Semiconductor memory

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Computer memory types

Volatile

DRAM, e.g. DDR SDRAM SRAM Upcoming Z-RAM TTRAM Historical Williams tube Delay line memory

Non-volatile

ROM PROM EAROM EPROM EEPROM Flash memory Upcoming FeRAM MRAM CBRAM PRAM SONOS RRAM Racetrack memory NRAM Historical Drum memory Magnetic core memory Bubble memory Twistor memory

Semiconductor memory is computer memory implemented on a semiconductor-based integrated circuit. Examples of semiconductor memory include static random access memory, which relies on transistors, and dynamic random access memory, which uses capacitors to store the bits.