Overview
The PCF8575CTS/1,112 is a remote 16-bit I/O expander designed for use with the I²C-bus interface, manufactured by NXP USA Inc. This component is part of the PCF8575 series and is housed in a 24-lead SSOP (Shrink Small Outline Package) with a body width of 5.3 mm. It is designed to expand the I/O capabilities of microcontrollers and other I²C-bus compatible devices. The PCF8575CTS/1,112 features quasi-bidirectional I/O ports, an interrupt line, and low current consumption, making it suitable for a variety of applications requiring additional I/O functionality.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | NXP USA Inc. |
| Package / Case | 24-SSOP (0.209, 5.30mm Width) |
| Interface | I²C |
| Number of I/Os | 16 |
| Operating Temperature | -40°C ~ 85°C |
| Voltage - Supply | 4.5V ~ 5.5V |
| Clock Frequency | 400 kHz |
| Interrupt Output | Yes |
| Current - Output Source/Sink | 10 mA / 25 mA |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Terminal Pitch | 0.65 mm |
| Terminal Position | DUAL |
| Terminal Form | GULL WING |
| Peak Reflow Temperature | 260°C |
| RoHS Status | ROHS3 Compliant |
Key Features
- Quasi-bidirectional I/O Ports: The PCF8575CTS/1,112 features 16 quasi-bidirectional I/O ports, allowing for flexible input/output operations.
- Interrupt Line: An interrupt line (INT) is available, enabling the device to inform the microcontroller of incoming data without continuous I²C-bus communication.
- Low Current Consumption: The device has low current consumption, making it energy-efficient for various applications.
- Latched Outputs: The outputs are latched, providing high current drive capability, which is suitable for directly driving LEDs or other loads.
- I²C-Bus Compatibility: The component is fully compatible with the I²C-bus protocol, supporting clock frequencies up to 400 kHz.
Applications
The PCF8575CTS/1,112 is versatile and can be used in a variety of applications, including:
- Industrial Automation: Expanding the I/O capabilities of microcontrollers in industrial control systems.
- Consumer Electronics: Enhancing the functionality of consumer devices such as home appliances and audio equipment.
- Automotive Systems: Providing additional I/O ports in automotive control units and other vehicle systems.
- Medical Devices: Used in medical equipment to expand the I/O capabilities while maintaining low power consumption.
Q & A
- What is the primary function of the PCF8575CTS/1,112?
The primary function is to expand the I/O capabilities of microcontrollers and other I²C-bus compatible devices. - What is the package type of the PCF8575CTS/1,112?
The component is housed in a 24-lead SSOP (Shrink Small Outline Package). - What is the operating temperature range of the PCF8575CTS/1,112?
The operating temperature range is -40°C to 85°C. - What is the supply voltage range for the PCF8575CTS/1,112?
The supply voltage range is 4.5V to 5.5V. - Does the PCF8575CTS/1,112 have an interrupt feature?
Yes, it has an interrupt line (INT) to inform the microcontroller of incoming data. - What is the clock frequency of the I²C-bus interface on the PCF8575CTS/1,112?
The clock frequency is up to 400 kHz. - Is the PCF8575CTS/1,112 RoHS compliant?
Yes, it is ROHS3 compliant. - What is the current sourcing and sinking capability of the PCF8575CTS/1,112?
The component can source up to 10 mA and sink up to 25 mA. - What type of outputs does the PCF8575CTS/1,112 have?
The outputs are quasi-bidirectional and latched. - Is the PCF8575CTS/1,112 still in production?
No, the PCF8575CTS/1,112 is no longer manufactured and is considered obsolete.
