Overview
The PCA9554ABS3,118 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 I/O expander is part of the PCA9554 and PCA9554A series, offering a simple solution for expanding the I/O capabilities of microcontrollers and other ICs.
Key Specifications
| Specification | Value |
|---|---|
| Package Type | TSSOP16 |
| Pins | 16 |
| Interface | I²C-bus/SMBus |
| GPIO Bits | 8 |
| Clock Frequency | 400 kHz |
| Supply Voltage | 2.3 V to 5.5 V |
| I/O Configuration | Individual configuration |
| VI/O Tolerance | 5 V |
| Supply Current | Low supply current |
Key Features
- Higher drive capability
- Individual I/O configuration
- 5 V I/O tolerance
- Low supply current
- 400 kHz clock frequency
- Compact TSSOP16 packaging
Applications
The PCA9554ABS3,118 is suitable for various applications requiring additional I/O expansion, such as:
- ACPI power switches
- Sensors
- Push buttons
- LEDs
- Fans
Q & A
- What is the primary function of the PCA9554ABS3,118? The primary function is to provide 8 bits of General Purpose parallel Input/Output (GPIO) expansion for I²C-bus/SMBus applications.
- What is the package type of the PCA9554ABS3,118? The package type is TSSOP16.
- What is the clock frequency of the PCA9554ABS3,118? The clock frequency is 400 kHz.
- What is the supply voltage range for the PCA9554ABS3,118? The supply voltage range is from 2.3 V to 5.5 V.
- Does the PCA9554ABS3,118 support individual I/O configuration? Yes, it supports individual I/O configuration.
- What is the I/O tolerance of the PCA9554ABS3,118? The I/O tolerance is 5 V.
- What are some common applications for the PCA9554ABS3,118? Common applications include ACPI power switches, sensors, push buttons, LEDs, and fans.
- How many GPIO bits does the PCA9554ABS3,118 provide? It provides 8 bits of GPIO expansion.
- What is the advantage of the PCA9554ABS3,118 in terms of supply current? It has low supply current.
- Where can I find detailed specifications for the PCA9554ABS3,118? Detailed specifications can be found on the NXP Semiconductors official website and other electronic component distributors like Digi-Key.
