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HM514170D, HM514270D Series HM51S4170D, HM51S4270D Series
262,144-word × 16-bit Dynamic RAM
ADE-203-672 (Z) Preliminary Rev.
0.
0 Oct.
18, 1996 Description
The Hitachi HM51(S)4170D, HM51(S)4270D Series are
CMOS dynamic RAM organized as 262,144-word × 16-bit.
HM51(S)4170D, HM51(S)4270D Series have realized higher density, higher performance and various functions by employing 0.
8 µm
CMOS process technology and some new
CMOS circuit design technologies.
The HM51(S)4170D, HM51(S)4270D Series offer fast page mode as a high speed access mode.
They have the package variations of standard 400-mil 40-pin plastic SOJ and standard 400-mil 44-pin plastic TSOPII.
Internal refresh tim...