Philips Semiconductors
Product data sheet
16-bit I2C and SMBus I/O port with interrupt
PCA9555
SW02259
1.4
T
= –40 °C
= +25 °C
amb
V
V
= 5.5 V
= 5.5 V
I
(mA)
DD
DD
T
amb
+
1.2
1.0
0.8
0.6
0.4
0.2
0.0
A2, A1, A0 set to ‘0’
T
amb
= +85 °C
All 1’s
One 0’s
Three 0’s
All 0’s
NOTE:
Each I/O adds about 0.07 mA to I when held LOW.
DD
Figure 12. I versus number of I/Os held LOW
DD
SW02281
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
I
I
= –8 mA
OH
V
(V)
OH
= –10 mA
OH
2.7 V
3.6 V
5.5 V
V
DD
Figure 13. V maximum
OH
SW02282
4.5
4.0
3.5
3.0
2.5
2.0
1.5
I
I
= –8 mA
OH
V
(V)
OH
= –10 mA
OH
2.3 V
3.0 V
4.75 V
V
DD
Figure 14. V minimum
OH
14
2004 Sep 30
NXP [ NXP ]
