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BU2878FS Datasheet On-screen Display

Manufacturer: ROHM

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Overview

Multimedia ICs On-screen display for VCRs BU2878FS/BU2871FS The BU2878FS and BU2871 FS are character generator ICs for pattern display use in VCRs and televisions.

The IC circuit is made upofavideo signal generator, analog switch, synchronization separator circuit, and synchronization signal detect circuit.

The display RAM can store is 10 linesX24 characters, and the on-chip character data ROM can store either 64 or 128 diff9rent characters.

Key Features

  • 1)10 line X 24 character display. 2)64 (BU2878FS) or 128 (BU2871FS) character types. 3)For each line, the character size can be selected as either 1X or 2 X . 4)Characteroutputfor composite video is white with black border. 5)Background color can be either white black or blue (black or white with PAL systems).
  • A b s o l u t e maximum ratings (Ta=25°C) Parameter Power supply voltage Power dissipation Operating temperature Storage temperature Symbol Vcc 6)Built-in synchronous separatio.

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