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STMPE801MTR from ST,ST Microelectronics

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STMPE801MTR

Manufacturer: ST, STMicroelectronics

8-bit port expander Xpander Logic

Partnumber Manufacturer Quantity Availability
STMPE801MTR ST, STMicroelectronics 3144 In Stock

Description and Introduction

8-bit port expander Xpander Logic The **STMPE801MTR** is a **GPIO expander** manufactured by **STMicroelectronics**. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Interface:** **I²C** (up to 400 kHz)  
- **Number of GPIOs:** **8** (configurable as input/output)  
- **Operating Voltage:** **1.65V to 3.6V**  
- **Current Consumption (Active Mode):** **10 µA (typical)**  
- **Current Consumption (Standby Mode):** **1 µA (typical)**  
- **Interrupt Output:** Supports configurable edge detection  
- **ESD Protection:** **±4 kV HBM** (Human Body Model)  
- **Package:** **TSSOP-16**  

### **Descriptions:**
- The **STMPE801MTR** is a **low-voltage GPIO expander** designed for **I²C communication**.  
- It provides **8 general-purpose I/O pins** that can be individually configured as **inputs or outputs**.  
- It includes **interrupt functionality** for efficient event-driven applications.  
- Suitable for **battery-powered devices** due to its low power consumption.  

### **Features:**
- **8-bit GPIO expansion** with configurable I/O direction.  
- **Programmable interrupt generation** on pin state change.  
- **Low-voltage operation** (1.65V to 3.6V).  
- **Ultra-low power consumption** in active and standby modes.  
- **I²C-compatible interface** with **400 kHz support**.  
- **Robust ESD protection** (±4 kV HBM).  
- **Compact TSSOP-16 package** for space-constrained applications.  

This device is commonly used in **portable electronics, industrial controls, and embedded systems** requiring additional GPIOs.  

(Data sourced from **STMicroelectronics' official documentation**.)

Application Scenarios & Design Considerations

8-bit port expander Xpander Logic

Alternative Part Number

  • PCA9538PW --: 8-bit I2C I/O expander with interrupt, functionally similar to STMPE801 and widely available.
  • TCA9538PW --: Pin-compatible 8-bit I2C I/O expander with interrupt output, direct functional replacement.
  • MAX7311AEE+ --: 16-bit I2C I/O expander with interrupt, offers more I/O and similar interface for design flexibility.
  • TCA9535PWR --: 16-bit I2C I/O expander with interrupt output, functionally similar to the STMPE801 and widely available in TSSOP.
  • PCA9555PW --: 16-bit I2C/SMBus I/O port expander with interrupt, a common drop-in style alternative for keypad/GPIO expansion applications.
  • MAX7311AUG+ --: 16-bit I2C port expander with interrupt and reset, suitable replacement when the STMPE801 is unavailable.

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