4-Bit Bidirectional Voltage-Level Shifter with Auto Direction Sensing and +/-15 kV ESD Protect 14-TSSOP -40 to 85 The TXB0104PWRG4 is a 4-bit bidirectional voltage-level translator manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Type:** Bidirectional voltage-level translator  
- **Number of Bits:** 4  
- **Voltage Levels Supported:**  
  - **VCCA:** 1.2V to 3.6V  
  - **VCCB:** 1.65V to 5.5V  
- **Data Rate:** Up to 100 Mbps  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** TSSOP-14 (PW)  
- **Direction Control:** Automatic (no direction control pin needed)  
- **I/O Ports:** 4 bidirectional channels  

### **Features:**  
- **Bidirectional Translation:** Automatically detects data direction  
- **No Direction Control Needed:** Simplifies design  
- **Wide Voltage Range:** Supports mixed-voltage systems  
- **Low Power Consumption:** Ideal for battery-powered applications  
- **ESD Protection:** Exceeds 2000V HBM per JESD22-A114  
- **Partial Power-Down Protection:** I/O pins tolerate voltages when powered off  

This device is commonly used in applications such as I²C, SPI, UART, and general-purpose level shifting.  

Would you like additional details?

4-Bit Bidirectional Voltage-Level Shifter with Auto Direction Sensing and +/-15 kV ESD Protect 14-TSSOP -40 to 85