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MAX7315AEE+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX7315AEE+

Manufacturer: MAXIM, MAX

8-Port I/O Expander with LED Intensity Control, Interrupt, and Hot-Insertion Protection

Partnumber Manufacturer Quantity Availability
MAX7315AEE+,MAX7315AEE MAXIM, MAX 116 In Stock

Description and Introduction

8-Port I/O Expander with LED Intensity Control, Interrupt, and Hot-Insertion Protection The MAX7315AEE+ is a serial-interfaced peripheral manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX7315AEE+  
- **Type:** I²C-Interfaced 16-Bit I/O Expander  
- **Operating Voltage:** 2.3V to 5.5V  
- **Number of I/O Ports:** 16 (configurable as inputs or outputs)  
- **Interface:** I²C-compatible (supports 400kHz fast-mode)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-pin QSOP  

### **Descriptions:**
The MAX7315AEE+ is a low-voltage, 16-bit I/O expander that communicates via the I²C serial interface. It provides general-purpose remote I/O expansion for microcontrollers, enabling bidirectional control of up to 16 GPIO pins. Each I/O port can be individually configured as an input or output. The device includes internal pull-up resistors, interrupt outputs, and supports hot insertion.

### **Features:**
- **16 Programmable I/O Pins:** Each pin can be independently set as input or output.  
- **I²C-Compatible Interface:** Supports standard (100kHz) and fast-mode (400kHz) I²C communication.  
- **Internal Pull-Up Resistors:** Eliminates the need for external resistors on input pins.  
- **Interrupt Output:** Alerts the host microcontroller of input state changes.  
- **Low Standby Current:** Consumes minimal power in shutdown mode.  
- **Hot-Insertion Capable:** Designed for applications requiring hot-swapping.  
- **Wide Operating Voltage Range:** 2.3V to 5.5V for compatibility with various systems.  

This device is commonly used in industrial controls, networking equipment, and embedded systems requiring additional I/O expansion.

Application Scenarios & Design Considerations

8-Port I/O Expander with LED Intensity Control, Interrupt, and Hot-Insertion Protection

Alternative Part Number

  • PCA9535PW --: 16-bit I2C I/O expander with similar register-based GPIO functionality, widely available and pin-compatible in function.
  • TCA9535PWR --: Direct functional equivalent 16-bit I2C/SMBus I/O expander with interrupt output, good drop-in replacement for MAX7315 applications.
  • PCF8575TS --: 16-bit I2C I/O expander with open-drain outputs, commonly used as an alternative when full pin-for-pin match is not required.

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