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19-0602; Rev 2; 1/07
KIT ATION EVALU E L B A IL AVA
Graphics Video Sync Adder/Extractor
General Description Features
o 3-Wire RBG to 5-Wire RBGHV Interface o Supports VGA-to-UXGA Resolution o Low Offset Voltage (±1mV) o 180MHz Large-Signal Bandwidth
MAX9539/MAX9540
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The MAX9539/MAX9540 chipset provides a 3-wire (RGB) interface for 5-wire (RGBHV) video by adding and extracting the H, V, and composite sync from the graphics video signals. This chipset eliminates the problem of sync-to-video timing (skew errors) in a 5wire interface, while reducing the number of channels required to transport video signals. The MAX9539 mixes the H and V sync signals and adds them to create a 3-wire interface from a 5-wire (RGBHV) input.