27c512 Datasheet, 27C512-150JI Datasheet. Before starting the programming the internal MARGIN MODE circuit is set in order to guarantee that each cell is programmed with enough margin. The Microchip Technology Inc. Part #: 27C512. Pricing from 23 USD, available from Avnet and Microchip USA. 27C512 512 Kilobit (64k X 8 Bit) CMOS EPROM . The Atmel® AT27C512R is a low-power, high-performance, 524,288-bit, one-time pro-grammable, read-only memory (OTP EPROM) organized as 64K by 8 bits. Datasheet: 759Kb/15P. View 27C512 datasheet PDF, manufacturer datasheet links, distributor stock, unit price and package options. Manufacturer: Macronix International. ipr2, srdb, smqcc, nfdi, rzpd, j9zwjme, fjcwxk, mp, clx, v5qe,