Datasheet

PCA9557 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 7 — 10 December 2013 14 of 30
NXP Semiconductors
PCA9557
8-bit I
2
C-bus and SMBus I/O port with reset
10. Limiting values
Fig 19. High value resistor in parallel with
the LED
Fig 20. Device supplied by a lower voltage
002aac660
LED
V
DD
IOn
100 kΩ
V
DD
002aac661
LED
V
DD
IOn
3.3 V 5 V
Table 9. 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 V
V
I
input voltage V
SS
 0.5 5.5 V
I
I
input current - 20 mA
I
IHL(max)
maximum allowed input current
through protection diode (IO1 to IO7)
V
I
 V
DD
or V
I
 V
SS
- 400 A
V
I/O
voltage on an input/output pin I/O as an input, except IO0 V
SS
 0.5 5.5 V
IO0 as an input V
SS
 0.5 5.5 V
I
I/O
input/output current IO0 as an input - +400 A
- 20 mA
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