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MAX7300ATL+ from MAIXM

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MAX7300ATL+

Manufacturer: MAIXM

2-Wire-Interfaced, 2.5V to 5.5V, 20-Port or 28-Port I/O Expander

Partnumber Manufacturer Quantity Availability
MAX7300ATL+ MAIXM 2500 In Stock

Description and Introduction

2-Wire-Interfaced, 2.5V to 5.5V, 20-Port or 28-Port I/O Expander The MAX7300ATL+ 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:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated (MAIXM)  
- **Part Number:** MAX7300ATL+  
- **Type:** I/O Expander  
- **Interface:** 4-Wire SPI (Serial Peripheral Interface)  
- **Operating Voltage:** 2.7V to 5.5V  
- **Number of I/O Ports:** 20 (configurable as inputs or outputs)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 40-Pin TQFN (Thin Quad Flat No-Lead)  

### **Descriptions:**  
The MAX7300ATL+ is a low-voltage, high-performance I/O expander designed to provide additional GPIO (General-Purpose Input/Output) ports for microcontrollers via SPI. It features 20 configurable I/O pins, allowing flexible interfacing with sensors, switches, LEDs, and other peripherals.  

### **Features:**  
- **Programmable I/O Modes:** Each pin can be independently configured as an input or output.  
- **High Drive Strength:** Outputs can sink/source up to 25mA per pin.  
- **Low Standby Current:** Consumes minimal power in shutdown mode.  
- **Schmitt-Trigger Inputs:** Ensures noise immunity for input signals.  
- **Internal Pull-Up Resistors:** Configurable for input pins.  
- **Power-On Reset:** Default I/O state at startup for system stability.  

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

Application Scenarios & Design Considerations

2-Wire-Interfaced, 2.5V to 5.5V, 20-Port or 28-Port I/O Expander

Alternative Part Number

  • PCA9535PW --: 16-bit I2C GPIO expander with similar functionality and register-based control, widely available and pin-compatible in function.
  • TCA9535PWR --: Direct functional equivalent 16-bit I2C I/O expander with interrupt output, low power and similar electrical characteristics.
  • PCF8575TS --: 16-bit I2C GPIO expander offering comparable I/O expansion capability, commonly used as a drop-in functional substitute.

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