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DATA SHEET
TCA9406 2-Bit Bidirectional 1-MHz, I2C Bus and SMBus Voltage-Level Translator With 8-kV HBM ESD
1 Features
- 2-Bit Bidirectional Translator for SDA and SCL Lines in I2C Applications
- Provides Bidirectional Voltage Translation With No Direction Pin
- High-Impedance Output SCL_A, SDA_A, SCL_B, SDA_B Pins When OE = Low or VCC = 0 V
- Internal 10-kΩ Pullup Resistor on All SDA and SCL Pins
- 1.65 V to 3.6 V on A port and 2.3 V to 5.5 V on B port (VCCA ≤ VCCB)
- VCC Isolation Feature: If Either VCC Input Is at GND, Both Ports Are in the High-Impedance State
- No Power-Supply Sequencing Required: Either VCCA or VCCB Can Be Ramped First
- Low Ioff of 2 µA When Either VCCA or VCCB = 0 V
- OE Input Can Be Tied Directly to VCCA Or Controlled By GPIO
- Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
- ESD Protection Exceeds JESD 22
- A Port
- 2500-V Human-Body Model (A114-B)
- 250-V Machine Model (A115-A)
- 1500-V Charged-Device Model (C101)
- B Port
- 8-kV Human-Body Model (A114-B)
- 250-V Machine Model (A115-A)
- 1500-V Charged-Device Model (C101)
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