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CPLD/ROM based replacement for TI GROM chips

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Main components

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Part NumberDescription
ATF1504AS-xAx44Microchip CPLD, 64 Macrocell, 5 V, TQFP-44
74AHCT5418-bit Buffer/Line Driver 3-state outputs
29F010Flash EEProm 128Ko (PLCC) 5V prog

CGROM schematic

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CGROM board layout