Why can't NAND flash be used as RAM while nor flash can

We all know nand flash Can't be regarded as ram To use the , And reading and writing can only With a block For the unit of .

But why nand Can't be treated as ram How can I use it .

Here we need to know ram Is the running address . Like what? The storage can meet the running address , First, you must be able to Read in bytes . Should be our instruction runtime In order to Bytes are read units .

What then? nand Can't install byte reading . because nand For the sake of cost And speed The data bus is multiplexed .