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symposium on vlsi circuits | 2003

A 512 kB MONOS type flash memory module embedded in a microcontroller

Toshihiro Tanaka; Hiroyuki Tanikawa; Takashi Yamaki; Yukiko Umemoto; Akira Kato; Yutaka Shinagawa; Mitsuru Hiraki

We present a 512 kB MONOS type flash memory module embedded in a microcontroller fabricated with a 0.18 /spl mu/m CMOS process. Our new memory cell structure enables the whole read path in the module to be composed of low voltage transistors that are the same as those used in the CPU core, and therefore achieves compact layout of peripheral circuits. The module achieves 34 MHz random access read operation. The measured program time and erase time for a 64 kB block were less than 4 ms and less than 11 ms, respectively. The area of the 512 kB module is 5.4 mm/sup 2/.


Archive | 2002

Semiconductor device, microcomputer and flash memory

Takashi Yamaki; Kan Takeuchi; Mitsuru Hiraki; Toshihiro Tanaka; Yutaka Shinagawa; Masamichi Fujito


Archive | 2002

Non-volatile memory device with plurality of threshold voltage distributions

Toshihiro Tanaka; Hiroyuki Tanikawa; Masayoshi Nakano; Norio Oza; Koki Watanabe; Yutaka Shinagawa


Archive | 2001

Semiconductor non-volatile storage

Toshihiro Tanaka; Yutaka Shinagawa; Kazuyoshi Shiba; Kazufumi Suzukawa; Masamichi Fujito; Takayuki Oshima; Sonoko Abe; Kiyoshi Matsubara


Archive | 2001

Nonvolatile memory and semiconductor device with controlled voltage booster circuit

Hiroyuki Tanikawa; Toshihiro Tanaka; Yutaka Shinagawa; Yoshiki Kawajiri; Masamichi Fujito


Archive | 2001

Nonvolatile memory and semiconductor device

Hiroyuki Tanikawa; Toshihiro Tanaka; Yutaka Shinagawa; Yoshiki Kawajiri; Masamichi Fujito


Archive | 2002

Semiconductor integrated circuit, semiconductor non-volatile memory, memory card, and microcomputer

Masamichi Fujito; Yuko Nakamura; Kazufumi Suzukawa; Toshihiro Tanaka; Yutaka Shinagawa


Archive | 1998

Non-volatile semiconductor memory and semiconductor integrated circuit having built-in non-volatile semiconductor memory

Masamichi Fujito; Yozo Kawai; Yutaka Shinagawa; Kazufumi Suzukawa; Toshihiro Tanaka; Naoki Yada; 裕 品川; 洋造 河合; 利広 田中; 直樹 矢田; 正道 藤戸; 一文 鈴川


Archive | 1986

Semiconductor memory having a dynamic level detecting means for detecting a level of a word line

Yutaka Shinagawa; Shigeru Shimada


Archive | 1998

Semiconductor non-volatile storage device capable of a high speed reading operation

Toshihiro Tanaka; Yutaka Shinagawa; Kazuyoshi Shiba; Kazufumi Suzukawa; Masamichi Fujito; Takayuki Oshima; Sonoko Abe; Kiyoshi Matsubara

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