This is a scan of a PRELIMINARY data sheet of the 4164 RAM chip
(64 k x 1 bits DRAM) from the 1981 NEC catalogue.

The parts covered by this data sheet are:

    Part numbers    Access time  R/W cycle time
    NEC µPD4164-1   250 ns       410 ns
    NEC µPD4164-2   200 ns       335 ns
    NEC µPD4164-3   150 ns       270 ns

They're given as replacements for:

    Fujitsu MB8264
    Hitachi HM4864
    Intel 2164
    Mitsubishi M5K4164S
    Motorola MCM6665
    National NMC4164
    TI TMS4164
    Toshiba TMM4164

-- AYM 2004-01-30

        536  2004-01-31  README
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     65_484  2004-01-30  nec-4164-600dpi-4.tif
     86_446  2004-01-30  nec-4164-600dpi-5.tif
     49_962  2004-01-30  nec-4164-600dpi-6.tif