Closed Caption Signal Extraction IC
Ordering number : EN5680 CMOS IC LC7455A, 7455M Closed Caption Signal Extraction IC Overview The LC7455A/M extracts the closed caption signal superimposed on a video signal during the vertical return period and, under the control of a clock signal provided by the decoder IC, transfers that signal to the IC (usually a microcontroller) that decodes the clos...
Sanyo Semicon Device