Overview
The PCA9554APW,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 component is part of the PCA9554 and PCA9554A series, which are widely used in various electronic systems requiring additional I/O ports. The device operates within a supply voltage range of 2.3V to 5.5V, making it versatile for different system designs.
Key Specifications
| Specification | Value |
|---|---|
| Part Number | PCA9554APW,118 |
| Manufacturer | NXP USA Inc. |
| Package/Case | 16-TSSOP (0.173, 4.40mm Width) |
| Mounting Type | Surface Mount |
| Number of I/Os | 8 |
| Operating Temperature | -40°C to 85°C |
| Voltage - Supply | 2.3V to 5.5V |
| Interface | I²C, SMBus |
| Clock Frequency | 400kHz |
| Interrupt Output | Yes, Open-Drain Active-Low |
| Current - Output Source/Sink | 10mA / 25mA |
| Pin Count | 16 |
| RoHS Status | ROHS3 Compliant |
Key Features
- I²C to Parallel Port Expander
- Open-Drain Active-Low Interrupt Output
- Operating Power-Supply Voltage Range of 2.3 V to 5.5 V
- Power-On Reset (POR) feature that initializes all registers to default values upon power-up
- Low Standby Current
- CMOS Technology for Low Power Consumption
- Halogen-Free and Pb-Free Packaging
Applications
The PCA9554APW,118 is suitable for a variety of applications where additional GPIO ports are required, such as:
- Industrial Control Systems
- Consumer Electronics
- Automotive Systems
- Medical Devices
- Embedded Systems and Microcontrollers
Q & A
- What is the primary function of the PCA9554APW,118?
The PCA9554APW,118 is an I²C-bus/SMBus I/O expander that provides 8 bits of General Purpose parallel Input/Output (GPIO) expansion.
- What is the operating voltage range of the PCA9554APW,118?
The device operates within a supply voltage range of 2.3V to 5.5V.
- What type of interface does the PCA9554APW,118 support?
The device supports I²C and SMBus interfaces.
- Does the PCA9554APW,118 have an interrupt output feature?
Yes, it has an open-drain active-low interrupt output.
- What is the maximum current sink/source capability of the I/O ports?
The I/O ports can sink/source up to 25mA and 10mA respectively.
- What is the package type of the PCA9554APW,118?
The device is packaged in a 16-TSSOP (0.173, 4.40mm Width).
- Is the PCA9554APW,118 RoHS compliant?
Yes, it is ROHS3 compliant.
- What is the operating temperature range of the PCA9554APW,118?
The device operates within a temperature range of -40°C to 85°C.
- Does the PCA9554APW,118 have a power-on reset feature?
Yes, it has a power-on reset (POR) feature that initializes all registers to default values upon power-up.
- What are some common applications of the PCA9554APW,118?
Common applications include industrial control systems, consumer electronics, automotive systems, medical devices, and embedded systems.
