US 7,321,327 B1
Data converters for programmable logic
Tony San, Sunnyvale, Calif. (US); and Jinyan Zhang, Santa Clara, Calif. (US)
Assigned to Altera Corporation, San Jose, Calif. (US)
Filed on Sep. 03, 2006, as Appl. No. 11/469,862.
Application 11/469862 is a continuation of application No. 11/189436, filed on Jul. 25, 2005, granted, now 7,119,730.
Application 11/189436 is a continuation of application No. 10/351076, filed on Jan. 24, 2003, granted, now 6,956,512.
This patent is subject to a terminal disclaimer.
Int. Cl. H03M 1/66 (2006.01)
U.S. Cl. 341—144  [341/118] 20 Claims
OG exemplary drawing
 
1. An integrated circuit comprising a digital-to-analog converter circuit, the digital-to-analog converter circuit comprising:
a memory to store and provide a plurality of data words, each data word comprising M bits, the memory addressable by addresses comprising N bits, where M is greater than N; and
a first digital-to-analog converter to receive the M-bit data words from the memory and to provide a first analog output.