TCA7408ZSZR

이미지는 참조용입니다.

TCA7408ZSZR

+BOM

IC XPNDR 400KHZ I2C SMBUS 16UCSP

  • 제조업체텍사스 인스트루먼트(주)

  • 제조업체 부품 #TCA7408ZSZR

  • 재고4200

365 1일 품질 보증

7*24 영업 시간 서비스 보증

90-판매 후 1일 보증

정품 보증

사양

속성 가치
Part Status Obsolete
Base Product Number TCA740
Digi Key Programmable Not Verified
Number of I/O 8
Interface I2C, SMBus
Interrupt Output Yes
Features POR
Output Type Push-Pull
Current - Output Source / Sink 10mA
Clock Frequency 400 kHz
Voltage - Supply 1.65V ~ 3.6V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 16-UFBGA, CSPBGA
Supplier Device Package 16-UCSP (2x2)
Packaging Tape & Reel (TR)

개요

Description

The TCA7408ZSZR is an integrated circuit designed by Texas Instruments. It is an I2C bus-controlled, 8-bit I/O expander, commonly used in applications requiring additional GPIO (General Purpose Input/Output) pins beyond what is available on a microcontroller. The device communicates via an I2C interface, allowing it to be controlled through just two wires (SDA and SCL), which conserves pins on the primary controller.
Key features of the TCA7408ZSZR include a wide operating voltage range, typically from 1.65V to 5.5V, making it suitable for various power supply environments. It supports up to 400kHz fast-mode I2C communication and provides features like interrupt output for alerting the host controller of pin state changes. The device also includes power-on reset and an open-drain interrupt output.
The TCA7408ZSZR can be used in numerous applications, including industrial automation, consumer electronics, and any embedded system requiring additional I/O ports. It comes in a compact package, making it ideal for space-constrained designs.

Equivalent

The TCA7408ZSZR is an octal I²C bus and SMBus low power I/O expander from Texas Instruments. Equivalent products include the PCA9554 from NXP, the MCP23008 from Microchip Technology, and the SX1508BIWLTRT from Semtech. These chips offer comparable features such as I²C interfaces and similar GPIO expansion capabilities. Always verify pin configuration and electrical characteristics to ensure compatibility with your specific application.

Features

The TCA7408ZSZR is an 8-bit I²C and SMBus I/O expander with a wide operating voltage range, making it suitable for various applications. Key features include:
1. I²C Interface: Supports standard, fast, and fast-plus I²C speeds for easy integration with microcontrollers.
2. 8-bit I/O Port: Provides 8 GPIOs that can be independently configured as inputs or outputs.
3. Wide Voltage Range: Operates from 1.65 V to 5.5 V, allowing for compatibility with different logic levels.
4. Interrupt Output: Includes an interrupt output pin for alerting the microcontroller to status changes.
5. Low Standby Current: Offers low power consumption suitable for battery-operated devices.
6. ESD Protection: Equipped with ESD protection to enhance durability and reliability.
7. Small Package: Available in a compact package, ideal for space-constrained applications.
These features make the TCA7408ZSZR suitable for expanding the I/O capabilities of microcontrollers in various applications, including industrial, consumer electronics, and more.

Pinout

The TCA7408ZSZR is an 8-bit I2C and SMBus I/O expander with a specific pin count and functions. It features 20 pins in its package. The primary function of this device is to expand the number of I/O pins available to a microcontroller via the I2C or SMBus interface, allowing for additional control and monitoring capabilities without needing more direct pins from the MCU. This makes it ideal for applications where multiple GPIOs are required but limited by the microcontroller's pin availability. The pins include connections for power supply, ground, I2C communication (SDA and SCL), and the 8 I/O pins that can be individually configured as inputs or outputs. Additionally, it may include pins for reset and interrupt functions, as well as address pins to set the I2C address.

Manufacturer

The TCA7408ZSZR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor design and manufacturing company that develops analog ICs and embedded processors. The company is known for its wide range of products that serve various industries, including industrial, automotive, personal electronics, communications, and enterprise systems. TI focuses on innovation and quality in its semiconductor solutions, providing essential components that are integral to the functioning of electronic devices and systems.

Application

The TCA7408ZSZR is an I2C-bus controlled 8-bit I/O expander. Its application areas include:
1. Microcontroller I/O Expansion: Useful in systems where additional I/O ports are needed beyond what is available on a microcontroller.
2. LED and Display Control: Can be used to drive and manage LEDs and small display units in consumer electronics.
3. Home Automation: Facilitates controlling various sensors and actuators in smart home devices.
4. Industrial Automation: Supports control and monitoring systems in industrial environments.
5. Data Acquisition Systems: Useful in capturing input from multiple sensors and sending it to a central processor for analysis.
6. Embedded Systems: Ideal for compact applications that require minimal wiring and efficient I/O operations.

Package

The TCA7408ZSZR is a 20-pin BGA MicroStar Junior package.

TCA7408ZSZR과 관련된 제품