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Dive into the research topics where Mihoko Akiyama is active.

Publication


Featured researches published by Mihoko Akiyama.


international solid-state circuits conference | 2000

A 0.18 /spl mu/m 256 Mb DDR-SDRAM with low-cost post-mold-tuning method for DLL replica

Shigehiro Kuge; Tetsuo Kato; Kiyohiro Furutani; Shigeru Kikuda; Katsuyoshi Mitsui; Takeshi Hamamoto; Jun Setogawa; Kei Hamade; Yuichiro Komiya; Satoshi Kawasaki; Takashi Kono; Teruhiko Amano; Takashi Kubo; Masaru Haraguchi; Yoshito Nakaoka; Mihoko Akiyama; Yasuhiro Konishi; Hideyuki Ozaki; Tsutomu Yoshihara

A 200-MHz double-data-rate synchronous-DRAM (DDR-SDRAM) was developed. The chip contains a delay-locked loop (DLL) which performs over a wide range of operating conditions. Post-mold-tuning allows precise replica programming. A 200-MHz intra-chip data bus is suitable for DDR operation.


Archive | 2001

Internal Voltage generation circuit

Yasuhiko Taito; Akira Yamazaki; Fukashi Morishita; Mako Kobayashi; Mihoko Akiyama; Nobuyuki Fujii


Archive | 2001

Substrate bias voltage generating circuit

Nobuyuki Fujii; Fukashi Morishita; Mihoko Akiyama; Akira Yamazaki; Mako Kobayashi; Yasuhiko Taito


Archive | 2001

Multi-power semiconductor integrated circuit device

Akira Yamazaki; Fukashi Morishita; Yasuhiko Taito; Nobuyuki Fujii; Mihoko Akiyama; Mako Kobayashi


Archive | 2001

Semiconductor device capable of generating internal voltage effectively

Nobuyuki Fujii; Fukashi Morishita; Akira Yamazaki; Yasuhiko Taito; Mihoko Akiyama; Mako Kobayashi


Archive | 2001

Voltage downconverter circuit capable of reducing current consumption while keeping response rate

Mihoko Akiyama; Fukashi Morishita; Akira Yamazaki; Yasuhiko Taito; Mako Kobayashi; Nobuyuki Fujii


Archive | 2001

Semiconductor integrated circuit device having circuit generating reference voltage

Mako Kobayashi; Fukashi Morishita; Mihoko Akiyama; Yasuhiko Taito; Akira Yamazaki; Nobuyuki Fujii


Archive | 2001

Semiconductor integrated circuit device capable of stably generating internal voltage independent of an external power supply voltage

Fukashi Morishita; Akira Yamazaki; Yasuhiko Taito; Nobuyuki Fujii; Mihoko Akiyama; Mako Kobayashi


Archive | 2002

Semiconductor device having standby mode and active mode

Mihoko Akiyama; Fukashi Morishita


Archive | 2001

Potential detecting circuit having wide operating margin and semiconductor device including the same

Mako Okamoto; Yasuhiko Taito; Fukashi Morishita; Akira Yamazaki; Mihoko Akiyama; Nobuyuki Fujii

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