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PYA28HC256 Datasheet, PDF (9/15 Pages) Pyramid Semiconductor Corporation – Access Times of 70, 90 and 120ns Software Data Protection
WRITE SEQUENCE FOR SOFTWARE DATA
PROTECTION
PYA28HC256 - HIGH SPEED 32K x 8 EEPROM
SOFTWARE SEQUENCE TO DE-ACTIVATE
SOFTWARE DATA PROTECTION
Document # EEPROM106 REV 03
Page 9