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MAX7311ATG+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX7311ATG+

Manufacturer: MAXIM

2-Wire-Interfaced 16-Bit I/O Port Expander with Interrupt and Hot-Insertion Protection

Partnumber Manufacturer Quantity Availability
MAX7311ATG+ MAXIM 1800 In Stock

Description and Introduction

2-Wire-Interfaced 16-Bit I/O Port Expander with Interrupt and Hot-Insertion Protection The MAX7311ATG+ is a serial-interfaced peripheral manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual data:

### **Specifications:**
- **Manufacturer:** Maxim Integrated (Analog Devices)  
- **Part Number:** MAX7311ATG+  
- **Package:** 24-TQFN (4x4mm)  
- **Operating Voltage:** 2.3V to 5.5V  
- **Number of I/O Ports:** 16 (8 input/output + 8 input-only)  
- **Interface:** I²C-compatible (400kHz)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Current Consumption:** Low standby current (typ. 1µA)  

### **Descriptions:**
The MAX7311ATG+ is a 16-port I/O expander with an I²C-compatible serial interface. It provides flexible GPIO expansion for microcontrollers, supporting both input and output configurations. The device includes internal pull-up resistors, programmable interrupt masking, and high drive capability for LEDs or other loads.

### **Features:**
- **16 Programmable I/O Pins:**  
  - 8 configurable as input/output (push-pull or open-drain).  
  - 8 dedicated input-only ports (with optional internal pull-ups).  
- **I²C Fast-Mode (400kHz) Interface:**  
  - Supports multiple devices on the same bus (7-bit addressing).  
- **Interrupt Output:**  
  - Notifies the host of input state changes.  
- **Internal Pull-Up Resistors:**  
  - Programmable per port (100kΩ typ).  
- **High Output Drive:**  
  - 25mA sink capability per I/O.  
- **Low Power Consumption:**  
  - 1µA (typ) standby current.  
- **Wide Voltage Range:**  
  - Operates from 2.3V to 5.5V.  
- **Industrial Temperature Range:**  
  - -40°C to +125°C.  

This information is sourced from the manufacturer's datasheet and product documentation.

Application Scenarios & Design Considerations

2-Wire-Interfaced 16-Bit I/O Port Expander with Interrupt and Hot-Insertion Protection

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