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PCA9574BS,118

Name: PCA9574BS,118
Rating: 4.7 (12 reviews)

IC XPND 400KHZ I2C SMBUS 16HVQFN

Производитель
Мфр. Часть #PCA9574BS,118
Пакет
Лист данных PCA9574BS,118 DataSheet
В наличии4452

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Спецификации

Part Status	Obsolete
Base Product Number	PCA9574
DigiKey Programmable	Not Verified
Number of I/O	8
Interface	I2C, SMBus
Interrupt Output	Yes
Features	POR
Output Type	Push-Pull
Current - Output Source/Sink	1mA, 3mA
Clock Frequency	400 kHz
Voltage - Supply	1.1V ~ 3.6V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package	16-VFQFN Exposed Pad
Supplier Device Package	16-HVQFN (3x3)
Packaging	Cut Tape (CT), Tape & Reel (TR)

Обзор

Description

The PCA9574BS,118 is a GPIO (General Purpose Input/Output) expander from NXP Semiconductors, designed to interface with microcontrollers via I2C. It features 16 bidirectional I/O pins, allowing users to expand the number of I/O ports available to a microcontroller, which is especially useful in applications with limited pin availability.
The PCA9574BS can operate at a supply voltage of 1.8V to 5.5V and supports fast-mode I2C communication with data rates of up to 400 kHz. It includes interrupt functionality, enabling the host to monitor changes on the GPIO pins efficiently.
This device is suitable for various applications, including industrial automation, consumer electronics, and communication equipment, where flexible and expandable I/O capabilities are needed. The PCA9574BS,118 is available in a TSSOP package, ensuring compact integration into a wide range of electronic designs.

Features

The PCA9574BS,118 is an I²C-bus I/O port expander with a specific feature set that includes 16 GPIO pins. It allows for the expansion of I/O capabilities in microcontroller applications, enabling additional devices to be connected via the I²C interface. Key features include:
- 16 GPIO Pins: Configurable as inputs or outputs.
- I²C Interface: Operates at standard 100 kHz or fast mode up to 400 kHz.
- Interrupt Functionality: Supports interrupt output for input changes, reducing CPU workload.
- Programmable Pull-Up Resistors: Each GPIO can be configured with internal pull-up resistors.
- Address Pins: Multiple devices can be connected on the same I²C bus by setting different address pins.
The PCA9574 is suitable for applications requiring additional I/O expansion, such as controlling LEDs, switches, or other peripherals in embedded systems, making it a versatile choice for developers.

Package

The PCA9574BS,118 is available in a TSSOP (Thin Shrink Small Outline Package) package type, specifically in a 24-pin configuration.

Pinout

The PCA9574BS,118 is an I2C-bus I/O port expander with a total of 16 pins. It features 8 GPIO pins that can be configured as either inputs or outputs. The main functions of the pins are as follows:
1. Power Supply (VDD): Pin for power supply, typically +2.3V to +5.5V.
2. Ground (GND): Ground reference for the device.
3. SDA (Serial Data Line): I2C data line for communication.
4. SCL (Serial Clock Line): I2C clock line for synchronization.
5. INT (Interrupt): Output pin that indicates when a change in input state has occurred.
6. GPIO Pins (P0 to P7): Configurable input/output pins for general-purpose use.
The PCA9574 allows for remote control of the GPIO state via the I2C interface, facilitating extended I/O functionalities in embedded systems.

Manufacturer

The PCA9574BS,118 is manufactured by NXP Semiconductors. NXP is a global semiconductor company that specializes in the design and production of a wide range of electronic components, including microcontrollers, sensors, and interface devices. The company focuses on various applications such as automotive, industrial, smart home, and Internet of Things (IoT) solutions. NXP is known for its commitment to innovation and offers products that enhance connectivity, security, and efficiency in electronic systems.

Application

The PCA9574BS,118 is an I²C-bus I/O port expander with interrupt capability. Its primary application areas include expanding the number of input/output pins for microcontrollers, interfacing with sensors and actuators in automation systems, and providing additional GPIO for various electronic devices. It is commonly used in consumer electronics, industrial automation, and communication systems, enabling efficient control and monitoring in embedded applications.

Equivalent

The PCA9574BS,118 is an I2C I/O port expander with 16 bits of I/O. Equivalent products include the MCP23017 (Microchip), TCA9555 (Texas Instruments), and PCF8575 (NXP). These devices also provide I2C interface options and offer similar functionalities for expanding GPIO capabilities. Always check the specific application requirements and pin configurations for compatibility.

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