DATA SHEET µPD42S17405L, 4217405L 3.3 V OPERATIO.
UPD42S17405L-A70 - 3.3V OPERATION 16M-BIT DYNAMIC RAM
UPD42S17405LG3-A70-7JD - 3.3V OPERATION 16M-BIT DYNAMIC RAM
UPD42S17405LLA-A70 - 3.3V OPERATION 16M-BIT DYNAMIC RAM