A 30 ns 256 Mb DRAM with multi-divided array structure

A 256-Mb DRAM (dynamic random-access memory) fabricated using 0.25- mu m CMOS technology is described. The DRAM has 16-b I/Os, 30-ns access time, and 35-mA operating current for 60-ns cycle time. Key circuits include a partial cell array activation scheme in a multidivided array structure with a dua...

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Hauptverfasser: Sugibayashi, T., Takeshima, T., Naritake, I., Matano, T., Takada, H., Aimoto, Y., Furuta, K., Fujita, M., Saeki, T., Sugawara, H., Murotani, T., Kasai, N., Shibahara, K., Nakajima, K., Hada, H., Hamada, T., Aizaki, N., Kunio, T., Kakehashi, E., Masumori, K., Tanigawa, T.
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creator Sugibayashi, T.
Takeshima, T.
Naritake, I.
Matano, T.
Takada, H.
Aimoto, Y.
Furuta, K.
Fujita, M.
Saeki, T.
Sugawara, H.
Murotani, T.
Kasai, N.
Shibahara, K.
Nakajima, K.
Hada, H.
Hamada, T.
Aizaki, N.
Kunio, T.
Kakehashi, E.
Masumori, K.
Tanigawa, T.
description A 256-Mb DRAM (dynamic random-access memory) fabricated using 0.25- mu m CMOS technology is described. The DRAM has 16-b I/Os, 30-ns access time, and 35-mA operating current for 60-ns cycle time. Key circuits include a partial cell array activation scheme in a multidivided array structure with a dual word-line format for reducing power-line voltage bounce and operating current, a selective pull-up data-line architecture to increase I/O (input/output) width and to reduce current, and a time-sharing refresh to maintain a conventional refresh period without increasing power-line voltage bounce.< >
doi_str_mv 10.1109/ISSCC.1993.280088
format Conference Proceeding
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identifier ISBN: 0780309871
ispartof 1993 IEEE International Solid-State Circuits Conference Digest of Technical Papers, 1993, p.50-51
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language eng
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Artificial intelligence
Decoding
Driver circuits
High power amplifiers
National electric code
Power supplies
Random access memory
Synthetic aperture sonar
Time sharing computer systems
Voltage
title A 30 ns 256 Mb DRAM with multi-divided array structure
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