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Settlement Agreement with Samsung (Tables)

12 Months Ended

Dec. 31, 2011

Settlement Agreement with Samsung

Estimated fair value of consideration of settlement agreement by agreement type

(in millions)		Estimated Fair Value
Settlement Agreement:
Antitrust litigation settlement		$	85.0
Settlement of past infringement			190.0
License Agreement			385.0
Stock Purchase Agreement			192.0
Memorandum of understanding ("MOU")			—
Residual value			48.0
Total		$	900.0

Current and remaining future cash receipts from the agreements with Samsung and the expected income recognition

								Estimated to Be Received in
		Received in 2010			Received in 2011												Total Estimated Cash Receipts
(in millions)								2012			2013			2014
Revenue		$	181.2		$	93.2		$	100.0		$	100.0		$	100.0		$	574.4
Gain from settlement			126.8			6.2			—			—			—			133.0
Purchase of Rambus Common Stock			192.0			—			—			—			—			192.0
Total		$	500.0		$	99.4		$	100.0		$	100.0		$	100.0		$	899.4

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- Definition

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Tabular disclosure of estimated fair value of settlement agreement classified by the type of agreement.

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