BT481A Description
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: 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.
BT481A Key Features
- 110 MHz Operation
- Supports 8:8:8:8, 24-bit true color and VGA overlay
- Supports 8:8:8 24-bit RGB/BGR selectable true-color format
- Supports 5:6:5 XGA true-color format
- Supports 5:5:5 TARGA true-color format
- Replaces Bt471/475/476/477/478 which are pin patible
- Power-on reset for internal registers
- Power-down mode
- Antisparkle circuitry
- Analog output conparators