I2C Bus Buffer with Rise Time Accelerators and Hot Swap Capability Evaluation Board


The ISL33001MSOPEVAL1Z, ISL33002MSOPEVAL1Z, and ISL33003MSOPEVAL1Z evaluation board is designed to provide a quick and easy method for evaluating the ISL33001, ISL33002, ISL33003 2-Channel Bus Buffer.

Discrete NMOS transistors are used to produce the pull-down functions of a wired-AND bus. Each SDA/SCL pin on the buffer is connected to an external open-drain NMOS transistor. The evaluation board also contains connections for the bus pull-up resistor and load capacitance. The logic input pins on the ISL3300x IC can be held logic High by a pull-up resistor or driven dynamically with an external logic source.

Key Features

  • Evaluation Board for ISL33001IUZ, ISL33002IUZ, and ISL33003IUZ IC in MSOP Package
  • +2.3V to +5.5V Supply Operation
  • Configured to operate in I2C environment
  • Two Channel Supply for Level Shifting Applications (ISL33002 and ISL33003)
  • On-Board Discrete NMOS Open-Drain Transistors Connected to SDA/SCL Pins
  • 3V Logic for NMOS Transistor Gate
  • On-Board Discrete Bus Pull-Up Resistors and Load Capacitance on SDA/SCL Pins
  • Convenient Test Points on SDA/SCL pins


  • I2C bus extender and capacitance buffering
  • Server racks for telecom, datacom, and computer servers
  • Desktop computers
  • Hot-swap board insertion and bus isolation

ISL3300xMSOPEVAL1Z I2C Bus Buffer Eval Board

ISL3300xMSOPEVAL1Z I2C Bus Buffer Eval Board

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