LC7456A Datasheet

IC型號：
LC7456A
PDF描述：
U.S. Closed Caption Signal Extraction IC
文件大小：
28.36KB
PDF頁數(shù)：
6頁
芯片廠家：
SANYO

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Ordering number : ENN*6733

LC7456A

CMOS IC

LC7456A

U.S. Closed Caption Signal Extraction IC

Preliminary

Overview

The LC7456A receives the composite video signal from the V / C (Video Chroma) signal processor and extracts the

closed caption data. This data and a clock signal, generated by an on-chip PLL, are then sent to the decoder IC. The

LC7456A is a CMOS version of the LA7945 IC also currently in production. The differences between the LA7945 and

the LC7456A are a change from Bipolar to CMOS technology, a smaller package size (22 pins to 16 pins), and a

reduction in the external circuitry requierd.

An LC8640XX series microcontroller is needed to perform the decoding after the LC7456A has extracted the caption

data from the composite video signal.

Features

鈥?/div>

Low power consumption due to CMOS process

Accurate caption signal extraction using a built-in pead hold circuit and digital technology.

Power Requirement : 5V

鹵

10 %

Package : DIP16

Any and all SANYO products described or contained herein do not have specifications that can handle

applications that require extremely high levels of reliability, such as life-support systems, aircraft's

control systems, or other applications whose failure can be reasonably expected to result in serious

physical and/or material damage. Consult with your SANYO representative nearest you before using

any SANYO products described or contained herein in such applications.

SANYO assumes no responsibility for equipment failures that result from using products at values that

exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other

parameters) listed in products specifications of any and all SANYO products described or contained

herein.

SANYO Electric Co.,Ltd. Semiconductor Company

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN

Ver. 1.02B

21594

D2000 RM (IM) O No.6733-1/6

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