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LC7456A датащи(PDF) 1 Page - Sanyo Semicon Device

номер детали LC7456A
подробное описание детали  U.S. Closed Caption Signal Extraction IC
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производитель  SANYO [Sanyo Semicon Device]
домашняя страница  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LC7456A датащи(HTML) 1 Page - Sanyo Semicon Device

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LC7456A
No.6733-1/6
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
• Low power consumption due to CMOS process
• Accurate caption signal extraction using a built-in pead hold circuit and digital technology.
• Power Requirement : 5V
± 10 %
• Package : DIP16
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
Ordering number : ENN*6733
LC7456A
U.S. Closed Caption Signal Extraction IC
D2000 RM (IM) O
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.
CMOS IC
Ver. 1.02B
21594
Preliminary


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