Overview
The PCA9554DB,112 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 device is part of the PCA9554 and PCA9554A series, which are widely used in various electronic systems to expand the I/O capabilities of microcontrollers.
Key Specifications
| Specification | Value |
|---|---|
| Package Type | SSOP16 |
| Number of Bits | 8 |
| Bus Interface | I²C-bus/SMBus |
| Bus Frequency | 400 kHz |
| Operating Voltage | 2.3 V to 5.5 V |
| Temperature Range | -40°C to 85°C |
| Pb-Free | Yes |
| EU RoHS Compliant | Yes |
| Halogen Free | No |
Key Features
- 8-bit GPIO expansion for I²C-bus/SMBus applications
- 400 kHz I²C-bus interface
- Operating voltage range: 2.3 V to 5.5 V
- Low standby current
- Interrupt output
- Compatible with SMBus
- Pb-free and EU RoHS compliant
Applications
The PCA9554DB,112 is suitable for a variety of applications, including:
- Expanding the I/O capabilities of microcontrollers in embedded systems
- Industrial control systems
- Automotive systems
- Consumer electronics
- Medical devices
Q & A
- What is the PCA9554DB,112 used for?
The PCA9554DB,112 is used to provide 8 bits of General Purpose parallel Input/Output (GPIO) expansion for I²C-bus/SMBus applications. - What is the package type of the PCA9554DB,112?
The package type is SSOP16. - What is the bus frequency of the PCA9554DB,112?
The bus frequency is 400 kHz. - What is the operating voltage range of the PCA9554DB,112?
The operating voltage range is 2.3 V to 5.5 V. - Is the PCA9554DB,112 Pb-free and EU RoHS compliant?
Yes, it is Pb-free and EU RoHS compliant. - What are the typical applications of the PCA9554DB,112?
Typical applications include expanding the I/O capabilities of microcontrollers in embedded systems, industrial control systems, automotive systems, consumer electronics, and medical devices. - Does the PCA9554DB,112 have an interrupt output?
Yes, it has an interrupt output. - Is the PCA9554DB,112 compatible with SMBus?
Yes, it is compatible with SMBus. - What is the temperature range of the PCA9554DB,112?
The temperature range is -40°C to 85°C. - Where can I find the datasheet for the PCA9554DB,112?
You can find the datasheet on the NXP Semiconductors website or through electronic component distributors.
