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The main content of this article is to explain "what does sram rely on to store information", interested friends may wish to take a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn "what does sram rely on to store information?"

Semiconductor memory SRAM relies on bistable storage of information, while semiconductor memory DRAM relies on capacitance storage. The storage principle of semiconductor static memory SRAM is that the smallest storage unit in bistable circuit memory is a bistable semiconductor circuit or a CMOS transistor or magnetic material memory cell, which can store a binary code. A memory cell is composed of several memory elements, and then a memory is formed by many memory cells, which is used to store programs and data.

According to its function, it can be divided into random access memory (ram) and read-only memory (read-only ROM) RAM includes DRAM (dynamic random access memory) and SRAM (static random access memory). When the computer is turned off or powered off, the information in it will be lost. DRAM is mainly used for main memory (the main part of memory), SRAM is mainly used for cache memory. Rom is mainly used for BIOS memory. According to its manufacturing process, it can be divided into bipolar transistor memory and MOS transistor memory. According to its storage principle, it can be divided into static and dynamic.

SRAM is the abbreviation of English Static RAM. It is a kind of memory with static access function. It can store its internal data without refreshing the circuit. Specifically, it is cache or secondary cache. SRAM stores information by registers, and DRAM stores information by charges on the gate capacitance of MOS transistors, which requires periodic refresh operations.

Static ram remembers information by bistable flip-flop, while dynamic RAM remembers information by gate capacitance in MOS circuit. Because the charge on the capacitor will leak and need to be replenished regularly, the dynamic RAM needs to set up a refresh circuit. But dynamic RAM has higher integration, lower power consumption and lower cost than static RAM.

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