GSI Technology, Inc.
ERROR DETECTING MEMORY DEVICE

Abstract:

A memory device includes a non-destructive memory array that includes memory cells arranged in rows and columns. The array includes a plurality of word lines, first bit lines and second bit lines, a NOR gate per column Each word line activates memory cells in a row and thereby establishes an activated row. First bit lines and second bit lines connect memory cells in columns, each first bit line provides the result of a Boolean AND operation between data stored in the first activated row and data stored in the second activated row. Each second bit line provides the result of a Boolean NOR operation between data stored in the first activated row and data stored in the second activated row. Each per-columnNOR gate is connected to the first and second bit lines of each column and compares data stored in the first activated row with data stored in the second activated row.