Overview
The PCA8574AD,512 is a remote 8-bit I/O expander designed by NXP USA Inc. This component provides general-purpose remote I/O expansion via the two-wire bidirectional I²C-bus, facilitating communication through serial clock (SCL) and serial data (SDA) lines. It is part of the PCA8574/74A series, which is widely used in various applications requiring I/O expansion and control.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | SO16 (Small Outline 16-pin) |
| Number of I/O Pins | 8 |
| I²C Bus Frequency | Up to 400 kHz |
| Operating Voltage | 2.3 V to 5.5 V |
| Temperature Range | -40°C to +85°C |
| Pb-Free and EU RoHS Compliant | Yes |
| Halogen Free | No |
Key Features
- 8-bit remote I/O expansion via I²C-bus
- Two-wire serial interface (SCL and SDA)
- 400 kHz I²C-bus speed
- Operating voltage range: 2.3 V to 5.5 V
- Low standby current
- Open-drain interrupt output
- Pb-Free and EU RoHS compliant
Applications
- Industrial control systems
- Automotive systems
- Consumer electronics
- Medical devices
- Any system requiring I/O expansion and control
Q & A
- What is the PCA8574AD,512 used for? The PCA8574AD,512 is used for remote 8-bit I/O expansion via the I²C-bus.
- What is the package type of the PCA8574AD,512? The package type is SO16 (Small Outline 16-pin).
- What is the maximum I²C-bus frequency supported by the PCA8574AD,512? The maximum I²C-bus frequency is up to 400 kHz.
- What is the operating voltage range of the PCA8574AD,512? The operating voltage range is 2.3 V to 5.5 V.
- Is the PCA8574AD,512 Pb-Free and EU RoHS compliant? Yes, it is Pb-Free and EU RoHS compliant.
- What is the temperature range for the PCA8574AD,512? The temperature range is -40°C to +85°C.
- Does the PCA8574AD,512 have an interrupt output? Yes, it has an open-drain interrupt output.
- What are some common applications of the PCA8574AD,512? Common applications include industrial control systems, automotive systems, consumer electronics, and medical devices.
- Is the PCA8574AD,512 halogen free? No, it is not halogen free.
- Where can I find the datasheet for the PCA8574AD,512? You can find the datasheet on the NXP Semiconductors website or through authorized distributors.
