MAX7321ATE+T

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MAX7321ATE+T

IC XPNDR 400KHZ I2C 16TQFN

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Especificaciones

Part Status Active
DigiKey Programmable Not Verified
Number of I/O 8
Interface I2C
Interrupt Output Yes
Features POR
Output Type Open Drain, Push-Pull
Current - Output Source/Sink 20mA
Clock Frequency 400 kHz
Voltage - Supply 1.71V ~ 5.5V
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case 16-WFQFN Exposed Pad
Supplier Device Package 16-TQFN (3x3)
Base Product Number MAX7321

Descripción general

Description

The MAX7321ATE+T is a versatile I2C-compatible I/O port expander designed to increase the number of input/output pins from a microcontroller. It features 16 GPIO (General Purpose Input/Output) pins that can be individually configured as either inputs or outputs. This chip is particularly useful in applications where additional I/O capability is needed, such as in embedded systems, sensors, and actuators.
The MAX7321 operates from a supply voltage of 1.8V to 5.5V and communicates over the I2C bus, allowing for easy integration into existing designs. It supports multiple device connections on the same bus through configurable addresses. The device also includes features like interrupt generation for input changes, allowing for efficient event-driven programming.
The package is compact, making it suitable for space-constrained applications. Overall, the MAX7321ATE+T is ideal for enhancing I/O flexibility in various electronic projects and products.

Features

The MAX7321ATE+T is a 16-channel I2C-compatible GPIO (General Purpose Input/Output) expander designed for various applications. Key features include:
1. I2C Interface: Supports standard I2C communication, enabling easy integration with microcontrollers.
2. 16 GPIO Pins: Configurable as input or output, allowing flexible connection to various peripherals.
3. Programmable Pull-Up Resistors: Each GPIO pin can have an internal pull-up resistor enabled or disabled, facilitating different circuit designs.
4. Interrupt Output: Can generate interrupts for changes in input states, enhancing responsiveness in applications.
5. Operating Voltage: Functions within a supply voltage range of 1.8V to 5.5V, making it suitable for low-power applications.
6. Multiple Devices on I2C: Supports multiple MAX7321 devices on the same I2C bus by allowing address configuration.
7. Low Power Consumption: Designed for energy-efficient operation, ideal for battery-powered devices.
These features make the MAX7321ATE+T versatile for numerous applications, including consumer electronics, industrial automation, and IoT devices.

Package

The MAX7321ATE+T is packaged in a 16-pin TQFN (Thin Quad Flat No-lead) package. This surface-mount package features a compact design, suitable for space-constrained applications.

Pinout

The MAX7321ATE+T is a 16-channel I²C I/O expander from Maxim Integrated. It features a total of 20 pins. The function of these pins includes:
- 16 GPIO pins: Configurable as either input or output, allowing for control of external devices or reading their states.
- I²C interface pins: Includes SDA (data line) and SCL (clock line) for communication with a microcontroller or other I²C devices.
- Power supply pin (VCC): Provides the necessary voltage for the device operation.
- Ground pin (GND): Common ground reference for the device.
- Address pins (A0, A1, A2): Allow for setting the device's I²C address, enabling multiple devices on the same bus.
This I/O expander is useful for applications requiring additional I/O lines, such as in microcontroller-based designs.

Manufacturer

The MAX7321ATE+T is manufactured by Maxim Integrated, which is a semiconductor company that specializes in designing and producing analog and mixed-signal integrated circuits. Founded in 1983, Maxim Integrated focuses on various applications, including power management, data conversion, signal processing, and interface solutions. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., further expanding its portfolio and capabilities in the semiconductor industry. The MAX7321ATE+T is specifically a I²C-compatible GPIO (General Purpose Input/Output) expander, allowing for increased I/O capabilities in various electronic applications.

Application

The MAX7321ATE+T is a digital I/O expander that interfaces with microcontrollers via I2C. Its application areas include enhancing GPIO capabilities in embedded systems, managing multiple input devices (like buttons and sensors), controlling output devices (such as LEDs and relays), and expanding I/O for various consumer electronics, automotive systems, and industrial automation. It is useful in applications requiring additional I/O without increasing microcontroller pin count.

Equivalent

The MAX7321ATE+T is a GPIO expander with I²C interface. Equivalent products include:
1. MCP23008 - Microchip Technology
2. PCF8574 - NXP Semiconductors
3. TCA9555 - Texas Instruments
4. PCA9555 - NXP Semiconductors
These alternatives offer similar functionalities for expanding GPIO via I²C but may differ in specifications, such as number of I/O pins and voltage levels. Always verify the specific requirements and compatibility for your application.

Envío

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Referencia de tarifas de envío (DHL/FedEx):

DHL: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 2-5 días hábiles.

FedEx: El costo de envío oscila entre $25-$40 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

TNT: El costo de envío oscila entre $25-$65 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

EMS: El costo de envío oscila entre $30-$50 (0.5kg), con un plazo de entrega estimado de 7-15 días hábiles.

Correo aéreo registrado: El costo de envío es de $2-$4 (0.1kg), con un tiempo de entrega estimado de 5-20 días hábiles.

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