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PCA9539AHF

Description
Low-voltage 16-bit I2C-bus I/O port with interrupt and reset
CategoryThe embedded processor and controller    Microcontrollers and processors   
File Size2MB,39 Pages
ManufacturerNXP
Websitehttps://www.nxp.com
Environmental Compliance
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PCA9539AHF Overview

Low-voltage 16-bit I2C-bus I/O port with interrupt and reset

PCA9539AHF Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerNXP
package instructionHVQCCN,
Reach Compliance Codecompli
JESD-30 codeS-PQCC-N24
JESD-609 codee4
length4 mm
Humidity sensitivity level1
Number of I/O lines16
Number of ports2
Number of terminals24
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeHVQCCN
Package shapeSQUARE
Package formCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)260
Maximum seat height0.8 mm
Maximum supply voltage5.5 V
Minimum supply voltage1.65 V
Nominal supply voltage1.8 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceNickel/Palladium/Gold (Ni/Pd/Au)
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationQUAD
Maximum time at peak reflow temperature30
width4 mm
uPs/uCs/peripheral integrated circuit typePARALLEL IO PORT, GENERAL PURPOSE
PCA9539A
Low-voltage 16-bit I
2
C-bus I/O port with interrupt and reset
Rev. 1 — 26 September 2012
Product data sheet
1. General description
The PCA9539A is a low-voltage 16-bit General Purpose Input/Output (GPIO) expander
with interrupt and reset for I
2
C-bus/SMBus applications. NXP I/O expanders provide a
simple solution when additional I/Os are needed while keeping interconnections to a
minimum, for example, in ACPI power switches, sensors, push buttons, LEDs, fan control,
etc.
In addition to providing a flexible set of GPIOs, the wide V
DD
range of 1.65 V to 5.5 V
allows the PCA9539A to interface with next-generation microprocessors and
microcontrollers where supply levels are dropping down to conserve power.
The PCA9539A contains the PCA9539 register set of four pairs of 8-bit Configuration,
Input, Output, and Polarity Inversion registers.
The PCA9539A is a pin-to-pin replacement to the PCA9539, and other industry-standard
part numbers. A more fully featured part, PCAL9539A is also available with Agile I/O
features. See the respective data sheet for more details.
The PCA9539A open-drain interrupt (INT) output is activated when any input state differs
from its corresponding Input Port register state and is used to indicate to the system
master that an input state has changed.
INT can be connected to the interrupt input of a microcontroller. By sending an interrupt
signal on this line, the remote I/O can inform the microcontroller if there is incoming data
on its ports without having to communicate via the I
2
C-bus. Thus, the PCA9539A can
remain a simple slave device.
The device outputs have 25 mA sink capabilities for directly driving LEDs while consuming
low device current.
The power-on reset sets the registers to their default values and initializes the device state
machine. In the PCA9539A, the RESET pin causes the same reset/default I/O input
configuration to occur without de-powering the device, holding the registers and I
2
C-bus
state machine in their default state until the RESET input is once again HIGH. This input
requires a pull-up to V
DD
.
Two hardware pins (A0, A1) select the fixed I
2
C-bus address and allow up to four devices
to share the same I
2
C-bus/SMBus.

PCA9539AHF Related Products

PCA9539AHF PCA9539APW PCA9539A
Description Low-voltage 16-bit I2C-bus I/O port with interrupt and reset Low-voltage 16-bit I2C-bus I/O port with interrupt and reset Smart, simple solutions for the 12 most common design concerns
Is it Rohs certified? conform to conform to -
Maker NXP NXP -
package instruction HVQCCN, 4.40 MM, PLASTIC, MO-153, SOT355-1, TSSOP-24 -
Reach Compliance Code compli compli -
JESD-30 code S-PQCC-N24 R-PDSO-G24 -
JESD-609 code e4 e4 -
length 4 mm 7.8 mm -
Humidity sensitivity level 1 1 -
Number of I/O lines 16 16 -
Number of ports 2 2 -
Number of terminals 24 24 -
Maximum operating temperature 85 °C 85 °C -
Minimum operating temperature -40 °C -40 °C -
Package body material PLASTIC/EPOXY PLASTIC/EPOXY -
encapsulated code HVQCCN TSSOP -
Package shape SQUARE RECTANGULAR -
Package form CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, THIN PROFILE, SHRINK PITCH -
Peak Reflow Temperature (Celsius) 260 260 -
Maximum seat height 0.8 mm 1.1 mm -
Maximum supply voltage 5.5 V 5.5 V -
Minimum supply voltage 1.65 V 1.65 V -
Nominal supply voltage 1.8 V 1.8 V -
surface mount YES YES -
technology CMOS CMOS -
Temperature level INDUSTRIAL INDUSTRIAL -
Terminal surface Nickel/Palladium/Gold (Ni/Pd/Au) Nickel/Palladium/Gold (Ni/Pd/Au) -
Terminal form NO LEAD GULL WING -
Terminal pitch 0.5 mm 0.65 mm -
Terminal location QUAD DUAL -
Maximum time at peak reflow temperature 30 30 -
width 4 mm 4.4 mm -
uPs/uCs/peripheral integrated circuit type PARALLEL IO PORT, GENERAL PURPOSE PARALLEL IO PORT, GENERAL PURPOSE -

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