Nonvolatile memory device using serial diode cell

Details Nonvolatile memory device using serial diode cell Nonvolatile memory device using serial diode cell

2006-03-07

2006-03-07

Ho, Hoai (Department: 2827)

Static information storage and retrieval

Systems using particular element

Ferroelectric

C365S175000, C365S230030, C257S046000, C257S295000

Reexamination Certificate

active

07009866

ABSTRACT:
A nonvolatile memory device features a serial diode cell by effectively arranging a cross point cell array including a nonvolatile ferroelectric capacitor and a serial PN diode chain to reduce the whole memory size. A serial diode cell array including a nonvolatile ferroelectric capacitor and a serial diode switch which does not require an additional gate control signal is positioned on a circuit device region including a word line driving unit, a sense amplifier, a data bus, a main amplifier, a data buffer and an input/output port. An interlayer insulating film separates a cell array region and the circuit device region, thereby reducing the whole chip size.

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