PCA9538ABSHP - NXP

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

Part No

PCA9538ABSHP
Manufacturer

NXP
ChipWorker Part#

CW11188923
Category

Interface IC, Interface Controller
Package

HVQFN-16
Description

I2C/SMBus GPIO Expander 100kHz/400kHz 5.5V 16Pin HVQFN EP T/R
Documentation

Datasheet

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PCA9538ABSHP Specifications

Attribute	Attribute Value

Part Number	PCA9538ABSHP
Manufacturer	NXP
ChipWorker Part#	CW11188923
Category	Interface IC, Interface Controller
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	HVQFN-16
Output Current	25 mA
Number of Positions	16 Position
Clock Speed	400 kHz
Power Dissipation	200 mW
Number of Inputs and Outputs	8 Input IO
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	1.65V ~ 5.5V
Supply Voltage (Max)	5.5 V
Supply Voltage (Min)	1.65 V
	expand all
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99
HK STC License	NLR

Product Description

General description
The PCA9538A is a low-voltage 8-bit General Purpose Input/Output (GPIO) expander with interrupt and reset for I2C-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 ACPIpower switches, sensors, push buttons, LEDs, fan control, etc.
In addition to providing a flexible set of GPIOs, the wide VDDrange of 1.65 V to 5.5 V allows the PCA9538A to interface with next-generation microprocessors and microcontrollers where supply levels are dropping down to conserve power.
The PCA9538A contains the PCA9538A register set of four 8-bit Configuration, Input, Output, and Polarity Inversion registers.
Features and benefits
 I2C-bus to parallel port expander
 Operating power supply voltage range of 1.65 V to 5.5 V
 Low standby current consumption:
1.5A (typical at 5 V VDD)
 1.0A (typical at 3.3 V VDD)
 Schmitt-trigger action allows slow input transition and better switching noise immunity at the SCL and SDA inputs
Vhys=0.10VDD(typical)
 5 V tolerant I/Os
 Active LOW reset input (RESET)
 Open-drain active LOW interrupt output (INT)
 400 kHz Fast-mode I2C-bus
 Internal power-on reset
 Power-up with all channels configured as inputs
 No glitch on power-up
 Latched outputs with 25 mA drive maximum capability for directly driving LEDs
 Latch-up performance exceeds 100 mA per JESD78, Class II
 ESD protection exceeds JESD22
2000 V Human Body Model (A114-A)
 1000 V Charged-Device Model (C101)
 Packages offered: TSSOP16 and HVQFN16

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