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LC7455 Arkusz danych(PDF) 1 Page - Sanyo Semicon Device

Numer części LC7455
Szczegółowy opis  Closed Caption Signal Extraction IC
Download  13 Pages
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Producent  SANYO [Sanyo Semicon Device]
Strona internetowa  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LC7455 Arkusz danych(HTML) 1 Page - Sanyo Semicon Device

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Ordering number : EN5680
D3097HA(OT) No. 5680-1/13
Overview
The LC7455A/M extracts the closed caption signal
superimposed on a video signal during the vertical return
period and, under the control of a clock signal provided by
the decoder IC, transfers that signal to the IC (usually a
microcontroller) that decodes the closed caption data. The
LC7455A/M supports four operating modes. Modes 1 and
2 can be used for XDS. In these modes, the LC7455A/M,
in combination with the decoder IC (microcontroller),
extracts the caption signal superimposed on field 2 and
uses it for NTSC VCR functions such as the automatic
time and date setting function. In modes 3 and 4, the
LC7455A/M, in combination with the decoder IC
(microcontroller),
extracts
the
caption
signal
superimposed on fields 1 and 2 and uses it for NTSC TV
applications (mode 3) or PAL TV applications (mode 4).
Functions
• Low power dissipation achieved by fabrication in a
CMOS process.
• Stable caption signal extraction achieved by a built-in
peak hold circuit and the use of digital technology.
• Operating supply voltage: 5 V ±10%
• Package
LC7455A: 16-pin DIP
LC7455M: 18-pin MFP
Package Dimensions
unit: mm
3006B-DIP16
unit: mm
3095-MFP18
SANYO: DIP16
[LC7455A]
SANYO: MFP18
[LC7455M]
LC7455A, 7455M
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
Closed Caption Signal Extraction IC
CMOS IC


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