HN27C256AG Series 32768-word × 8-bit UV Erasable .
HN27C256AG-12 - 32768-word x 8-bit UV Erasable and Programmable ROM
HN27C256AG - 32768-word x 8-bit UV Erasable and Programmable ROM
HN27C256AG-10 - 32768-word x 8-bit UV Erasable and Programmable ROM
HN27C256AG-15 - 32768-word x 8-bit UV Erasable and Programmable ROM