Patent ID: 8233320

Claim:
A NAND-based 2T-NOR flash memory device comprising: a NAND-based 2T-NOR flash memory array having a plurality of memory sectors, each memory sector having a plurality of memory blocks, each memory blocks having a plurality of memory pages, and each memory page having one row of NAND-based 2T-NOR flash cells with one word line and one select-gate line; a write-row-decoder coupled to the word lines of said flash memory array; a read-row-decoder coupled to the select-gate lines of said flash memory array; a data buffer and slow speed page sense amplifier unit connected to a plurality of bit lines of said flash memory array, said data buffer and slow speed page sense amplifier unit having slow speed page sense amplifiers and a data buffer for storing program; a Y-pass gate and Y-decoder unit having Y-pass gates and Y-decoders; a byte/word high speed sense amplifier unit connected to said Y-pass gate and Y-decoder unit, said byte/word high speed sense amplifier unit having high speed sense amplifiers; and an isolate device unit coupling said Y-pass gate and Y-decoder unit to said bit lines of said flash memory array.