Bipolar transistor selected P-channel flash memory cell technology
2001
A novel BIpolar Transistor Selected (BITS) P-channel flash memory cell is proposed, where a bipolar transistor embedded in the source region of the cell amplifies cell-read-current and acts as a select transistor. With this cell, not only a very low 1.5 V non-word-line-boosting read operation, but also a sector-erase operation are successfully achieved with only a small cell-size increase over the conventional NOR cell. Moreover, this cell technology maintains all the advantages of the P-channel DIvided-bit-line NOR (DINOR) flash memory.
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