W27E520 64K × 8 ELECTRICALLY ERASABLE EPROM GENE.
Winbond
W27E520 - 64K x 8 ELECTRICALLY ERASABLE EPROM
W27E520 64K × 8 ELECTRICALLY ERASABLE EPROM GENERAL DESCRIPTION The W27E520 is a high speed, low power Electrically Erasable and Programmable Read On.