[FAQ] IxC

FAQ: Logic and Voltage Translation >  IxC

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Level Translation:

1. [FAQ] How do the LSF translators work?
2. [FAQ] What is PassFET Hangtime?

Buffers:

1. [FAQ] What is a buffered LOW?
2. [FAQ] What is the "VILC" Electrical Spec in I2C Buffers?
3. [FAQ] What are the different I2C Buffer Direction Control Mechanisms?
4. [FAQ] What connections of I2C Buffers are not Allowed?
5. [FAQ] What Makes an I2C Buffer Hot-Swappable?
6. [FAQ] What is Stuck Bus Recovery?

IO Expanders:

1. [FAQ] What is the Difference Between an I2C Device with the Family Name "PCA" and "TCA"?
2. [FAQ] Can I2C IO Expanders be used in an Open-Drain Configuration?
3. [FAQ] Can I Leave "..." Pin Floating on my I2C I/O Expander or I2C Switch (INT, RESET, PORT I/O, etc.)?
4. [FAQ] What is the Auto Increment Feature in I2C IO Expanders?
5. [FAQ] What are the Current Automotive Grade I2C IO Expanders?
6. [FAQ] I2C IO Expander Schematic Checklist
7. [FAQ] What are Sticky Registers?

Links to Helpful Application Notes:

Level Translation:

1. PassFET Hang Time with TCA39306 I2C, I3C Level Translator

Buffers:

1. Why, When, and How to use I2C Buffers
2. Resolving Improper Implementation of the Static Voltage Offset on I2C Buffers (TCA9509 + TCA9517)
3. I2C Solutions for Hot Swap Applications
4. Maximum Clock Frequency of I2C Bus Using Repeaters (Buffers)

I/O Expanders:

1. Features of TCAL Agile I/O Expanders
2. How to Configure an I2C Push-Pull I/O Expander to Operate as Open Drain
3. Implications of Slow or Floating CMOS Inputs

General:

1. I2C Bus Pullup Resistor Calculation
2. I2C Stuck Bus: Prevention and Workarounds
3. I2C: What is the Auto Increment Feature?
4. Understanding the I2C Bus
5. A Basic Guide to I2C
6. I2C Dynamic Addressing
7. Choosing the Correct I2C Device for New Designs
8. MSL Ratings and Reflow Profiles