ADV473 Datasheet PDF | Analog Devices

Analog Devices ADV473

The ADV473 is a complete analog output, Video RAM-DAC on a single CMOS monolithic chip. The part is specifically designed for true-color computer graphics systems. The ADV473 integrates a number of graphic functions onto one device allowing 24-bit direct true-color operation at the maximum screen update rate of 135 MHz.

Part No.	ADV473
Datasheet	ADV473 Download
Manufacturer	Analog Devices
Description	CMOS 135 MHz True-Color Graphics Triple 8-Bit Video RAM-DAC
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FEATURES

ADV478/ADV471 (ADV®) Register Level Compatible IBM PS/2,* VGA*/XGA* Compatible 135 MHz Pipelined Operation Triple 8-Bit D/A Converters Triple 256 ؋ 8 (256 ؋ 24) Color Palette RAM Three 15 ؋ 8 Overlay Registers On-Board Voltage Reference RS-343A/RS-170 Compatible Analog Outputs TTL Compatible Digital Inputs and Outputs Sync on All Three Channels Programmable Pedestal (0 or 7.5 IRE) Standard MPU l/O Interface +5 V CMOS Monolithic Construction 68-Pin PLCC Package

APPLICATIONS

High Resolution Color Graphics True-Color Visualization CAE/CAD/CAM Image Processing Desktop Publishing CMOS 135 MHz True-Color Graphics Triple 8-Bit Video RAM-DAC ADV473 MODES 24-Bit True Color 8-Bit Pseudo Color 15-Bit True Color 8-Bit True Color SPEED GRADES 135 MHz, 110 MHz 80 MHz, 66 MHz

GENERAL DESCRIPTION

It can also be used in other modes, including 15-bit true color and 8-bit pseudo or indexed color. The ADV473 is fully PS/2 and VGA register level compatible. It is also capable of implementing IBM’s...