小学毕业后,我上了大学外语系,一位同窗好友却进了工业大学机械系的锻压专业。几年后,老同学重聚一堂,那位好友揶揄地要“考我这位大学外语系的高材生一个单词”。他当时问我die这个词除了“死亡、熄灭”之外还有没有其他什么意思,我说...小学毕业后,我上了大学外语系,一位同窗好友却进了工业大学机械系的锻压专业。几年后,老同学重聚一堂,那位好友揶揄地要“考我这位大学外语系的高材生一个单词”。他当时问我die这个词除了“死亡、熄灭”之外还有没有其他什么意思,我说不知道,于是他告诉我这个词在他们专业是“模具”的意思。由于这点专业知识,我在后来碰到英语成语The die is cast(木已成舟)时,竟轻而易举就理解了它的涵义。这个例子也告诉我们:无论我们将来是不是专门从事科技翻译,专业知识对我们都是至关重要的。展开更多
Power consumption in test mode is much higher than that in normal mode,which is prone to causing circuit damage and reducing the yield of chips.To reduce the power dissipation efficiently,a modified linear feedback sh...Power consumption in test mode is much higher than that in normal mode,which is prone to causing circuit damage and reducing the yield of chips.To reduce the power dissipation efficiently,a modified linear feedback shift register(LFSR)is designed to decrease switching activity dramatically during the generation of address sequences for memory built-in self-test(MBIST).The address models are generated by a blend of two address generators with an optimized address partition and two distinct controlled clock signals.An address generator circuit for MBIST of 64 k×32 static random access memory(SRAM)is designed to illustrate the proposed scheme.Experimental results show that when the address bus size is 16 bits,compared with the traditional LFSR,the proposed LFSR can reduce the switching activity and dynamic power by 71.1%and 68.2%,respectively,with low area overhead.展开更多
文摘小学毕业后,我上了大学外语系,一位同窗好友却进了工业大学机械系的锻压专业。几年后,老同学重聚一堂,那位好友揶揄地要“考我这位大学外语系的高材生一个单词”。他当时问我die这个词除了“死亡、熄灭”之外还有没有其他什么意思,我说不知道,于是他告诉我这个词在他们专业是“模具”的意思。由于这点专业知识,我在后来碰到英语成语The die is cast(木已成舟)时,竟轻而易举就理解了它的涵义。这个例子也告诉我们:无论我们将来是不是专门从事科技翻译,专业知识对我们都是至关重要的。
基金Foundation items:Fundamental Research Funds for the Central Universities(No.JUSRP51510)Primary Research&Development Plan of Jiangsu Province(No.BE2019003-2)。
文摘Power consumption in test mode is much higher than that in normal mode,which is prone to causing circuit damage and reducing the yield of chips.To reduce the power dissipation efficiently,a modified linear feedback shift register(LFSR)is designed to decrease switching activity dramatically during the generation of address sequences for memory built-in self-test(MBIST).The address models are generated by a blend of two address generators with an optimized address partition and two distinct controlled clock signals.An address generator circuit for MBIST of 64 k×32 static random access memory(SRAM)is designed to illustrate the proposed scheme.Experimental results show that when the address bus size is 16 bits,compared with the traditional LFSR,the proposed LFSR can reduce the switching activity and dynamic power by 71.1%and 68.2%,respectively,with low area overhead.
