Datasheet
PCA9537_5 © NXP B.V. 2009. All rights reserved.
Product data sheet Rev. 05 — 7 May 2009 11 of 24
NXP Semiconductors
PCA9537
4-bit I
2
C-bus and SMBus low power I/O port with interrupt and reset
8. Limiting values
9. Static characteristics
Table 8. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter Conditions Min Max Unit
V
DD
supply voltage −0.5 +6.0 V
I
I
input current - ±20 mA
V
I/O
voltage on an input/output pin V
SS
− 0.5 5.5 V
I
O(IOn)
output current on pin IOn - ±50 mA
I
DD
supply current - 85 mA
I
SS
ground supply current - 100 mA
P
tot
total power dissipation - 200 mW
T
stg
storage temperature −65 +150 °C
T
amb
ambient temperature operating −40 +85 °C
T
j(max)
maximum junction temperature - +125 °C
Table 9. 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
- 104 175 µA
I
stbL
LOW-level standby current Standby mode; V
DD
= 5.5 V;
no load; V
I
=V
SS
;
f
SCL
= 0 kHz; I/O = inputs
- 0.25 1 µA
I
stbH
HIGH-level standby current 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 no load; V
I
=V
DD
or V
SS
[1]
- 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 7 - mA
I
L
leakage current V
I
=V
DD
=V
SS
−1-+1µA
C
i
input capacitance V
I
=V
SS
- 5 10 pF
