Memory device having programmable access protection and method o

Details Memory device having programmable access protection and method o Memory device having programmable access protection and method o

1997-11-14

1999-10-26

Thai, Tuan V.

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

711108, 711154, 365120, 36518504, 36518905, 365222, G06F 1300, G11C 1604

Patent

active

059745002

ABSTRACT:
A memory device comprises a memory array having corresponding first access control bits to control access thereto. A second set of access control bits is provided to control write access to the first access control bits. The memory array is divided into memory blocks, each block having a corresponding access control bit. At least one such block is further subdivided into pages, each page having a corresponding control bit.

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patent: 5047982 (1991-09-01), Smith et al.
patent: 5210854 (1993-05-01), Beaverton et al.
patent: 5386539 (1995-01-01), Nishi
patent: 5430447 (1995-07-01), Meier
patent: 5548741 (1996-08-01), Watanabe
patent: 5862075 (1999-01-01), Leconte et al.

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