| GENERAL DESCRIPTION The ADV476 (ADV®) is a pin compatible and software compatible RAM-DAC designed specifically for VGA and Personal System/2 color graphics. The ADV476 is a complete ana-log output RAM-DAC on a single monolithic chip. The part contains a 256318 color lookup table, a pixel mask register as well as a triple 6-bit video D/A converter. The ADV476 is capable of simultaneously displaying up to 256 colors, from a total color palette of 262,144 addressable colors FEATURES Personal System/2* and VGA* Compatible Plug-in Replacement for INMOS 171/176 66 MHz Pipelined Operation Three 6-Bit D/A Converters 256x18 Color Palette RAM RS-343A/RS-170 Compatible Outputs Blank on All Three Channels Standard MPU Interface Asynchronous Access to All Internal Registers +5 V CMOS Monolithic Construction Low Power Dissipation Standard 28-Pin, 0.6" DIP and 44-Pin PLCC APPLICATIONS High Resolution Color Graphics CAE/CAD/CAM Applications Image Processing Instrumentation Desktop Publishing |
