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Dive into the research topics where Nancy Leong is active.

Publication


Featured researches published by Nancy Leong.


symposium on vlsi circuits | 1996

A 2.7 V only 8 Mb/spl times/16 NOR flash memory

Johnny Chen; Tiao-Hua Kuo; Lee Cleveland; C.K. Chung; Nancy Leong; Yong K. Kim; Takao Akaogi; Yasushi Kasa

This paper describes a 80 ns, 2.7 V to 3.6 V single voltage supply 8 Mb/spl times/16 flash memory. It uses a high speed Vcc detector to control the wordline boost level and an intelligent programming algorithm to optimize the program time. Erase is achieved by a new low Vcc negative charge pump. The device is fabricated using a 0.5 /spl mu/m design rule, double layer metal, dual layer polysilicon, and triple well CMOS. The single transistor cell size is 1.7/spl times/1.7 /spl mu/m/sup 2/. The memory cell uses a conventional drain side channel hot electron for programming and negative gate Fowler-Nordheim tunneling on the source side for erase.


Archive | 2001

Bank selector circuit for a simultaneous operation flash memory device with a flexible bank partition architecture

Tiao-Hua Kuo; Yasushi Kasa; Nancy Leong; Johnny Chen; Michael A. Van Buskirk


Archive | 1996

Overerase correction for flash memory which limits overerase and prevents erase verify errors

Lee Cleveland; Chung K. Chang; Yuan Tang; Nancy Leong; Michael Fliesler; Tiao-Hua Kuo


Archive | 1999

Memory address decoding circuit for a simultaneous operation flash memory device with a flexible bank partition architecture

Tiao-Hua Kuo; Yasushi Kasa; Nancy Leong; Johnny Chen; Michael A. Van Buskirk


Archive | 2000

Variable sector size for a high density flash memory device

Nancy Leong; Johnny Chen; Tiao-Hua Kuo; Kazuhiro Kurihara


Archive | 1998

Simultaneous operation flash memory device with a flexible bank partition architecture

Tiao-Hua Kuo; Yasushi Kasa; Nancy Leong; Johnny Chen; Michael A. Van Buskirk


Archive | 1999

Method of making flexibly partitioned metal line segments for a simultaneous operation flash memory device with a flexible bank partition architecture

Tiao-Hua Kuo; Yasushi Kasa; Nancy Leong; Johnny Chen; Michael A. Van Buskirk


Archive | 1996

A 2.7V only 8Mbx16 NOR Flash Memory

Johnny Chen; Lee Cleveland; Chung K. Chung; Nancy Leong; Yong K. Kim; Takao Akaogi; Yasushi Kasa


Archive | 1999

Multiple purpose bus for a simultaneous operation flash memory device

Tiao-Hua Kuo; Nancy Leong; Takao Akagoi; Yasushi Kasa


Archive | 1999

Fast program mode for non-volatile memory

Johnny Chen; Tiao-Hua Kuo; Nancy Leong

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Johnny Chen

Advanced Micro Devices

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Guowei Wang

Advanced Micro Devices

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