1FEATURES 2• 2-Bit Bidirectional Translator for SDA and SCL Lines in Mixed-Mode I 2 C Applications • Lock-Up Free for Bus Isolation when OE Control Pin referring to VCCA with 5-V Input Tolerant • Level Translation Range – 1.8 V to 2.5 V/3.3 V/5 V – 2.5 V to 2.5 V/3.3 V/5 V – 3.3 V to 3.3 V/5 V • Internal10-kΩ Pullup Resistor on Each Port and Option to Add External Pullup Resistor if Required • Provides Bidirectional Voltage Translation With No Direction Pin • Ioff Support Partial Power Down (VCC= 0 V) With 2 mA • High-Impedance Output SCL1, SDA1, SCL2, and SDA2 Pins When OE = Low or VCC= 0 V • 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)