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MAX7314ATG+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX7314ATG+T

Manufacturer: MAXIM, MAXI

18-Port GPIO with LED Intensity Control, Interrupt, and Hot-Insertion Protection

Partnumber Manufacturer Quantity Availability
MAX7314ATG+T MAXIM, MAXI 3613 In Stock

Description and Introduction

18-Port GPIO with LED Intensity Control, Interrupt, and Hot-Insertion Protection The **MAX7314ATG+T** is a **16-bit I²C port expander with interrupt** from **Maxim Integrated** (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Maxim Integrated (Analog Devices)  
- **Package:** 24-TQFN (4x4mm)  
- **Operating Voltage:** **1.65V to 5.5V**  
- **Number of I/O Ports:** **16** (configurable as inputs or outputs)  
- **Interface:** **I²C-compatible** (up to **400kHz**)  
- **Interrupt Output:** Configurable for input state changes  
- **Current Consumption:** Low standby current  
- **Operating Temperature Range:** **-40°C to +125°C**  

### **Descriptions:**
- The MAX7314ATG+T is a **general-purpose I/O expander** that communicates via the **I²C bus**, allowing a microcontroller to control up to **16 GPIOs** with minimal wiring.  
- It features **interrupt capability**, notifying the host of input changes without continuous polling.  
- Each I/O pin is **independently configurable** as an input or output with **internal pull-up resistors**.  

### **Features:**
- **16 configurable GPIO pins** (individually programmable as inputs or outputs)  
- **I²C interface** (supports standard, fast, and high-speed modes)  
- **Interrupt output** for monitoring input changes  
- **Internal pull-up resistors** (eliminates external components)  
- **Wide voltage range** (1.65V to 5.5V) for compatibility with various logic levels  
- **Low-power operation** (suitable for battery-powered applications)  
- **Industrial temperature range** (-40°C to +125°C)  

This device is commonly used in **industrial control, consumer electronics, and embedded systems** for expanding I/O capabilities efficiently.  

Would you like additional details on pin configurations or application notes?

Application Scenarios & Design Considerations

18-Port GPIO with LED Intensity Control, Interrupt, and Hot-Insertion Protection

Alternative Part Number

  • PCA9535PW,118 --: 16-bit I2C GPIO expander with similar functionality and pin-compatible TSSOP package, widely available and cost-effective.
  • TCA9535PWR --: 16-bit I2C/SMBus I/O expander with interrupt output, direct functional equivalent to MAX7314 in a TSSOP package.
  • PCF8575TS/1,118 --: 16-bit I2C I/O expander with open-drain outputs, suitable drop-in alternative for GPIO expansion applications.
  • PCA9535PW,112 --: 16-bit I2C GPIO expander with similar functionality and pin-compatible TSSOP package; widely available and cost-effective.
  • PCF8575TS/1,112 --: 16-bit I2C I/O expander with open-drain outputs; suitable alternative when interrupt handling is not critical.

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