bipolar junction transistor bit bubble memory cmos cpu cache charge sharing ddr sdram dimm data remanence delay line memory digital signal processing drum memory dual-ported ram dynamic random access memory eeprom eprom electric power electronic circuit ferroelectric ram flash memory integrated circuit kilobyte mosfet magnetic core memory magnetoresistive random access memory memory refresh nano-ram noise margin non-volatile memory personal computer phase-change memory plated wire memory programmable metallization cell programmable read-only memory quad data rate sram racetrack memory random access read-only memory register file resistive random-access memory router sdram sonos semiconductor transistor twin transistor ram twistor memory video memory volatile memory watt williams tube z-ram