Static information storage and retrieval – Addressing – Optical
Patent
1991-03-13
1993-03-02
Fears, Terrell W.
Static information storage and retrieval
Addressing
Optical
365182, 365185, 365218, G11C 1300
Patent
active
051915561
ABSTRACT:
An improved method of programming EEPROM cells in a memory array, wherein a cell page can be programmed and erased without disturbing other cell pages in the array, and further, an individual cell can be reprogrammed without disturbing other cells in the array. The user can selectively erase and program cells in the array by controlling the operating conditions of the word lines, bit lines, and Vss lines coupled to those cells according to the method of the present invention.
REFERENCES:
patent: 4423432 (1978-08-01), Stewart
patent: 4958321 (1990-09-01), Chang
A 4MB 5V-Only Flash EEPROM With Sector Erase by Stiegler et al., 1990, IEEE Symposium on VLSI Circuits, CH2885-2/90/0000-0103.
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ATMEL Corp. AT29C256 (265K (32K.times.8)5 Volt Only CMOS PEROM) preliminary device description.
Flash Memory by Walt Lahti, In-Stat Inc.
A New Flash E.sup.2 PROM Cell Using Triple Polysilicon Technology by Masuoko et al., 1984, IEDM, CH2099-0/84/0000-0464, Section 17.3.
A Single Transistor EEPROM Cell and Its Implementation in a 512K CMOS EEPROM by Mukherjee et al., 1985, IEEE, CH2552-5/85/0000-0616, section 26.1.
A 128K Flash EEPROM Using Double Polysilicon Technology by Samachisa et al., 1987, IEEE International Solid-State Circuits Conference, session VII, WPM 7.4.
An In-System Reprogrammable 256K CMOS Flash Memory by Kynett et al., 1988, IEEE International Solid-State Circuits Conference, session X, THAM 10.7.
A 90ns Look Erase/Program Cycle Megabit Flash Memory by Kynett et al., 1989, IEEE International Solid-State Circuits Conference, session X, THAM 10.7.
1024 K (128K.times.8)CMOS Flash Memory, Apr. 1990, INTEl Corp., 28F010.
Advanced Micro Devices , Inc.
Fears Terrell W.
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