Static information storage and retrieval – Read/write circuit – Including reference or bias voltage generator
Patent
1992-10-22
1994-03-01
LaRoche, Eugene R.
Static information storage and retrieval
Read/write circuit
Including reference or bias voltage generator
365149, 36518906, 3072961, H03L 100
Patent
active
052914461
ABSTRACT:
A positive power supply for generating and supplying a regulated positive potential to control gates of selected memory cells via word lines in an array of flash EEPROM memory cells during programming includes a clock circuit (18b) for generating a pair of non-overlapping clock signals and charge pump means (18c) responsive to an external power supply potential (VCC) and to the non-overlapping clock signals for generating a high positive voltage. A regulator circuit (20) responsive to the high positive voltage and a reference voltage is provided for controlling the regulated positive potential so that it is independent of the external power supply potential (VCC).
REFERENCES:
patent: 4691216 (1987-09-01), Terada et al.
patent: 4710647 (1987-12-01), Young
patent: 4935644 (1990-06-01), Tsujimoto
patent: 5029282 (1991-07-01), Ito
Chang Chung K.
Chen Johnny C.
Cleveland Lee E.
Montalvo Antonio
Van Buskirk Michael A.
Advanced Micro Devices , Inc.
Chin Davis
LaRoche Eugene R.
Le Vu A.
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