Overview
The PCA9554DB,118 is an 8-bit I²C-Bus and SMBus I/O port expander manufactured by NXP USA Inc. This device is designed to provide 8 bits of general-purpose parallel input/output (GPIO) expansion, making it a versatile component for various electronic systems. The PCA9554DB,118 is part of the PCA9554 series, which includes several package options, but this specific model comes in a SSOP16 package.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 8 |
| Interface | I²C-Bus, SMBus |
| Operating Voltage | 2.3 V to 5.5 V |
| Package Type | SSOP16 |
| Operating Frequency | Up to 400 kHz |
| Environmental Compliance | PbFree, EU RoHS, Halogen Free, REACH SVHC compliant |
Key Features
- 8-bit GPIO expansion with individual direction control for each I/O pin.
- Support for I²C-Bus and SMBus communication protocols.
- Operating voltage range from 2.3 V to 5.5 V.
- Maximum clock frequency of up to 400 kHz.
- Interrupt output for indicating changes in the input pins.
- Low power consumption and CMOS technology for reduced power usage.
- Compliance with PbFree, EU RoHS, and Halogen Free standards.
Applications
The PCA9554DB,118 is suitable for a variety of applications where GPIO expansion is necessary. These include:
- Industrial control systems.
- Consumer electronics.
- Automotive systems.
- Medical devices.
- Any system requiring additional I/O ports via an I²C or SMBus interface.
Q & A
- What is the PCA9554DB,118 used for?
The PCA9554DB,118 is used for expanding the number of GPIO ports in a system via an I²C or SMBus interface. - What package type does the PCA9554DB,118 come in?
The PCA9554DB,118 comes in a SSOP16 package. - What is the operating voltage range of the PCA9554DB,118?
The operating voltage range is from 2.3 V to 5.5 V. - What communication protocols does the PCA9554DB,118 support?
The PCA9554DB,118 supports I²C-Bus and SMBus communication protocols. - What is the maximum clock frequency of the PCA9554DB,118?
The maximum clock frequency is up to 400 kHz. - Is the PCA9554DB,118 environmentally compliant?
Yes, it is PbFree, EU RoHS, and Halogen Free compliant. - Does the PCA9554DB,118 have an interrupt feature?
Yes, it has an interrupt output for indicating changes in the input pins. - What are some common applications of the PCA9554DB,118?
Common applications include industrial control systems, consumer electronics, automotive systems, and medical devices. - What technology is used in the PCA9554DB,118?
The PCA9554DB,118 uses CMOS technology. - Is the PCA9554DB,118 currently in production?
Yes, the PCA9554DB,118 is currently active and in production.
