
OH
= −10 mA; V
DD
= 4.75 V
[3]
4.0 - - V
I
LIH
HIGH-level input leakage
current
V
DD
= 5.5 V; V
I
=V
DD
-- 1µA
I
LIL
LOW-level input leakage
current
V
DD
= 5.5 V; V
I
=V
SS
-- −100 µA
C
i
input capacitance - 3.7 5 pF
C
o
output capacitance - 3.7 5 pF
Interrupt
INT
I
OL
LOW-level output current V
OL
= 0.4 V 3 - - mA
Select inputs A0, A1, A2
V
IL
LOW-level input voltage −0.5 - +0.3V
DD
V
V
IH
HIGH-level input voltage 0.7V
DD
- 5.5 V
I
LI
input leakage current −1- +1µA