Overview
The PCA9554AD,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 to expand the I/O capabilities of microcontrollers and other I²C-bus compatible devices.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | NXP USA Inc. |
| Package | 16-SSOP (0.209, 5.30mm Width) |
| Interface | I²C, SMBus |
| Supply Voltage | 3 V |
| Technology | CMOS |
| Clock Frequency | 400 kHz |
| Number of I/O | 8 |
| Pin Count | 16 |
| Terminal Pitch | 0.65 mm |
| Length | 6.2 mm |
| Height Seated (Max) | 2 mm |
| Width | 5.3 mm |
| RoHS Status | ROHS3 Compliant |
| Time@Peak Reflow Temperature-Max (s) | 30 s |
Key Features
- Provides 8 bits of General Purpose parallel Input/Output (GPIO) expansion.
- Compatible with I²C-bus and SMBus protocols.
- Operates at a supply voltage of 3 V.
- CMOS technology for low power consumption.
- Supports a clock frequency of up to 400 kHz.
- Includes an interrupt output for indicating changes in the input port.
- Available in a 16-SSOP package with a terminal pitch of 0.65 mm.
- ROHS3 compliant, ensuring environmental sustainability.
Applications
- Expansion of I/O capabilities in microcontrollers and other I²C-bus compatible devices.
- Industrial control systems requiring additional I/O ports.
- Automotive systems where I²C-bus/SMBus communication is used.
- Consumer electronics needing GPIO expansion.
- Medical devices and other embedded systems requiring I/O expansion.
Q & A
- What is the primary function of the PCA9554AD,118?
The PCA9554AD,118 provides 8 bits of General Purpose parallel Input/Output (GPIO) expansion for I²C-bus/SMBus applications.
- What is the supply voltage for the PCA9554AD,118?
The supply voltage for the PCA9554AD,118 is 3 V.
- What is the package type and dimensions of the PCA9554AD,118?
The PCA9554AD,118 is available in a 16-SSOP package with dimensions of 6.2 mm length, 5.3 mm width, and a maximum seated height of 2 mm.
- Is the PCA9554AD,118 ROHS compliant?
Yes, the PCA9554AD,118 is ROHS3 compliant.
- What is the clock frequency supported by the PCA9554AD,118?
The PCA9554AD,118 supports a clock frequency of up to 400 kHz.
- How many I/O ports does the PCA9554AD,118 provide?
The PCA9554AD,118 provides 8 bits of GPIO expansion.
- What is the terminal pitch of the PCA9554AD,118?
The terminal pitch of the PCA9554AD,118 is 0.65 mm.
- What is the maximum time for peak reflow temperature during soldering?
The maximum time for peak reflow temperature during soldering is 30 seconds.
- Does the PCA9554AD,118 have an interrupt output?
Yes, the PCA9554AD,118 includes an interrupt output for indicating changes in the input port.
- In what types of applications is the PCA9554AD,118 commonly used?
The PCA9554AD,118 is commonly used in industrial control systems, automotive systems, consumer electronics, and medical devices where I/O expansion is required.
