...Until around 1990, bipolar transistors were used as semiconductor memory elements in applications that required high speed, but as MOS transistors have become faster, MOS transistors, which are easier to integrate and consume less power, are now used in most applications. Semiconductor memory is classified into SRAM (static RAM) and DRAM (dynamic RAM) depending on the type of element. SRAM stores one bit of information in the form of a voltage using a flip-flop circuit that has two stable states like a seesaw. ... *Some of the terminology explanations that mention "Eslam" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…半導体メモリー用の素子として,1990年頃までは高速性が要求される用途ではバイポーラートランジスターが使われたが,MOSトランジスターが高速になったため,現在では高集積化が容易で消費電力が少ないMOSトランジスターがほとんどの用途に使われている。 半導体メモリーは素子の種類によってSRAM(スタティックRAM,エスラム),DRAM(ダイナミックRAM,ディーラム)などに分類される。SRAMは,シーソーのような二つの安定状態をもつフリップフロップ回路によって,1ビットの情報を電圧のかたちで記憶する。… ※「エスラム」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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