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ADV7150

Part Number	ADV7150
Manufacturer	Analog Devices
Description	CMOS 220 MHz True-Color Graphics Triple 10-Bit Video RAM-DAC
Published	Mar 23, 2005
Detailed Description	a CMOS 220 MHz True-Color Graphics Triple 10-Bit Video RAM-DAC ADV7150 @ 85 MHz 8-Bit Pseudo Color 15-Bit True Color AP...
Datasheet	ADV7150 PDF File

Overview

a CMOS 220 MHz True-Color Graphics Triple 10-Bit Video RAM-DAC ADV7150 @ 85 MHz 8-Bit Pseudo Color 15-Bit True Color APPLICATIONS High Resolution, True Color Graphics Professional Color Prepress Imaging GENERAL DESCRIPTION FEATURES 220 MHz, 24-Bit (30-Bit Gamma Corrected) True Color Triple 10-Bit “Gamma Correcting” D/A Converters Triple 256 ؋ 10 (256 ؋ 30) Color Palette RAM On-Chip Clock Control Circuit Palette Priority Select Registers RS-343A/RS-170 Compatible Analog Outputs TTL Compatible Digital Inputs Standard MPU l/O Interface 10-Bit Parallel Structure 8+2 Byte Structure Programmable Pixel Port: 24-Bit, 15-Bit and Programmable Pixel Port: 8-Bit (Pseudo) Pixel Data Serializer Multiplexed Pixel Input Ports; 1:1, 2:1, 4:1 +5 V CMOS Monolithic Construction 160-Lead Plastic Quad Flatpack (QFP) Thermally Enhanced to Achieve ␪JC < 1.
0؇ C/W MODES OF OPERATION 24-Bit True Color (30-Bit Gamma Corrected) @ 220 MHz @ 170 MHz @ 135 MHz @ 110 MHz The ADV7150 (ADV®) is a complete analog output, Video RAM-DAC on a single CMOS monolithic chip.
The part is specifically designed for use in high performance, color graphics workstations.
The ADV7150 integrates a number of graphic functions onto one device allowing 24-bit direct True-Color operation at the maximum screen update rate of 220 MHz.
The ADV7150 implements 30-bit True Color in 24-bit frame buffer designs.
The part also supports other modes, including 15-bit True Color and 8-bit Pseudo or Indexed Color.
Either the Red, Green or Blue input pixel ports can be used for Pseudo Color.
(Continued on page 12) ADV is a registered trademark of Analog Devices, Inc.
FUNCTIONAL BLOCK DIAGRAM VAA 256-COLOR/GAMMA PALETTE RAM RED 256 x 10 96 MUX 4:1 8 8 8 GREEN 256 x 10 BLUE 256 x 10 8 2 SYNC OUTPUT DATA TO PALETTES 30 RED REGISTER 24 A 24 B 24 C 24 D PALETTE SELECTS (PS0, PS1) 8 P I X E L P O R T ADV7150 10 10-BIT RED DAC 10-BIT GREEN DAC 10-BIT BLUE DAC IOR IOR IOG IOG IOB IOB RED (R7–R0), GREEN (G7–G0), BLUE (B7–B0) COLOR D...

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