TCA6408ARSVR

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TCA6408ARSVR

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IC I/O EXPANDER I2C 8B 16QFN

  • ManufacturerTexas Instruments

  • Mfr. Part #TCA6408ARSVR

  • Package UQFN (RSV)-16

  • In Stock6765

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Specifications

Attribute Value
Package Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus Active
NumberofI/O 8
Interface I²C, SMBus
InterruptOutput Yes
Features POR
OutputType Push-Pull
Current-OutputSource/Sink 10mA, 25mA
ClockFrequency 400 kHz
Voltage-Supply 1.65V ~ 5.5V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 16-UFQFN

Overview

Description

The TCA6408ARSVR is an integrated circuit from Texas Instruments, designed as an I²C or SMBus-compatible I/O expander. It offers 8-bit general-purpose parallel input/output (GPIO) with a focus on expanding the number of I/O pins available in a microcontroller or microprocessor-based system. This component is useful in applications where additional I/O is required without the need for redesigning the entire system architecture.
Key features include:
1. I²C Interface: It allows communication with multiple devices through a two-wire bus, supporting fast-mode transfer rates up to 400 kHz.
2. Configurable I/O: Each of the 8 pins can be configured individually as either input or output.
3. Low Voltage Operation: Operates from 1.65V to 3.6V, making it suitable for low-power applications.
4. Interrupt Output: Provides an interrupt signal for detecting input changes, useful for efficient polling.
5. Small Package: Available in a compact VQFN package, ideal for space-constrained designs.
The TCA6408ARSVR is commonly used in consumer electronics, industrial control, and other applications requiring extended I/O capabilities.

Equivalent

The TCA6408ARSVR is an 8-bit I2C and SMBus I/O expander. Equivalent products include:
1. PCA6408A by NXP
2. PCF8574 by NXP
3. MCP23008 by Microchip Technology
4. SX1508 by Semtech
These alternatives vary in features and specifications, so review datasheets to ensure compatibility with your specific application needs.

Features

The TCA6408ARSVR is an 8-bit I/O expander from Texas Instruments, designed primarily for I²C (Inter-Integrated Circuit) and SMBus (System Management Bus) applications. Notable features include:
1. I²C Interface: Supports standard (100 kHz), fast (400 kHz), and fast-plus (1 MHz) I²C bus frequencies, providing flexibility for various applications.
2. Voltage Range: Operates with a supply voltage ranging from 1.65 V to 5.5 V, accommodating a wide range of power supply systems.
3. 8-bit I/O Port: Offers eight configurable input/output pins, which can be used to monitor and control devices.
4. Interrupt Output: Includes an interrupt output pin that informs the microcontroller about input changes, optimizing response time.
5. Low Standby Current: Features extremely low standby current consumption, making it suitable for battery-operated devices.
6. SMBus Alert Pin: Supports a dedicated SMBus alert pin for enhanced communication efficiency in system management applications.
7. Package Options: Available in various compact packages, supporting space-constrained designs.
These features make the TCA6408ARSVR ideal for expanding the GPIO capabilities in embedded systems, consumer electronics, and industrial applications.

Pinout

The TCA6408ARSVR is an 8-bit I2C General Purpose Input/Output (GPIO) expander. It is typically available in a 16-pin package. The device allows for I2C communication to control additional GPIO pins, which facilitates the expansion of I/O resources in microcontroller-based systems.
Key functions and features include:
- GPIO Expansion: Provides 8 additional GPIO pins.
- I2C Interface: Compatible with I2C bus for control and configuration.
- Interrupt Output: Includes an interrupt output to signal changes on the input pins.
- Configurable I/O: Each GPIO pin can be configured as input or output.
- Voltage Levels: Supports multiple voltage levels to interface with different systems.
- Low Standby Current: Offers low power consumption in standby mode.
This device optimizes I2C-based systems by extending the number of I/O ports without significant increases in complexity or cost, making it suitable for various applications in consumer electronics, industrial controls, and more.

Manufacturer

The TCA6408ARSVR is manufactured by Texas Instruments. Texas Instruments is a global semiconductor company, known for designing and manufacturing a wide range of integrated circuits and semiconductor solutions. They serve various sectors including industrial, automotive, personal electronics, and communications equipment. The company is recognized for its innovation and leadership in analog and embedded processing products.

Application

The TCA6408ARSVR is an I2C-bus controlled 8-bit I/O expander, commonly used in applications that require additional I/O ports beyond what is available on a microcontroller. Key application areas include:
1. Industrial Automation: For controlling additional sensors and actuators.
2. Consumer Electronics: Extending GPIO for user interfaces and control panels.
3. Embedded Systems: Expanding I/O capabilities in IoT devices.
4. Automotive: Used in infotainment systems and vehicle body electronics.
5. Home Automation: Integrating various input/output devices for smart home systems.
6. Communication Equipment: Managing additional inputs/outputs in network devices.
Its ability to interface via the I2C bus makes it versatile for various compact and low-power applications.

Package

The TCA6408ARSVR is an I2C-controlled 8-bit I/O expander manufactured by Texas Instruments. It comes in a WQFN (RSV) package type, which stands for very thin quad flat no-lead package, with a 16-pin configuration. This package type is compact and typically used for applications requiring efficient use of PCB space.

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