A 68-NS 4-MBIT CMOS EPROM WITH HIGH-NOISE-IMMUNITY DESIGN

被引:5
作者
IMAMIYA, K
MIYAMOTO, J
ATSUMI, S
OHTSUKA, N
MUROYA, Y
SAKO, T
HIGASHINO, M
IYAMA, Y
MORI, S
OHSHIMA, Y
ARAKI, H
KANEKO, Y
NARITA, K
ARAI, N
YOSHIKAWA, K
TANAKA, S
机构
[1] TOSBAC COMP SYST INC,TOKYO,JAPAN
[2] TOSHIBA MICROELECTR CORP,KAWASAKI,JAPAN
关键词
D O I
10.1109/4.50287
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
— In a VLSI memory, noise generated by its own operation becomes a serious problem. The noise disturbs data sensing, especially in EPROM’s which have a single-ended sensing scheme. To develop highdensity and high-speed EPROM’s, it is inevitably necessary to solve the noise problems. Incorrect EPROM functions due to the noise are discussed in this paper. High-noise-immunity circuit techniques are proposed for stable data sensing and high-speed access time. These are divided bit-line layout, reference line with dummy bit lines, and CE transition detector. Using these circuit techniques and 0.8-µm n-well CMOS technology, a 512KÐ¥ 8-bit CMOS EPROM was developed. A 68-ns access time was achieved. The die size is 5.62 mm X 15.30 mm and it is assembled in a 600-mil cerdip package. © 1990 IEEE
引用
收藏
页码:72 / 78
页数:7
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OHTSUKA, N ;
TANAKA, S ;
MIYAMOTO, JI ;
SAITO, S ;
ATSUMI, S ;
IMAMIYA, KI ;
YOSHIKAWA, K ;
MATSUKAWA, N ;
MORI, S ;
ARAI, N ;
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