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PCA9554ABS

Part No PCA9554ABS
Manufacturer NXP / Nexperia
Description 8-bit I2C and SMBus I/O port with interrupt
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ECAD Module
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Manufacturer NXP
Win Source Part Number 1236051-PCA9554ABS
Manufacturer Homepage www.nxp.com
Popularity Medium
Supply and Demand Status Sufficient
Ultra Librarian 3D Model Ultra Librarian PCA9554ABS CAD Model

Description

Product Overview: NXP PCA9554ABS

The NXP PCA9554ABS is a robust 8-bit I/O expander designed to enhance the I/O capabilities of microcontrollers and microprocessors in a wide range of applications. This versatile device uses the I²C-bus interface, allowing for seamless integration into existing systems with minimal additional components.

Key Features

  • I²C Interface: The PCA9554ABS operates as an I²C-bus slave, compatible with I²C-bus speeds of up to 400 kHz. This allows for easy communication with most microcontrollers and supports serial, 8-bit, bi-directional data transfer.
  • 8-bit I/O Ports: This expander offers eight programmable I/O pins, which can be configured as inputs or outputs. This flexibility enables designers to add more I/O ports to their systems without changing the main processor.
  • Interrupt Output: An interrupt output pin (INT) is provided to indicate to the host microcontroller when an input state has changed, enhancing system responsiveness without the need for constant polling.
  • Low Standby Current: The PCA9554ABS is designed for power-sensitive applications, with a low standby current that helps to minimize the overall power consumption of the system it is integrated into.
  • Three Hardware Address Pins: It includes three address pins, allowing up to eight PCA9554ABS devices to be connected on the same I²C-bus without address conflict, offering a potential of 64 additional I/Os.

Applications

The PCA9554ABS is suitable for a variety of applications, particularly where there is a need to expand the I/O capabilities of a microcontroller with minimal additional wiring. Common applications include:

  • Servers
  • Personal electronics
  • Industrial control systems
  • Home automation
  • Embedded systems

Package and Quality

Encased in a compact SSOP16 package, the PCA9554ABS is designed to fit into space-constrained applications while providing robust I/O expansion capabilities. NXP's commitment to quality ensures that this product meets high standards for performance and reliability, making it a trusted choice for engineers and designers looking to enhance their systems.

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Pricing & Ordering

Quantity Unit Price Ext. Price
35+ $1.5523 $54.3305
80+ $1.2737 $101.8960
125+ $1.2339 $154.2375
170+ $1.1941 $202.9970
220+ $1.1543 $253.9460
290+ $1.0349 $300.1210
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Prices are subject to market and will be confirmed after the order is placed.
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
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Availability: 28,500 pieces
MOQ: 35 pcs
Order Increment : 1 pcs
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