PCA9306,pdf(Dual Bidirectional

特性

• 2-Bit Bidirectional Translator for SDA and SCL Lines in Mixed-Mode I²C Applications
• I²C and SMBus Compatible
• Less Than 1.5-ns Maximum Propagation Delay to Accommodate Standard-Mode and Fast-Mode I²C Devices and Multiple Masters
• Allows Voltage-Level Translator Between
  • 1.2-V V_REF1 and 1.8-V, 2.5-V, 3.3-V,
    or 5-V V_REF2
  • 1.8-V V_REF1 and 2.5-V, 3.3-V, or 5-V V_REF2
  • 2.5-V V_REF1 and 3.3-V or 5-V V_REF2
  • 3.3-V V_REF1 and 5-V V_REF2
• Provides Bidirectional Voltage Translation With No Direction Pin
• Low 3.5-Ω ON-State Connection Between Input and Output Ports Provides Less Signal Distortion
• Open-Drain I²C I/O Ports (SCL1, SDA1, SCL2, and SDA2)
• 5-V Tolerant I²C 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
• Flow-Through Pinout for Ease of Printed Circuit Board Trace Routing
• Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
• ESD Protection Exceeds JESD 22
  • 2000-V Human-Body Model (A114-A)
  • 200-V Machine Model (A115-A)
  • 1000-V Charged-Device Model (C101)