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LC74731W - On-Screen Display Controller

General Description

Ground connection.

Connections for the crystal element and capacitors that form the internal sync signal generating crystal oscillator.

Xtalin can also be used to input an external clock signal.

Key Features

  • SPQFP64 10x10 / SQFP64.
  • Text structure : 12 lines 24 characters (Up to 288 characters).
  • Character format : 16 16 dots Character display clock frequency : about 9 MHz.
  • Character sizes : Four sizes each in the horizontal and vertical directions with the size set in line units.
  • Number of characters supported : LC74731W : 256 (internal) LC74732W : 512 (internal) Up to 8192 using an external ROM (for Japanese) [Reference] JIS X0298 (1990) : 6877 characters JIS leve.

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Datasheet Details

Part number LC74731W
Manufacturer onsemi
File Size 370.24 KB
Description On-Screen Display Controller
Datasheet download datasheet LC74731W Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LC74731W LC74732W CMOS LSI On-Screen Display Controller www.onsemi.com Overview The LC74731W and LC74732W are on-screen display CMOS ICs that display characters and patterns on a TV screen under the control of a microcontroller. These ICs display 16  16-dot characters and up to 12 lines of text with 24 characters per line. Features SPQFP64 10x10 / SQFP64  Text structure : 12 lines 24 characters (Up to 288 characters)  Character format : 16 16 dots Character display clock frequency : about 9 MHz  Character sizes : Four sizes each in the horizontal and vertical directions with the size set in line units.