Datasheet

PCA6408A All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 1 — 27 September 2012 3 of 40
NXP Semiconductors
PCA6408A
Low-voltage, 8-bit I
2
C-bus and SMBus I/O expander
3. Ordering information
3.1 Ordering options
4. Block diagram
Table 1. Ordering information
Type number Topside
mark
Package
Name Description Version
PCA6408ABS P8A HVQFN16 plastic thermal enhanced very thin quad flat package;
no leads; 16 terminals; body 3  3  0.85 mm
SOT758-1
PCA6408APW PA6408A TSSOP16 plastic thin shrink small outline package; 16 leads;
body width 4.4 mm
SOT403-1
PCA6408AHK P8 XQFN16 plastic, extremely thin quad flat package; no leads;
16 terminals; body 1.80  2.60  0.50 mm
SOT1161-1
Table 2. Ordering options
Type number Orderable
part number
Package Packing method Minimum
order quantity
Temperature
PCA6408ABS PCA6408ABSHP HVQFN16 Reel pack, SMD,
13-inch, Turned
6000 T
amb
= 40 C to +85 C
PCA6408APW PCA6408APW,118 TSSOP16 Reel pack, SMD,
13-inch
2500 T
amb
= 40 C to +85 C
PCA6408AHK PCA6408AHKX XQFN16 Reel pack, SMD 4000 T
amb
= 40 C to +85 C
All I/Os are set to inputs at reset.
Fig 1. Block diagram (positive logic)
002aaf823
INT
I
2
C-BUS
CONTROL
INTERRUPT
LOGIC
PCA6408A
LP FILTER
ADDR
INPUT
FILTER
SHIFT
REGISTER
SDA
SCL
8 BITS
write pulse
read pulse
POWER-ON
RESET
V
DD(P)
V
SS
I/O
PORT
P0 to P7
RESET
V
DD(I2C-bus)