IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIM
US006288922B1
(12) United States Patent ao) Patent No.: us 6,288,922 Bi
Wong et al. (45) Date of Patent: Sep. 11,2001
(54) STRUCTURE AND METHOD OF AN
ENCODED TERNARY CONTENT
ADDRESSABLE MEMORY (CAM) CELL FOR
LOW-POWER COMPARE OPERATION
(75) Inventors: Hing Wong, Los Altos; Subramani
Kengeri, San Jose, both ol CA (US)
(73) Assignee: Silicon Access Networks, Inc., San
Jose, CA (US)
( * ) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 U.S.C. 154(b) by 0 days.
(21) Appl. No.: 09/637,124
(22) Filed: Aug. 11, 2000
(51) Int. C I. G11C 15 00
(52) U.S. CI 365/49; 365/189.07; 365/168
(58) Field of Search 365/49, 189.07,
365/168
(56) References Cited
U.S. PATENT DOCUMENTS
6,081,440 * 6/2000 Washburn et al 365/49
