发明申请
US20140211559A1 PROGRAMMING A SPLIT GATE BIT CELL 有权
编程分离门控单元

PROGRAMMING A SPLIT GATE BIT CELL
摘要:
A method of programming a split gate memory applies voltages differently to the terminals of the selected cells and the deselected cells. For cells being programming by being coupled to a selected row and a selected column, coupling the control gate to a first voltage, coupling the select gate to a second voltage, programming is achieved by coupling the drain terminal to a current sink that causes the split gate memory cell to be conductive, and coupling the source terminal to a third voltage. For cells not being programmed by not being coupled to a selected row, non-programming is maintained by coupling the control gate to the first voltage, coupling the select gate to a fourth voltage which is greater than a voltage applied to the select gate during a read in which the split gate memory cells are deselected but sufficiently low to prevent programming.
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