Overview
The PCA9554PW/Q900,118 is a General Purpose Input/Output (GPIO) expansion device manufactured by NXP USA Inc. This 16-pin CMOS device is designed to provide 8 bits of parallel input/output expansion for I²C-bus/SMBus applications. It is particularly useful in systems where additional I/O ports are needed, enhancing the capability of the microcontroller or microprocessor without adding extra pins.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | NXP USA Inc. |
| Part Number | PCA9554PW/Q900,118 |
| Number of I/O | 8 |
| Interface | I²C, SMBus |
| Interrupt Output | Yes |
| Output Type | Push-Pull |
| Current - Output Source/Sink | 10mA, 25mA |
| Clock Frequency | 400kHz |
| Voltage - Supply | 2.3V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 16-TSSOP (0.173", 4.40mm Width) |
Key Features
- GPIO Expansion: Provides 8 bits of general purpose parallel input/output expansion.
- I²C and SMBus Compatibility: Supports I²C and SMBus interfaces with clock frequencies up to 400 kHz.
- Interrupt Capability: Features an interrupt output for signaling events to the microcontroller.
- Power-On Reset (POR): Includes a power-on reset feature to ensure proper initialization.
- Wide Operating Voltage Range: Operates over a supply voltage range of 2.3V to 5.5V.
- Extended Temperature Range: Functional over an operating temperature range of -40°C to 85°C.
Applications
- Industrial Automation: Used in industrial control systems to expand the I/O capabilities of microcontrollers.
- Consumer Electronics: Found in various consumer devices such as TVs, set-top boxes, and gaming consoles.
- Automotive Systems: Utilized in automotive applications for expanding the I/O ports of automotive microcontrollers.
- Medical Devices: Used in medical equipment to provide additional I/O ports for sensors and actuators.
- IoT Devices: Employed in Internet of Things (IoT) devices to enhance the I/O capabilities of microcontrollers.
Q & A
- What is the PCA9554PW/Q900,118 used for?
The PCA9554PW/Q900,118 is used to provide 8 bits of general purpose parallel input/output expansion for I²C-bus/SMBus applications.
- What is the interface type of the PCA9554PW/Q900,118?
The device supports I²C and SMBus interfaces.
- What is the clock frequency of the PCA9554PW/Q900,118?
The clock frequency is up to 400 kHz.
- Does the PCA9554PW/Q900,118 have an interrupt output?
Yes, it features an interrupt output.
- What is the operating voltage range of the PCA9554PW/Q900,118?
The operating voltage range is 2.3V to 5.5V.
- What is the operating temperature range of the PCA9554PW/Q900,118?
The operating temperature range is -40°C to 85°C.
- What type of package does the PCA9554PW/Q900,118 come in?
The device comes in a 16-TSSOP package.
- Is the PCA9554PW/Q900,118 suitable for industrial applications?
Yes, it is suitable for industrial applications due to its robust specifications and wide operating temperature range.
- Can the PCA9554PW/Q900,118 be used in automotive systems?
Yes, it can be used in automotive systems to expand the I/O capabilities of automotive microcontrollers.
- What is the current sourcing/sinking capability of the PCA9554PW/Q900,118?
The device can source/sink up to 10mA and 25mA respectively.
