Datasheet

PCA9538A All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 1 — 28 September 2012 17 of 37
NXP Semiconductors
PCA9538A
Low-voltage 8-bit I
2
C-bus I/O port with interrupt and reset
[1] For I
DD
, all typical values are at nominal supply voltage (1.8 V, 2.5 V, 3.3 V, 3.6 V or 5 V V
DD
) and T
amb
=25C. Except for I
DD
, the
typical values are at V
DD
= 3.3 V and T
amb
=25C.
[2] Typical value for T
amb
=25C. V
OL
= 0.4 V and V
DD
= 3.3 V. Typical value for V
DD
<2.5V, V
OL
=0.6V.
[3] 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.
[4] The total current sourced by all I/Os must be limited to 85 mA.
I
DD
supply current SDA, P port, A0, A1, RESET;
V
I
on SDA, RESET =V
DD
or V
SS
;
V
I
on P port and A0, A1, A2 = V
DD
;
I
O
=0mA;I/O=inputs; f
SCL
= 400 kHz
V
DD
= 3.6 V to 5.5 V - 10 25 A
V
DD
= 2.3 V to 3.6 V - 6.5 15 A
V
DD
= 1.65 V to 2.3 V - 4 9 A
SCL, SDA, P port, A0, A1, RESET
;
V
I
on SCL, SDA, RESET =V
DD
or V
SS
;
V
I
on P port and A0, A1, A2 = V
DD
;
I
O
=0mA;I/O=inputs; f
SCL
= 0 kHz
V
DD
= 3.6 V to 5.5 V - 1.5 7 A
V
DD
= 2.3 V to 3.6 V - 1 3.2 A
V
DD
= 1.65 V to 2.3 V - 0.5 1.7 A
I
DD
additional quiescent
supply current
SCL, SDA, RESET; one input at V
DD
 0.6 V,
other inputs at V
DD
or V
SS
;
V
DD
=1.65Vto5.5V
--25A
P port, A0, A1, RESET
; one input at
V
DD
 0.6 V, other inputs at V
DD
or V
SS
;
V
DD
=1.65Vto5.5V
--80A
C
i
input capacitance V
I
=V
DD
or V
SS
; V
DD
=1.65Vto5.5V - 6 7 pF
C
io
input/output capacitance V
I/O
=V
DD
or V
SS
; V
DD
=1.65Vto5.5V - 7 8 pF
V
I/O
=V
DD
or V
SS
; V
DD
=1.65Vto5.5V - 7.5 8.5 pF
Table 14. Static characteristics …continued
T
amb
=  40  C to +85  C; V
DD
= 1.65 V to 5.5 V; unless otherwise specified.
Symbol Parameter Conditions Min Typ
[1]
Max Unit