Overview
The PCA9554D,118 is a 16-pin CMOS device manufactured by NXP USA Inc., designed to provide 8 bits of General Purpose parallel Input/Output (GPIO) expansion for I²C-bus/SMBus applications. This integrated circuit (IC) is part of NXP's extensive range of interface devices and is particularly useful for expanding the I/O capabilities of microcontrollers through a single I²C port.
The device features eight bidirectional I/O lines, each of which can be individually programmed as either an output or an input. It also includes an interrupt line (INT) and pull-up resistors, facilitating flexible and easy implementation in various systems. The PCA9554D,118 operates over a wide range of power supply voltages from 1.65V to 5.5V, making it suitable for a variety of applications.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | NXP USA Inc. |
| Mfr. Part # | PCA9554D,118 |
| Package | SOP-16-300mil |
| Number of I/O Lines | 8 bits |
| Bus Compatibility | I²C-bus/SMBus |
| Power Supply Voltage | 1.65V to 5.5V |
| Interrupt Line | Yes (INT) |
| Pull-up Resistors | Yes (PU) |
| RoHS Compliance | Yes |
| ECCN | EAR99 |
Key Features
- Bidirectional I/O Lines: Each of the 8 I/O lines can be individually programmed as either an input or an output.
- Interrupt Line: Features an interrupt line (INT) for signaling events.
- Pull-up Resistors: Includes pull-up resistors (PU) for easy implementation.
- I²C-bus/SMBus Compatibility: Compatible with both I²C-bus and SMBus protocols.
- Low Power Operation: Operates over a wide range of power supply voltages from 1.65V to 5.5V.
- RoHS Compliance: Compliant with RoHS regulations, ensuring environmental sustainability.
Applications
The PCA9554D,118 is versatile and can be used in various applications, including:
- Industrial Automation: Expanding I/O capabilities in industrial control systems.
- Medical Monitoring: Enhancing the I/O functionality in medical devices.
- Home Automation: Supporting smart home devices with expanded I/O capabilities.
- Embedded Systems: Used in microcontroller-based systems to increase the number of available I/O lines.
Q & A
- What is the PCA9554D,118 used for?
The PCA9554D,118 is used to expand the I/O capabilities of microcontrollers through an I²C-bus/SMBus interface.
- How many I/O lines does the PCA9554D,118 have?
The PCA9554D,118 has 8 bidirectional I/O lines.
- What is the power supply voltage range for the PCA9554D,118?
The device operates over a power supply voltage range from 1.65V to 5.5V.
- Is the PCA9554D,118 RoHS compliant?
Yes, the PCA9554D,118 is RoHS compliant.
- What types of packages are available for the PCA9554D,118?
The PCA9554D,118 is available in SOP-16-300mil packages among others.
- Does the PCA9554D,118 have an interrupt line?
Yes, the PCA9554D,118 features an interrupt line (INT).
- What are some common applications of the PCA9554D,118?
Common applications include industrial automation, medical monitoring, home automation, and embedded systems.
- Is the PCA9554D,118 compatible with SMBus?
Yes, the PCA9554D,118 is compatible with both I²C-bus and SMBus protocols.
- Does the PCA9554D,118 include pull-up resistors?
Yes, the device includes pull-up resistors (PU).
- What is the ECCN classification for the PCA9554D,118?
The ECCN classification for the PCA9554D,118 is EAR99.
