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A RAM which uses circuit techniques and architectural innovation to achieve the performance demanded by today's systems is described. An input buffer/level translator, a current sense amplifier, and a high-speed architecture are used in this RAM to achieve the 5-ns access time along with the 0.6-μm BiCMOS technology. The chip is organized as 128 K-words×8-b wide using a 4T2R memory...
A technique for increasing the precision of open-loop sample-and-hold circuits without significantly reducing their sampling rate is introduced. With this technique, the sampling error resulting from input-dependent charge injection in the sampling switch is significantly attenuated by sampling the input voltage onto a capacitance that is small during the sample mode but is, in effect, increased during...
A fast-access intermediate supply voltage level BiCMOS SRAM (ISVOL) architecture is proposed for advancing circuit technology to megabit-level SRAMs using low-submicron MOSFETs. To verify this concept's effectiveness, a 256-kb SRAM, with a typical access time of 5 ns, is evaluated and reported. The access time dependence of the supply voltage is shown. This architecture can suppress the access time...
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