Semiconductor MSM531655E 524,288-Double Words x 32.
OKI electronic
MSM531655E - MASKROM
Semiconductor MSM531655E 524,288-Double Words x 32-bit or 1,048,576-Words x 16-bit MaskROM 8Double Word x 32-Bit or 16Word x 16-Bit/Page Mode MASKROM .
