EPROM Cross Reference Guide Competitor Winbond Density Org. Package Company Part No. Voltage Speed (ns) Description Part No.* Note (bits) (bits) Type 100% drop-in replacement; Program/Erase requires external 512K 64K*8 AT27C512R-70-PC 12V/ 5V 70 OTP PDIP W27E512-70 programmer support Atmel 100% drop-in replacement; Program/Erase requires external AT27C512R-70-JC 12V/5V 70 OTP PLCC W27E512P-70 programmer support 100% drop-in replacement; Program/Erase requires external M27C512-70-BST 12V/5V 70 OTP PDIP W27E512-70 programmer support ST Micro 100% drop-in replacement; Program/Erase requires external M27C512-70-CST 12V/5V 70 OTP PLCC W27E512P-70 programmer support 100% drop-in replacement; Program/Erase requires external SST27SF512-70-3C-PG 12V/5V 70 MTP PDIP W27E512-70 programmer support SST 100% drop-in replacement; Program/Erase requires external SST27SF512-70-4C-NH 12V/5V 70 MTP PLCC W27E512P-70 programmer support Ceramic 100% drop-in replacement; Program/Erase requires external 1M 128K*8 AT27C010L-70/90-DC 12V/5V 70, 90 UV EPROM W27E010-70 DIP programmer support 100% drop-in replacement; Program/Erase requires external Atmel AT27C010L-70/90-PC 12V/5V 70, 90 OTP PDIP W27E010-70 programmer support 100% drop-in replacement; Program/Erase requires external AT27C010L-70/90-JC 12V/5V 70, 90 OTP PLCC W27E010P-70 programmer support Ceramic 100% Read compatible; Programming requires external M27C1001-70 F1 12V/5V 70 UV EPROM W27E010-70 DIP programmer support 100% drop-in replacement; Program/Erase requires external ST Micro M27C1001-70 B1 12V/5V 70 OTP PDIP W27E010-70 programmer support 100% drop-in replacement; Program/Erase requires external M27C1001-70 C1 12V/5V 70 OTP PLCC W27E010P-70 programmer support 100% drop-in replacement; Program/Erase requires external SST27SF010-70/90-3C-PH 12V/5V 70, 90 MTP PDIP W27E010-70 programmer support SST 100% drop-in replacement; Program/Erase requires external SST27SF010-70/90-3C-NH 12V/5V 70, 90 MTP PLCC W27E010P-70 programmer support 100% drop-in replacement; Program/Erase requires external 2M 256K*8 AT27C020-90-PC 12V/5V 90 OTP PDIP W27E020-70/90 programmer support Atmel 100% drop-in replacement; Program/Erase requires external AT27C020-90-JC 12V/5V 90 OTP PLCC W27E020P-70/90 programmer support Ceramic 100% drop-in replacement; Program/Erase requires external M27C2001-90 F1 12V/5V 90 UV EPROM W27E020-70/90 DIP programmer support 100% drop-in replacement; Program/Erase requires external ST Micro M27C2001-90 B1 12V/5V 90 OTP PDIP W27E020-70/90 programmer support 100% drop-in replacement; Program/Erase requires external M27C2001-90 C1 12V/5V 90 OTP PLCC W27E020P-70/90 programmer support 100% drop-in replacement; Program/Erase requires external SST27SF020-90-3C-PH 12V/5V 90 MTP PDIP W27E020-70/90 programmer support SST 100% drop-in replacement; Program/Erase requires external SST27SF020-90-3C-NH 12V/5V 90 MTP PLCC W27E020P-70/90 programmer support Page 1EPROM Cross Reference Guide Competitor Winbond Density Org. Package Company Part No. Voltage Speed (ns) Description Part No.* Note (bits) (bits) Type 100% drop-in replacement; Program/Erase requires external 4M 512K*8 AT27C040-70/90/12-PC 12V/5V 70, 90, 120 OTP PDIP W27E040-12 programmer support Atmel 100% drop-in replacement; Program/Erase requires external AT27C040-70/90/12-JC 12V/5V 70, 90, 120 OTP PLCC W27E040P-12 programmer support Ceramic 100% drop-in replacement; Program/Erase requires external M27C4001-70/80/90/10/12/15 F1 12V/5V 70, 80, 90, 120, 150 UV EPROM W27E040-12 DIP programmer support 100% drop-in replacement; Program/Erase requires external ST Micro M27C4001-70/80/90/10/12/15 B1 12V/5V 70, 80, 90, 120, 150 OTP PDIP W27E040-12 programmer support 100% drop-in replacement; Program/Erase requires external M27C4001-70/80/90/10/12/15 C1 12V/5V 70, 80, 90, 120, 150 OTP PLCC W27E040P-12 programmer support Note: This competitive data was obtained from public sources. There could be minor differences on AC/DC electrical spec and features. Winbond is not responsible for any changes or errors in this information. *All Winbond EPROM are electrically erasable and are in plastic packaging. Winbond Electronics Corporation America Winbond Electronics Corp. Winbond Electronics Corporation America Winbond Electronics Corporation America Winbond Electronics Corporation America Winbond Electronics Corporation America WECA Headquarters Corporate Headquarters WECA Europe Office Southeast Area Sales Office Northwest Area Sales Office Northeast Area Sales Office Southwest Area Sales Office No. 4, Creation Rd. 3, Mundsburg Tower, 17th Floor 5318 Hwy. 290 West, Suite 400 7767 Elm Creek Blvd, Suite 300 1740 Massachusetts Avenue 2727 North First Street Science-Based Industrial Park Hamburger Strasse 11 Austin, TX 78735 Maple Grove, MN 55369 Boxborough, MA 01719 San Jose, CA 95134 Hsinchu, Taiwan D-22083 Hamburg U.S.A. U.S.A. U.S.A. U.S.A. 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