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Harris公司半导体部通过缩小单元尺寸、并把4μm的工艺改为2.5μm的工艺,把它的4k×1位CMOS RAM(HM6504)的取数时间从200ns缩短到100ns。而且,其改进型(HM6504B)能够在整个军用温度范围内(-55～+125℃)提供这样快的取数速度。Harris公司相信,同步操作
Harris Semiconductor reduced its 4k × 1-bit CMOS RAM (HM6504) acquisition time from 200ns to 100ns by reducing cell size and changing the 4μm process to a 2.5μm process. Moreover, its improved version (HM6504B) provides this fast fetch speed over the full military temperature range (-55 to + 125 ° C). Harris believes in synchronous operation