PCA9539PW - NXP

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

PCA9539PW
Manufacturer

NXP
ChipWorker Part#

CW2384984
Category

Interface IC, Interface Controller
Package

TSSOP
Description

I/O Expander, 16Bit, 400kHz, I2C, SMBus, 2.3V, 5.5V, TSSOP
Documentation

Datasheet

PCA9539PW Global Supplier

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PCA9539PW Specifications

Attribute	Attribute Value

Part Number	PCA9539PW
Manufacturer	NXP
ChipWorker Part#	CW2384984
Category	Interface IC, Interface Controller
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	24 Pin
Case/Package	TSSOP
Supply Voltage (DC)	2.30V (min)
Number of Positions	24 Position
Number of Inputs and Outputs	16 Input IO
Supply Voltage (Max)	5.5 V
Supply Voltage (Min)	2.3 V
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Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Unknown
Packaging	Each
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17
ECCN Code	EAR99

Product Description

The PCA9539PW is a 16-bit I²C-bus and SMBus low power I/O port with interrupt and reset developed to enhance the NXP Semiconductors family of I²C-bus I/O expanders. The I/O expander provides a simple solution when additional I/O is needed for ACPI power switches, sensors, push buttons, LEDs, fans, etc. It consists of two 8-bit configuration (input or output selection), input, output and polarity inversion (active HIGH or active LOW operation) registers. The system master can enable the I/Os as either inputs or outputs by writing to the I/O configuration bits. The data for each input or output is kept in the corresponding Input or Output register. The polarity of the read register can be inverted with the Polarity inversion register. All registers can be read by the system master. It is identical to the PCA9555 except for the removal of the internal I/O pull-up resistor.
Polarity inversion register
Active low interrupt output
Active low reset input
Low standby current consumption
Noise filter on SCL/SDA input
No glitch on power-up
Internal power-ON reset
Latch-up testing is done to JEDEC standard JESD78 which exceeds 100mA

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