Datasheet

PCA8575_2 © NXP B.V. 2007. All rights reserved.
Product data sheet Rev. 02 — 21 March 2007 16 of 30
NXP Semiconductors
PCA8575
Remote 16-bit I/O expander for I
2
C-bus with interrupt
12. Static characteristics
[1] The power-on reset circuit resets the I
2
C-bus logic with V
DD
<V
POR
and set all I/Os to logic 1 (with current source to V
DD
).
[2] Each bit must be limited to a maximum of 25 mA and the total package limited to 400 mA due to internal busing limits.
[3] The value is not tested, but verified on sampling basis.
Table 5. Static characteristics
V
DD
= 2.3 V to 5.5 V; V
SS
=0V; T
amb
= − 40 ° Cto+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; no load;
V
I
=V
DD
or V
SS
; f
SCL
= 400 kHz
- 100 200 µA
I
stb
standby current Standby mode; no load;
V
I
=V
DD
or V
SS
- 2.5 10 µA
V
POR
power-on reset voltage
[1]
- 1.8 2.0 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 20 - - mA
I
L
leakage current V
I
=V
DD
or V
SS
−1- +1µA
C
i
input capacitance V
I
=V
SS
- 5 10 pF
I/Os; P00 to P07 and P10 to P17
I
OL
LOW-level output current
[2]
V
OL
= 0.5 V; V
DD
= 2.3 V 12 28 - mA
V
OL
= 0.5 V; V
DD
= 3.0 V 17 35 - mA
V
OL
= 0.5 V; V
DD
= 4.5 V 25 42 - mA
I
OL(tot)
total LOW-level output current
[2]
V
OL
= 0.5 V; V
DD
= 4.5 V - - 400 mA
I
OH
HIGH-level output current V
OH
=V
SS
−30 −102 −300 µA
I
trt(pu)
transient boosted pull-up current V
OH
=V
SS
; see Figure 11 −0.5 −1.0 - mA
C
io(off)
off-state input/output
capacitance
[3]
- 9 10 pF
Interrupt
INT
I
OL
LOW-level output current V
OL
= 0.4 V 6 - - mA
C
o
output capacitance - 3 5 pF
Inputs AD0, AD1, AD2
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
C
i
input capacitance - 3.5 5 pF