l !UNITED TECHNOLOGIES MOSTEK MEMORY COMPONENTS 6.
MK4564-20 - 65536 x 1-Bit DRAM
MK4564N-20 - 65536 x 1-Bit DRAM
MK4564P-20 - 65536 x 1-Bit DRAM
MK4564J-20 - 65536 x 1-Bit DRAM
MK4564E-20 - 65536 x 1-Bit DRAM