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MAX7359ETG+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX7359ETG+

Manufacturer: MAXIM

2-Wire Interfaced Low-EMI Key Switch Controller/GPO

Partnumber Manufacturer Quantity Availability
MAX7359ETG+ MAXIM 40000 In Stock

Description and Introduction

2-Wire Interfaced Low-EMI Key Switch Controller/GPO The **MAX7359ETG+** is a **key matrix encoder** manufactured by **MAXIM** (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** MAXIM (Analog Devices)  
- **Part Number:** MAX7359ETG+  
- **Package:** 24-TQFN (4x4mm)  
- **Operating Voltage:** 2.5V to 5.5V  
- **Key Matrix Support:** 8x8 (64 keys)  
- **Interface:** I²C-compatible (up to 400kHz)  
- **Debounce Time:** Programmable (0.5ms to 64ms)  
- **Interrupt Output:** Configurable for key press/release  
- **Power Consumption:**  
  - Active Mode: 150µA (typical)  
  - Shutdown Mode: 1µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX7359ETG+ is a **key matrix encoder IC** designed to interface with mechanical key switches in an 8x8 matrix configuration. It includes built-in **debounce logic** and communicates via an **I²C interface**, reducing the need for external components. The device supports **interrupt-driven operation**, allowing efficient power management in low-power applications.  

### **Features:**  
- **64-Key Matrix Support** (8 rows x 8 columns)  
- **Programmable Debounce Time** (0.5ms to 64ms)  
- **I²C-Compatible Interface** (slave address configurable)  
- **Interrupt Output** for key event detection  
- **Low Power Consumption** (1µA in shutdown mode)  
- **Internal Pull-Up Resistors** (eliminates external resistors)  
- **Automatic Key Scan & Encoding**  
- **2.5V to 5.5V Supply Voltage Range**  
- **Industrial Temperature Range (-40°C to +85°C)**  

This information is strictly based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

2-Wire Interfaced Low-EMI Key Switch Controller/GPO

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