EEPROM array with flash-like core

Details EEPROM array with flash-like core EEPROM array with flash-like core

1995-03-17

1997-02-25

Nguyen, Viet Q.

Static information storage and retrieval

Addressing

Byte or page addressing

36523002, 365200, 36523008, 36523001, G11C 1140, G11C 1400

Patent

active

056065329

ABSTRACT:
A sector programmable EEPROM memory capable of emulating the byte programmable functionality of full-featured byte programmable EEPROMs. The EEPROM memory incorporates an on-chip write cache used as a buffer between byte level data entered by the user system and word level data written to the main memory core. The EEPROM main memory core is divided into memory pages with each memory page further divided into sub-page sectors, and each sub-page sector holding a multitude of multi-byte data words. The sub-page sectors within a memory page can be individually or collectively subjected to a program and erase cycle. The EEPROM memory incorporates an ECC unit used to recover and refresh lost data in the memory core. The EEPROM memory is also capable of interruptible load cycles.

REFERENCES:
patent: 4949309 (1990-08-01), Rao
patent: 5191556 (1993-03-01), Radjy
patent: 5317535 (1994-05-01), Talreja et al.
patent: 5353248 (1994-10-01), Gupta
patent: 5359569 (1994-10-01), Fujita et al.
patent: 5424997 (1995-06-01), Rapp

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