Non-volatile memory

Details Non-volatile memory Non-volatile memory

1993-07-15

1995-04-11

Nguyen, Viet Q.

Static information storage and retrieval

Systems using particular element

Ferroelectric

365149, 36518909, 36518905, 365 65, H03K 19173, G11C 1122

Patent

active

054065100

ABSTRACT:
A non-volatile memory includes a constant voltage source, a bit line, a memory cell having a first ferroelectric capacitor connected between the bit line and the constant voltage source, a source of a reference voltage, and a latch connected between the bit line and the reference voltage. The latch drives the bit line to the same logic state as the ferroelectric capacitor to read and rewrite the capacitor in a single operation. The reference voltage is provided by a ferroelectric dummy capacitor having an area smaller than the area of the first capacitor but greater than 1/2 the area of the first capacitor.

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