构成存储器的存储介质,目前主要采用半导体器件和磁性材料。存储器中较小的存储单位就是一个双稳态半导体电路或一个CMOS晶体管或磁性材料的存储元,它可存储一个二进制代码。 Product Versions and Options MR25H256A has been released for mass production and is recommended for all new designs. MR25H256 remains in mass production but will be subject to eventual phase out and end of life and is not recommended for new designs.Both versions have the same specifications.