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PYA28C256 Datasheet, PDF (9/14 Pages) Pyramid Semiconductor Corporation – Access Times of 150, 200, 250 and 350ns Software Data Protection
WRITE SEQUENCE FOR SOFTWARE DATA
PROTECTION
PYA28C256 - 32K x 8 EEPROM
SOFTWARE SEQUENCE TO DE-ACTIVATE
SOFTWARE DATA PROTECTION
Document # EEPROM104 REV 03
Page 9