Electrical Engineering Glossary Definition for I2C

Definition

I2C (pronounced "I-squared-C" and typeset 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.

See also: I²C Data Converters, and do a site search for I2C to find other I2C articles and products.

Synonyms

• IIC
• inter-IC bus

See Also

• SMBus
• Show application notes for: "I2C"
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