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Apple's A4 is an ARM system-on-a-chip in disguise

By Jos
Jan 28, 2010
  1. Amid all the buzz over Apple's iPad announcement yesterday, one tidbit that caught our attention but didn't get much talk time on stage was the fact that the company had used its own silicon on the device. Dubbed Apple A4, this system-on-a-chip represents Apple's debut in the world of fabless semiconductor designers and is the fruit of a PA Semi acquisition in 2008.

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