Datasheet

PCA8575_2 © NXP B.V. 2007. All rights reserved.
Product data sheet Rev. 02 — 21 March 2007 2 of 30
NXP Semiconductors
PCA8575
Remote 16-bit I/O expander for I
2
C-bus with interrupt
n Gaming machines
n Instrumentation and test measurement
4. Ordering information
[1] Also known as QSOP24.
5. Block diagram
Table 1. Ordering information
Type number Topside
mark
Package
Name Description Version
PCA8575D PCA8575D SO24 plastic small outline package; 24 leads; body width 7.5 mm SOT137-1
PCA8575DB PCA8575DB SSOP24 plastic shrink small outline package; 24 leads; body width 5.3 mm SOT340-1
PCA8575DK PCA8575 SSOP24
[1]
plastic shrink small outline package; 24 leads;
body width 3.9 mm; lead pitch 0.635 mm
SOT556-1
PCA8575PW PCA8575PW TSSOP24 plastic thin shrink small outline package; 24 leads;
body width 4.4 mm
SOT355-1
PCA8575BQ 8575 DHVQFN24 plastic dual in-line compatible thermal enhanced very thin quad
flat package; no leads; 24 terminals; body 3.5 × 5.5 × 0.85 mm
SOT815-1
PCA8575BS 8575 HVQFN24 plastic thermal enhanced very thin quad flat package; no leads;
24 terminals; body 4 × 4 × 0.85 mm
SOT616-1
Fig 1. Block diagram of PCA8575
002aac669
INT
I
2
C-BUS
CONTROL
INTERRUPT
LOGIC
PCA8575
LP FILTER
AD0
AD1
AD2
INPUT
FILTER
SHIFT
REGISTER
SDA
SCL
16 BITS
write pulse
read pulse
POWER-ON
RESET
V
DD
V
SS
I/O
PORT
P00 to P07
P10 to P17