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| 型号： | TC90A80N |
| 元件分类： | 信号分离 |
| 英文描述： | Y/C SEPARATOR IC, PDIP28 |
| 封装： | 0.400 INCH, 1.78 MM PITCH, PLASTIC, SDIP-28 |
| 文件页数： | 1/23页 |
| 文件大小： | 378K |
| 代理商： | TC90A80N |
TC90A80N/F
2002-12-04
1
TOSHIBA CMOS Digital Integrated Circuit
Silicon Monolithic
TC90A80N,TC90A80F
3-Line Digital Comb Filter for VCR, YNR/CNR, and Skew Correctors (NTSC)
The TC90A80N/F is a 3-line digital Y/C (luminance/ chrominance)
separation IC for VCR.
In addition to YNR and CNR used for noise reduction in the playback
signal, the IC incorporates skew correctors for special playback. The IC is
then suitable for processing S-VHS recorded playback signals.
Features
TV format: NTSC (3.58)
Dynamic comb filter
YNR circuit
CNR circuit
Luminance signal non-linear vertical edge corrector (with coring
function)
Luminance signal horizontal frequency characteristic corrector (with
coring function)
Luminance signal line noise canceller
Record/playback input switch circuit (switches between Y/C and Y
inputs)
Y and C input pins, independently one another (Y: sync tip clamp; C:
center bias)
Re-mixer circuit after Y/C sharpness processing
Skew detector and correctors (NTSC ×5 Mode: in units of 0.2 H)
PLL detector for switching frequencies (fsc, 2 fsc, 4 fsc and 8 fsc clock
inputs)
8-bit 4 fsc AD converter (2 channels)
10-bit 8 fsc DA converter (2 channels)
1-H delay line (2 channels)
I2C bus control
I2C bus decode output pin (High/Low)
5-V single power operation
TC90A80N
TC90A80F
Weight
SDIP28-P-400-1.78 : 1.7 g (typ.)
SOP28-P-450-1.27 : 0.8 g (typ.)
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