The ever-changing semiconductor applications are constantly changing and improving our lives, such as new smart phones, wearable medical equipment, factory automation, artificial intelligence and so on. The realization of all these cutting-edge technologies depends on the memory chips working in the background.
They seem insignificant, but they are actually very important. Suppose you just took a great photo, but you can't save it without memory. If there is no memory, the computer can't execute your instructions. Such as opening the document or inserting a column in the table. Every time you click Save, the data you just created will enter the long-term storage device.
logic chip
As the brain of electronic equipment, the logic chip performs functions through mathematical operations, while the memory chip is responsible for storing data. A memory chip consists of memory cells, which are microcircuits with capacitors for storing data in the form of charges and one or more transistors for activating the data. The charging and discharging of the capacitor corresponds to two possible data values 1 or 0, in which the smallest data unit is called one bit.
These memory cells are arranged in rows and connected to memory addresses called word lines in a bit line structure. By this address, the location of data storage can be determined, and the word line forms an electronic path. Allow all memory cells of the row to be activated at the same time for storage or retrieval.
Data access is initiated by electrical signals, that is, row address gating and column address gating, and the column address * * * is the same as determining the location of memory cells in the array. If the charge is stored in the selected memory cell capacitor, these signals will turn on the transistor. The charge is transferred to the connected bit line, causing the voltage to rise slightly, and the data value is read as 1.