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TCA9555PWR from TI,Texas Instruments

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TCA9555PWR

Manufacturer: TI

1.65 to 5.5V 16-Bit I2C and SMBus I/O Expander With Interrupt Output and Configuration Registers 24-TSSOP -40 to 85

Partnumber Manufacturer Quantity Availability
TCA9555PWR TI 159 In Stock

Description and Introduction

1.65 to 5.5V 16-Bit I2C and SMBus I/O Expander With Interrupt Output and Configuration Registers 24-TSSOP -40 to 85 The TCA9555PWR is a 16-bit I²C-bus and SMBus I/O expander manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Interface:** I²C, SMBus  
- **Number of I/O Ports:** 16 (8 per port, Port 0 and Port 1)  
- **Supply Voltage Range:** 1.65V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **I²C Clock Frequency:** Up to 400 kHz  
- **Low Standby Current Consumption:** < 1 µA (typical)  
- **Package:** TSSOP-24 (PWR)  

### **Descriptions:**  
The TCA9555PWR provides general-purpose remote I/O expansion via the I²C-bus interface. It allows bidirectional voltage-level translation between 1.8V, 2.5V, 3.3V, and 5V buses. Each I/O can be independently configured as an input or output.  

### **Features:**  
- **16 Remote I/O Pins:** Configurable as inputs or outputs  
- **Interrupt Output:** Signals changes on input pins  
- **Internal Power-On Reset**  
- **Schmitt-Trigger Inputs for Noise Suppression**  
- **Compatible with Most Microcontrollers**  
- **ESD Protection Exceeds JESD 22 Standards**  

This device is commonly used in applications requiring additional I/O expansion, such as industrial controls, servers, and consumer electronics.

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