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松下电子工业公司开发出了MN59000系列的CMOS门阵列电路,该电路在固定的第一层铝上作第二层铝布线,周期短。为保证优先用于该系列电路的制造,建立了一条生产线,准备好在设计完成后最短只用两天时间就可提供样片,以前一般需要10～14天时间。但是,双层铝布线的和以前最佳布线的门阵列相比,前者芯片面积大,性能也偏低,芯片的价格是相同规模门阵列的1.5～2倍左右,而研制费却相同。其设计要领和以前的门阵列相同。从1988年秋天起,开始接受订货。
Matsushita Electric Industrial Co., Ltd. has developed MN59000 series of CMOS gate array circuit, the circuit in the first fixed layer of aluminum for the second layer of aluminum wiring, short cycle. In order to ensure the priority for the manufacture of this series of circuits, a production line has been established ready to provide samples in as little as two days after the design is completed, which previously normally took 10 to 14 days. However, the double-layer aluminum wiring and the previous best wiring gate array compared to the former chip area, performance is also low, the price of the chip is the same size of the gate array of about 1.5 to 2 times, while the development fee is the same. Its design is the same as the previous gate array. From the autumn of 1988, began to accept orders.