Datasheet

PCA9574 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 5 — 25 September 2014 3 of 32
NXP Semiconductors
PCA9574
8-bit I
2
C-bus and SMBus, level translating, low voltage GPIO
 Gaming machines
 Instrumentation and test measurement
4. Ordering information
4.1 Ordering options
5. Block diagram
Table 1. Ordering information
Type number Topside
marking
Package
Name Description Version
PCA9574PW PCA9574 TSSOP16 plastic thin shrink small outline package; 16 leads;
body width 4.4 mm
SOT403-1
PCA9574BS P74 HVQFN16 plastic thermal enhanced very thin quad flat package;
no leads; 16 terminals; body 3  3  0.85 mm
SOT758-1
Table 2. Ordering options
Type number Orderable part
number
Package Packing method Minimum order
quantity
Temperature range
PCA9574PW PCA9574PW,118 TSSOP16 Reel 13” Q1/T1
*standard mark SMD
2500 T
amb
= 40 C to +85 C
PCA9574BS PCA9574BS,118 HVQFN16 Reel 13” Q1/T1
*standard mark SMD
6000 T
amb
= 40 C to +85 C
Remark: All I/Os are set to inputs at power-up and RESET.
Fig 1. Block diagram of PCA9574
PCA9574
POWER-ON
RESET
002aad054
I
2
C-BUS/SMBus
CONTROL
INPUT
FILTER
SCL
SDA
V
DD
INPUT/
OUTPUT
PORTS
P0
V
SS
8-bit
write pulse
read pulse
P2
P4
P6
P1
P3
P5
P7
LP
FILTER
V
DD
INT
A0
RESET
V
DD(IO)