FN7173 Datasheet | Intersil

® EL4583 Data Sheet August 15, 2002 FN7173 Sync Separator, 50% Slice, S-H, Filter, HOUT The EL4583 extracts timing from video sync in NTSC, PAL, and SECAM systems, and non standard formats, or from puter graphics operating at higher scan rates. Timing adjustment is via an external resistor. Input without valid vertical interval (no serration pulses) produces a default vertical output. Outputs are: posite sync, vertical sync, filter, burst/back porch, horizontal, no signal detect, level, and odd/even output (in interlaced scan formats only). The EL4583 sync slice level is set to the mid-point between sync tip and the blanking level. This 50% point is determined by two internal...