PCA9554D - NXP

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

Part No

PCA9554D
Manufacturer

NXP
ChipWorker Part#

CW63564470
Category

Interface IC, Interface Controller
Package

SOIC-109
Description

NXP PCA9554D I/O Expander, 8Bit, 400kHz, I2C, SMBus, 2.3V, 5.5V, SOIC
Documentation

Datasheet

PCA9554D Global Supplier

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PCA9554D Specifications

Attribute	Attribute Value

Part Number	PCA9554D
Manufacturer	NXP
ChipWorker Part#	CW63564470
Category	Interface IC, Interface Controller
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	SOIC-109
Supply Voltage (DC)	3.00 V
Number of Positions	16 Position
Number of Bits	8 Bit
Number of Inputs and Outputs	8 Input IO
Supply Voltage (Max)	5.5 V
Supply Voltage (Min)	2.3 V
	expand all
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

Product Description

The PCA9554D is an 8-bit parallel Input/output (GPIO) Expander for I²C-bus/SMBus applications and were developed to enhance the NXP Semiconductors family of I²C-bus I/O expanders. The improvements include higher drive capability, 5V I/O tolerance, lower supply current, individual I/O configuration, 400kHz clock frequency. The I/O expander provides a simple solution when additional I/O is needed for ACPI power switches, sensors, push buttons, LEDs, fans and so on. It consists of an 8-bit configuration register (input or output selection); 8-bit input port register, 8-bit output port register and an 8-bit polarity inversion register (active HIGH or active LOW operation). 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 port or output port register. The polarity of the read register can be inverted with the polarity inversion register.
Polarity inversion register
Active low interrupt output
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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