Overview
The PCF8575CTS/1,118 is a remote 16-bit I/O expander produced by NXP USA Inc. This device is designed to expand the I/O capabilities of microcontrollers via an I2C-bus interface. It features a 16-bit quasi-bidirectional port, allowing for flexible input/output operations. The PCF8575CTS/1,118 is particularly useful in applications where additional I/O lines are needed without increasing the pin count of the microcontroller.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 2.5V to 5.5V | V |
| Operating Temperature | -40°C to 85°C | °C |
| I2C Bus Frequency | 400 kHz | kHz |
| Number of I/Os | 16 | - |
| Output Current (Source/Sink) | 25 mA | mA |
| Package Type | SSOP-24 | - |
| Interrupt Output | Yes | - |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | - |
| RoHS Status | ROHS3 Compliant | - |
Key Features
- Quasi-bidirectional I/O Ports: The device features 16 quasi-bidirectional I/O ports, allowing for both input and output operations.
- I2C-Bus Interface: Supports an I2C-bus interface with a clock frequency of up to 400 kHz.
- Interrupt Capability: Includes an interrupt line (INT) that can inform the microcontroller of incoming data without using the I2C-bus.
- Low Current Consumption: Designed with low current consumption, making it energy-efficient.
- High Current Drive Capability: Latched outputs with high current drive capability for directly driving LEDs.
- Power-On Reset (POR): Features a power-on reset to ensure proper initialization.
- Lead-Free and ROHS Compliant: Compliant with ROHS3 standards and lead-free.
Applications
- Microcontroller Expansion: Ideal for expanding the I/O capabilities of microcontrollers in various applications.
- Industrial Automation: Used in industrial automation systems where additional I/O lines are required.
- Embedded Systems: Suitable for embedded systems that need to interface with multiple peripherals.
- Consumer Electronics: Found in consumer electronics such as home appliances and gadgets requiring extended I/O functionality.
Q & A
- What is the PCF8575CTS/1,118 used for?
The PCF8575CTS/1,118 is used to expand the I/O capabilities of microcontrollers via an I2C-bus interface.
- What is the operating voltage range of the PCF8575CTS/1,118?
The operating voltage range is from 2.5V to 5.5V.
- What is the maximum I2C bus frequency supported by the PCF8575CTS/1,118?
The maximum I2C bus frequency supported is 400 kHz.
- How many I/O lines does the PCF8575CTS/1,118 provide?
The device provides 16 quasi-bidirectional I/O lines.
- Does the PCF8575CTS/1,118 have an interrupt output?
Yes, it includes an interrupt line (INT) to inform the microcontroller of incoming data.
- What is the package type of the PCF8575CTS/1,118?
The package type is SSOP-24.
- Is the PCF8575CTS/1,118 ROHS compliant?
Yes, it is ROHS3 compliant and lead-free.
- What is the moisture sensitivity level (MSL) of the PCF8575CTS/1,118?
The MSL is 1 (Unlimited).
- What is the maximum output current of the PCF8575CTS/1,118?
The maximum output current is 25 mA.
- What are some common applications of the PCF8575CTS/1,118?
Common applications include microcontroller expansion, industrial automation, embedded systems, and consumer electronics.
