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Ordering number :EN4846A

CMOS IC

LC74761, 74761M

On-Screen Display LSI

Overview

The LC74761 and LC74761M are on-screen display

CMOS LSIs that superimpose text and low-level graphics

onto a TV screen (video signal) under microcontroller.

The display characters have a 12 by 18 dots structure, and

256 characters are provided.

Package Dimensions

unit: mm

3196-DIP30SD

[LC74761]

Features

鈥?Display structure: 12 lines by 24 characters (up to 288

characters)

鈥?Maximum character display: Up to 288 characters

鈥?Character configuration: 12 (W) by 18 (H) dots structure

鈥?Number of characters: 256 characters (254 plus space 1

font and transparent space 1 font)

鈥?Character sizes: Three sizes (normal, double, and triple

sizes)

鈥?Display starting positions: 64 horizontal and 64 vertical

locations

鈥?Reverse video function: Characters can be inverted on a

per character basis.

鈥?Flashing types: Two types with periods of 0.5 and 1.0

second on a per character basis (duty fixed at 50%)

鈥?Background color: One of eight colors (when internal

synchronization used)

鈥?External control input: Serial data input in 8-bit units

鈥?Built-in horizontal/vertical sync separation circuit, AFC

circuit, and synchronization detector

鈥?Video output: Composite video signal output in NTSC,

PAL, PAL-M, PAL-N, PAL60, NTSC4.43, or SECAM

format

SANYO: DIP30SD

unit: mm

3216A-MFP30S

[LC74761M]

SANYO: MFP30S

SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-0005 JAPAN

13096HA (OT)/N2894TH (OT) No. 4846-1/20

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