Glossary Definition for I²C

Definition

I²C (pronounced "I-squared-C" and typeset as I²C but often typed as I2C) is short for "inter-IC bus." I²C is a two-wire, low-speed, serial data connection IC bus used to run signals between integrated circuits, generally on the same board.

SMBus™ is electrically similar—see Comparing the I²C Bus to the SMBus.

For more information, do a site search for I²C to find other I²C articles and products.

Synonyms

• IIC
• inter-IC bus

See Also

• SMBus
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