双极安装CMOS技术,没有任何工艺步骤增加高速缓存SRAM

K. Ishimaru, M. Takahashi, M. Nishigohori, Y. Okayama, Y. Unno, F. Matsuoka, M. Kakumu
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引用次数: 1

摘要

将双多晶硅自对准双极晶体管安装到CMOS工艺中,没有任何工艺步骤的增加。通过离子注入同时制备了集电极区和n阱。采用6T存储单元栅极自对准触点技术实现双极发射极触点。所获得的双极晶体管特性足以满足电流检测放大器的使用,可以实现低成本、高性能的二级缓存SRAM。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Bipolar installed CMOS technology without any process step increase for high speed cache SRAM
Double-polysilicon self-aligned bipolar transistor was installed to the CMOS process without any process step increase. The collector region and n-well were fabricated simultaneously by ion implantation. Gate self-aligned contact technique for 6T memory cell was applied for bipolar emitter contact. Obtained bipolar transistor characteristics were sufficient for current-sense amplifier use, which can realize low cost and high performance L2 cache SRAM.
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