GENERAL DESCRIPTION The ML6461 is a multi-standard CCIR656 (4:2:2) video (input) composite and S-video (outputs) encoder for NTSC systems. It is designed to provide a low cost, single-chip output interface for a variety of video applications including set-top decoders, DVD players, and other YCrCb to Y/C equipment. FEATURES ■ Closed Caption VBI encoder for line 21 and 284 ■ Handles SAV/EAV codes for CCIR656 Video ■ Single clock input: 27MHz CCIR656, 24.54MHz Sq. Pix. ■ Color subcarrier correction for overlay applications ■ Onboard analog 7th-order reconstruction filters and 6dB drivers with differential gain/phase of 0.5%/0.5º ■ Y, C, CV outputs drive both AC or DC coupled loads ■ Multiple 75Ω line drivers for two composite outputs, channel modulator, and S-Video ■ 2-wire serial control bus, or selectable presets for standalone operation ■ Handles Japanese NTSC signals
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