Overview
The PCA9554PW/DG,118 is an 8-bit I/O expander from NXP USA Inc., designed to provide eight independent bidirectional lines for various applications. This IC features a high-speed interface with I²C and SMBus compatibility, enabling fast data transfer between devices. The compact 16-TSSOP package makes it suitable for surface-mount technology (SMT) applications. It operates within a temperature range of -40°C to 85°C, making it reliable for industrial, automotive, and other demanding environments.
Key Specifications
| Product Status | Active |
|---|---|
| Number of I/O | 8 |
| Interface | I²C, SMBus |
| Interrupt Output | Yes |
| Output Type | Push-Pull |
| Current - Output Source/Sink | 10mA, 25mA |
| Clock Frequency | 400 kHz |
| Voltage - Supply | 2.3V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 16-TSSOP (0.173", 4.40mm Width) |
| Mounting Type | Surface Mount |
| Features | Power-On Reset (POR) |
Key Features
- Eight independent bidirectional I/O lines
- High-speed interface with I²C and SMBus compatibility
- Clock frequency up to 400 kHz
- Push-pull output type
- Current output source/sink: 10mA and 25mA
- Power-On Reset (POR) feature
- Interrupt output for notification of events
- Operating temperature range: -40°C to 85°C
Applications
- Industrial control systems
- Automotive electronics
- Medical devices
- Consumer appliances
- Aerospace applications
- Home automation and IoT devices
- Embedded systems with limited I/O resources
- Sensor and actuator interfacing
- General-purpose I/O expansion
Q & A
- What is the PCA9554PW/DG,118 used for?
The PCA9554PW/DG,118 is an 8-bit I/O expander used to expand the I/O capabilities of embedded systems, particularly in applications requiring I²C or SMBus interfaces.
- What is the package type of the PCA9554PW/DG,118?
The PCA9554PW/DG,118 comes in a 16-TSSOP package.
- What is the operating temperature range of the PCA9554PW/DG,118?
The operating temperature range is -40°C to 85°C.
- What is the clock frequency of the PCA9554PW/DG,118?
The clock frequency is up to 400 kHz.
- Does the PCA9554PW/DG,118 have an interrupt output feature?
Yes, it has an interrupt output feature for notification of events.
- What is the supply voltage range of the PCA9554PW/DG,118?
The supply voltage range is 2.3V to 5.5V.
- What are the current output capabilities of the PCA9554PW/DG,118?
The current output source/sink capabilities are 10mA and 25mA.
- Does the PCA9554PW/DG,118 have a Power-On Reset (POR) feature?
Yes, it has a Power-On Reset (POR) feature.
- In what types of applications is the PCA9554PW/DG,118 commonly used?
It is commonly used in industrial control systems, automotive electronics, medical devices, consumer appliances, and aerospace applications.
- How many I/O lines does the PCA9554PW/DG,118 provide?
The PCA9554PW/DG,118 provides eight independent bidirectional I/O lines.
