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MAX7312AAG+T from MAX,MAXIM - Dallas Semiconductor

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MAX7312AAG+T

Manufacturer: MAX

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

Partnumber Manufacturer Quantity Availability
MAX7312AAG+T MAX 701 In Stock

Description and Introduction

2-Wire-Interfaced 16-Bit I/O Port Expander with Interrupt and Hot-Insertion Protection The MAX7312AAG+T is a 16-port I²C GPIO expander manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Manufacturer:** Maxim Integrated (Analog Devices)  
### **Part Number:** MAX7312AAG+T  

### **Description:**  
The MAX7312AAG+T is a 16-bit I²C-interfaced GPIO expander designed to provide additional input/output ports for microcontrollers or processors. It supports both input and output configurations and includes features like interrupt generation and programmable pull-up resistors.

### **Key Features:**  
- **16 GPIO Ports:** Configurable as inputs or outputs.  
- **I²C Interface:** Supports standard (100kHz) and fast (400kHz) modes.  
- **Interrupt Output:** Notifies the host of input changes.  
- **Programmable Pull-Up Resistors:** Each port can have an internal pull-up enabled.  
- **Low Standby Current:** Typically **1µA** in shutdown mode.  
- **Wide Voltage Range:** Operates from **1.65V to 5.5V**, making it compatible with various logic levels.  
- **High Output Drive:** Up to **20mA** sink capability per I/O.  
- **Industrial Temperature Range:** **-40°C to +125°C**.  
- **Package:** **24-pin SSOP** (Shrink Small Outline Package).  

### **Applications:**  
- Industrial control systems  
- Consumer electronics  
- LED control  
- Keypad and button monitoring  
- System expansion for microcontrollers  

This device is ideal for applications requiring additional I/O ports with minimal microcontroller overhead.  

(Note: Always refer to the official datasheet for detailed electrical characteristics and application guidelines.)

Application Scenarios & Design Considerations

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

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