.
HY534256AS - 256K x 4-bit CMOS DRAM
HY534256AJ - 256K x 4-bit CMOS DRAM
HY534256A - 256K x 4-bit CMOS DRAM
HY534256ALJ - 256K x 4-bit CMOS DRAM
HY534256ALS - 256K x 4-bit CMOS DRAM