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MAX7328AWE+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX7328AWE+

Manufacturer: MAXIM

I²C Port Expanders with Eight I/O Ports

Partnumber Manufacturer Quantity Availability
MAX7328AWE+ MAXIM 6 In Stock

Description and Introduction

I²C Port Expanders with Eight I/O Ports The MAX7328AWE+ is a serial-interfaced peripheral manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX7328AWE+  
- **Package:** 16-pin SOIC (Wide)  
- **Interface:** I²C-compatible 2-wire serial interface  
- **Operating Voltage:** 2.5V to 5.5V  
- **Number of I/O Ports:** 8 (configurable as inputs or outputs)  
- **Output Current:** 25mA per pin (max)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Interrupt Output:** Yes (for input state change detection)  

### **Descriptions:**
The MAX7328AWE+ is an I²C-controlled I/O expander that provides 8 additional general-purpose I/O ports. It is designed for applications requiring extra GPIOs beyond what a microcontroller offers. The device supports both input and output configurations and includes an interrupt output to notify the host of input changes.

### **Features:**
- **8 Configurable I/O Pins:** Each pin can be independently set as an input or output.  
- **I²C-Compatible Interface:** Supports standard (100kHz) and fast (400kHz) modes.  
- **Interrupt Output:** Alerts the host when an input changes state.  
- **Low Standby Current:** Typically 1µA in shutdown mode.  
- **Internal Pull-Up Resistors:** Eliminates the need for external resistors on input pins.  
- **Power-On Reset:** Defaults all ports as inputs with high-impedance state.  
- **Small Footprint:** 16-pin SOIC package for space-constrained designs.  

This information is based on the manufacturer's datasheet. For detailed electrical characteristics and application notes, refer to the official documentation.

Application Scenarios & Design Considerations

I²C Port Expanders with Eight I/O Ports

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