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MC144144 - Enhanced Closed-Caption Decoder CMOS

General Description

section.

This device contains protection circuitry to guard against damage due to high static voltages or electric fields.

impedance circuit.

Key Features

  • selectable by the viewer. These features then become viewer options. This document contains information on a new product. Specifications and information herein are subject to change without notice. REV 1 DataSheet4U. com 11/95 © Motorola, Inc. 1995.

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www.DataSheet4U.com MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document by MC144144/D Advance Information Enhanced Closed-Caption Decoder CMOS The MC144144 is a Line 21 closed–caption decoder for use in television receivers or set–top decoders conforming to the NTSC standard. Capability for processing and displaying all of the latest standard Line 21 closed–caption format transmissions is included. The device requires a closed–caption encoded composite video signal, a horizontal sync signal, and an external keyer to produce captioned video. RGB and box signal outputs are provided, which along with the mode select, allow simple interfacing to either color or black–and–white TV receivers. Display storage is accomplished with an on–chip RAM.