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Intel 8086
The 8086 ("''eighty eighty-six''", also called iAPX 86)〔(Official Intel iAPX 286 programmers' manual ) (page 1-1)〕 is a 16-bit microprocessor chip designed by Intel between early 1976 and mid-1978, when it was released. The Intel 8088, released in 1979, was a slightly modified chip with an external 8-bit data bus (allowing the use of cheaper and fewer supporting ICs〔Fewer TTL buffers, latches, multiplexers (although the amount of TTL logic was not drastically reduced). It also permitted the use of cheap 8080-family ICs, where the 8254 CTC, 8255 PIO, and 8259 PIC were used in the IBM PC design. In addition, it made PCB layout simpler and boards cheaper, as well as demanding fewer (1- or 4-bit wide) DRAM chips.〕), and is notable as the processor used in the original IBM PC design, including the widespread version called IBM PC XT.
The 8086 gave rise to the x86 architecture which eventually became Intel's most successful line of processors.
==History==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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