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Part Number
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BT481A |
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Manufacturer
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Brooktree |
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Description
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110 Mhz / 256 Word Color Palette / 24 Bit True Color Power Down RAMDAC |
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Published
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May 30, 2005 |
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Detailed Description
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Bt481A
110 MHz 256-Word Color Palette 15-, 16-, and 24-Bit True Color Power-Down RAMDAC
Designed specifically for high-pe...
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Datasheet
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BT481A
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Overview
Bt481A
110 MHz 256-Word Color Palette 15-, 16-, and 24-Bit True Color Power-Down RAMDAC
Designed specifically for high-performance color graphics, the Bt481A RAMDAC supports three true-color modes: 15-bit (5:5:5, 32 K colors) TARGA format, 16-bit (5:6:5, 65 K colors) XGA format, and 24-bit BGR (8:8:8, RGB/ BGR, 16.
8 M colors) true-color format.
It also supports 8-bit pseudo-color format (256 colors).
The Bt481A has a 256 x 18 (24) lookup table RAM, 15 x 8 (24) overlay registers, and triple 8-bit D/A converters.
Both 6- and 8-bit color modes are supported.
A power-down mode is available on the Bt481A to reduce power requirements when the analog outputs are not used.
This is useful in laptop co...
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