Published:2011/4/26 8:54:00 Author:TaoXi | Keyword: digital hang-shaped, filter-type Y/C separation | From:SeekIC
The TC909OBN9 is designed as one kind of digital hang-shaped filter-type Y/C separation circuit which is produced by the TOSHIBA company, and this device can be used in new large-screen color TV sets.
1.Features
The TC909OBN9 is composed of the video A/D converter, the D/A converter, the I2C bus interface circuit, the PLL VCO circuit and the Y/C separation circuit.
2.Pin functions and data
The TC9090BN is in 28-pin dual in-line package, the pin functions and data is as shown in table 1.
Tip: If the digital Y/C circuit failure, please check the RC components outside the TC909OBN(20)-pin.
Table 1. The pin functions and data of the TC9090BN
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