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MAX7310AUE+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX7310AUE+

Manufacturer: MAXIM, MAX

2-Wire-Interfaced 8-Bit I/O Port Expander with Reset

Partnumber Manufacturer Quantity Availability
MAX7310AUE+,MAX7310AUE MAXIM, MAX 841 In Stock

Description and Introduction

2-Wire-Interfaced 8-Bit I/O Port Expander with Reset The **MAX7310AUE+** is a serial-interfaced peripheral manufactured by **Maxim Integrated** (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual data:

### **Manufacturer:**  
- **Maxim Integrated** (now part of Analog Devices)  

### **Specifications:**  
- **Type:** I²C-Controlled 16-Bit I/O Expander  
- **Operating Voltage:** **2.3V to 5.5V**  
- **Number of I/O Ports:** **16** (individually configurable as inputs or outputs)  
- **Interface:** **I²C-Compatible Serial Interface** (supports 400kHz fast-mode)  
- **Output Current:** **10mA per I/O** (sink/source)  
- **Input Logic Levels:** TTL/CMOS compatible  
- **Interrupt Output:** Configurable for input state change detection  
- **Package:** **16-TSSOP (4.4mm x 5mm)**  
- **Operating Temperature Range:** **-40°C to +85°C**  

### **Descriptions:**  
- The MAX7310AUE+ is a **remote I/O expander** that provides **16 general-purpose I/O ports** via an I²C serial interface.  
- It allows microcontrollers with limited I/O pins to expand their capabilities by controlling multiple devices.  
- Each I/O pin can be independently configured as an **input, output, or interrupt source**.  
- Includes **internal pull-up resistors** (100kΩ typical) for input ports.  

### **Features:**  
- **Low Standby Current:** Typically **1µA** in shutdown mode.  
- **Programmable Reset State:** Outputs default to logic high on power-up.  
- **Noise Filtering:** Built-in deglitch circuitry for input stability.  
- **Interrupt Output:** Alerts the host controller of input changes.  
- **Small Footprint:** TSSOP package saves board space.  

For detailed electrical characteristics and timing diagrams, refer to the official **MAX7310 datasheet** from Analog Devices.

Application Scenarios & Design Considerations

2-Wire-Interfaced 8-Bit I/O Port Expander with Reset

Alternative Part Number

  • PCA9535PW --: 16-bit I2C I/O expander with similar register-based GPIO functionality, widely available and pin-compatible in function.
  • TCA9535PWR --: Pin-to-pin functional equivalent I2C I/O expander with 16 GPIOs, good drop-in candidate for MAX7310 designs.
  • PCF8574T --: Simple 8-bit I2C I/O expander offering similar GPIO expansion role, lower cost and very common alternative.
  • PCA9535PW,112 --: 16-bit I2C GPIO expander with similar register-based I/O expansion functionality; widely available and pin-compatible in function, though package differs (TSSOP vs TSSOP-16).

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