LMH1980 Datasheet, PDF (5/14 Pages) National Semiconductor (TI) – Auto-Detecting SD/HD/PC Video Sync Separator

EDTV Vertical Interval Timing Diagram (480P, 576P)
FIGURE 5. 480P Vertical Interval
HDTV Vertical Interval Timing Diagram (720P, 1080P)
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FIGURE 6. 720P (1080P) Vertical Interval
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