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TCA9535RTWR from TI,Texas Instruments

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15.625ms

TCA9535RTWR

Manufacturer: TI

Remote 16-Bit I2C and SMBus, Low-Power I/O Expander With Interrupt Output and Config Registers 24-WQFN -40 to 85

Partnumber Manufacturer Quantity Availability
TCA9535RTWR TI 3967 In Stock

Description and Introduction

Remote 16-Bit I2C and SMBus, Low-Power I/O Expander With Interrupt Output and Config Registers 24-WQFN -40 to 85 The TCA9535RTWR is a 16-bit I²C and SMBus I/O expander manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Interface:** I²C, SMBus  
- **Number of I/O Ports:** 16 (configurable as inputs or outputs)  
- **Supply Voltage Range:** 1.65V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **I²C Clock Frequency:** Up to 400 kHz  
- **Interrupt Output:** Configurable for monitoring input changes  
- **Package:** 24-pin WQFN (RTW)  

### **Descriptions:**  
The TCA9535RTWR is designed to provide general-purpose parallel I/O expansion for I²C/SMBus applications. It allows bidirectional voltage-level translation between 1.8V, 2.5V, 3.3V, and 5V buses.  

### **Features:**  
- Low standby current consumption  
- Configurable as input or output per bit  
- Internal power-on reset  
- Noise filter on SCL/SDA inputs  
- Schmitt-trigger action on all inputs  
- Latch-up performance exceeds 100 mA per JESD 78  
- ESD protection exceeds JESD 22 (2000V HBM, 1000V CDM)  

This device is commonly used in applications requiring additional I/O ports, such as industrial controls, servers, and embedded systems.

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