Static information storage and retrieval – Floating gate – Particular connection
Patent
1996-05-14
1997-11-11
Nguyen, Tan T.
Static information storage and retrieval
Floating gate
Particular connection
36518523, 36518533, 36523006, G11C 1600
Patent
active
056871210
ABSTRACT:
A flash memory wordline decoder includes a plurality of voltage terminals to receive a plurality of voltages, a plurality of address terminals to receive a plurality of address signals, a procedure terminal to receive a procedure signal, and a plurality of output wordlines adapted to be coupled to a bank of flash transistors. The wordline decoder circuit is configured to decode the address signals and includes latches coupled to the wordlines, where the latches are configured to latch the wordlines and to provide an operational voltage on the wordline to accomplish a predetermined operation responsive to the procedure signal. Advantages of the invention include a verification with a low verification voltage such as 1 V or less for operating with a VDD supply voltage as low as 1.5 V. The decoder also reduces erase/write cycle time and improves expected lifetime of the flash memory due to reduced stress on the flash transistors within the flash memory.
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Hsu Fu-Chang
Lee Peter W.
Tsao Hsing-Ya
Aplus Integrated Circuits, Inc.
Nguyen Tan T.
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