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CMOS-RAM的特性和应用 CMOS-RAM常温等待时耗电非常小,64K位大容量存贮器最大耗电电流才0.2μA(高温时最大也只有1μA)。这就是说组成存贮器的每个MOS晶体管的泄漏电流小于0.5PA。因此,只用电池就可以把它做为微型计算机的数据存贮器、数据终端、电子现金出纳机以及袖珍电子计算机等里面的不挥发性存贮器,应用十分广泛。 CMOS-RAM的种类根据存贮容量CMOS-RAM大致分为四类,即1K位,4K位,16K位和64K位。另外,在大类中根据速度(存取时间)、耗电、特别是等待时耗电,又可细分类如表1。 1K位和4K位CMOS-RAM内部位构成主要是1位或4位,但是由于它多应用于小系
Characteristics and Applications of CMOS-RAM CMOS-RAM consumes very little power at normal temperature, while the maximum current consumption of a 64K bit large capacity memory is only 0.2μA (only 1μA at high temperature). This means that the leakage current of each MOS transistor constituting the memory is less than 0.5PA. Therefore, it can be widely used as a non-volatile memory in the data memory of a microcomputer, a data terminal, an electronic cash register, and a pocket-sized electronic computer by using only a battery. CMOS-RAM types according to the storage capacity CMOS-RAM roughly divided into four categories, namely 1K, 4K, 16K and 64K bits. In addition, according to the speed (access time), power consumption, especially power consumption while waiting, can also be subdivided according to Table 1. 1K-bit and 4K-bit CMOS-RAM internal bits constitute mainly 1 or 4, but because it is more used in small systems