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LC7456A

Sanyo Semicon Device
Part Number LC7456A
Manufacturer Sanyo Semicon Device
Description U.S. Closed Caption Signal Extraction
Published Dec 4, 2014
Detailed Description Ordering number : ENN*6733 LC7456A CMOS IC LC7456A U.S. Closed Caption Signal Extraction IC Preliminary Overview The ...
Datasheet PDF File LC7456A PDF File

LC7456A
LC7456A

Overview
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 h...


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