Voltage Level Translator 8-Pin UDFN T/R

The PCA9306 is a dual bidirectional I 2C and SMBus voltage-level translator, with an enable (EN) input, is operational from 1.2-V to 3.3-V VREF1 and 1.8-V to 5.5-V VREF2. The PCA9306 allows bidirectional voltage translations between 1.2 V and 5 V, without the use of a direction pin. The low ON-state resistance (RON) of the switch allows connections to be made with minimal propagation delay. When EN is high, the translator switch is ON, and the SCL1 and SDA1 I/O are connected to the SCL2 and SDA2 I/O, respectively, allowing bidirectional data flow between ports. When EN is low, the translator switch is off, and a high impedance state exists between ports.

• 2-Bit Bidirectional Translator for SDA and SCL Lines in Mixed-Mode I 2C Applications
• I 2C and SMBus Compatible
• Less Than 1.5-ns Maximum Propagation Delay to Accommodate Standard-Mode and Fast-Mode I 2C Devices and Multiple Masters
• Provides Bidirectional Voltage Translation With No Direction Pin
• Low 3.5-O ON-State Connection Between Input and Output Ports Provides Less Signal Distortion
• Open-Drain I 2C I/O Ports (SCL1, SDA1, SCL2 and SDA2)
• 5-V Tolerant I 2C I/O Ports to Support Mixed-Mode Signal Operation
• High-Impedance SCL1, SDA1, SCL2, and SDA2 Pins for EN = Low
• Lock-Up-Free Operation for Isolation When EN = Low
• Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II