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MAX7328AAP+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX7328AAP+

Manufacturer: MAXIM

I²C Port Expanders with Eight I/O Ports

Partnumber Manufacturer Quantity Availability
MAX7328AAP+,MAX7328AAP MAXIM 7 In Stock

Description and Introduction

I²C Port Expanders with Eight I/O Ports The **MAX7328AAP+** is a serial-interfaced peripheral manufactured by **MAXIM** (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** MAXIM (now Analog Devices)  
- **Package:** 20-SSOP  
- **Type:** I²C/SMBus-Compatible I/O Expander  
- **Number of I/O Ports:** 8  
- **Interface:** I²C, SMBus (up to 400kHz)  
- **Supply Voltage:** 1.71V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Output Current:** 25mA per I/O (sink/source)  
- **Interrupt Output:** Yes (for input monitoring)  
- **Address Options:** 8 selectable I²C addresses  

### **Descriptions:**
The MAX7328AAP+ is an I/O expander that provides 8 configurable GPIO ports via an I²C/SMBus interface. It is designed to simplify microcontroller-based designs by adding extra I/O lines with minimal wiring.  

### **Features:**
- **Wide Voltage Range:** Operates from 1.71V to 5.5V, compatible with low-voltage microcontrollers.  
- **Configurable I/O Ports:** Each port can be independently set as input or output.  
- **Interrupt Capability:** Monitors input changes and alerts the host via an interrupt pin.  
- **Low Standby Current:** Consumes minimal power in shutdown mode.  
- **Strong Output Drive:** Capable of sourcing/sinking 25mA per I/O.  
- **Small Package:** 20-pin SSOP for space-constrained applications.  
- **Hot Insertion Protection:** Supports hot-swappable applications.  

This device is commonly used in industrial control, consumer electronics, and embedded systems requiring additional I/O expansion.

Application Scenarios & Design Considerations

I²C Port Expanders with Eight I/O Ports

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