Patent ID: 6766317
Filing Date: 2004-07-20
Classification: G11C,Y10S

Abstract:
A range check array structure for CIDR co-processors for searching and comparing external data from external search data key with a stored data range, said range check array structure including one or more range check cells having a data storage means, said range check array configured to determine one of a greater than equal to, less than equal to and perfect match, each of said data storage means being provided with at least one of an upper limit field and a lower limit field, one or more bit lines running therethrough, for transmitting an input data word for comparison with stored data word range, said input data word being compared with respective stored data word to detect a match that is indicated along a match line, and range match detection means connected to said match line to determine the match or mismatch of the applied data stream with the stored data in each range check cell.