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TCA6408APWR from TI,Texas Instruments

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TCA6408APWR

Manufacturer: TI

Low-Voltage 8-Bit I2C and SMBus I/O Expander 16-TSSOP -40 to 85

Partnumber Manufacturer Quantity Availability
TCA6408APWR TI 500 In Stock

Description and Introduction

Low-Voltage 8-Bit I2C and SMBus I/O Expander 16-TSSOP -40 to 85 The TCA6408APWR is an 8-bit I²C and SMBus I/O expander manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Interface:** I²C, SMBus compatible  
- **Number of I/O Ports:** 8 (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  
- **Low Standby Current:** 1 µA (typical)  
- **Package:** TSSOP-16  

### **Descriptions:**  
The TCA6408APWR provides general-purpose remote I/O expansion for I²C/SMBus applications. It allows bidirectional voltage-level translation between 1.8V, 2.5V, 3.3V, and 5V systems.  

### **Features:**  
- **8 Configurable GPIO Pins:** Can be independently set as inputs or outputs  
- **Interrupt Pin:** Alerts the host controller of input state changes  
- **Internal Power-On Reset:** Initializes registers at power-up  
- **Schmitt-Trigger Inputs:** Allows slow input transition and better noise immunity  
- **Latch-Up Performance:** Exceeds 100 mA per JESD 78  
- **ESD Protection:** >2000V HBM per JESD22-A114  

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

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