Flash Memory Devices Having Multi-Bit Memory Cells Therein with Improved Read Reliability

[0023]Preferred embodiments of the inventive concept will be described below in more detail with reference to the accompanying drawings. The inventive concept may, however, be embodied in different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the inventive concept to those skilled in the art. Like reference numerals refer to like elements throughout. The circuit configurations and the read operations of a flash memory device according to the inventive concept, which will be described below, are merely exemplary and various changes in form and details may be made therein without departing from the spirit and scope of the inventive concept.

[0024]FIG. 1 is a diagram illustrating a schematic structure of a memory system 1000 including a flash memory 100 according to an exemplary embodiment of the inventive concept.

[0025]Referr