Datasheet

PCAL9539A All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 1 — 3 October 2012 3 of 48
NXP Semiconductors
PCAL9539A
16-bit I
2
C-bus and SMBus low power I/O port with interrupt and reset
3. Ordering information
3.1 Ordering options
4. Block diagram
Table 1. Ordering information
Type number Topside
mark
Package
Name Description Version
PCAL9539AHF L39A HWQFN24 plastic thermal enhanced very very thin quad flat package;
no leads; 24 terminals; body 4  4  0.75 mm
SOT994-1
PCAL9539APW PCAL9539A TSSOP24 plastic thin shrink small outline package; 24 leads;
body width 4.4 mm
SOT355-1
Table 2. Ordering options
Type number Orderable
part number
Package Packing method Minimum
order quantity
Temperature range
PCAL9539AHF PCAL9539AHF,128 HWQFN24 Reel pack, SMD,
13-inch, Turned
6000 T
amb
= 40 C to +85 C
PCAL9539APW PCAL9539APW,118 TSSOP24 Reel pack, SMD,
13-inch
2500 T
amb
= 40 C to +85 C
Remark: All I/Os are set to inputs at reset.
Fig 1. Block diagram of PCAL9539A
PCAL9539A
POWER-ON
RESET
002aag167
I
2
C-BUS/SMBus
CONTROL
INPUT
FILTER
SCL
SDA
V
DD
INPUT/
OUTPUT
PORTS
P0_0
V
SS
8-bit
write pulse
read pulse
P0_2
P0_1
P0_3
P0_4
P0_5
P0_6
P0_7
INPUT/
OUTPUT
PORTS
P1_0
8-bit
write pulse
read pulse
P1_2
P1_1
P1_3
P1_4
P1_5
P1_6
P1_7
A1
A0
RESET
LP
FILTER
V
DD
INT