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TB1227CNG Datasheet(PDF) 60 Page - Toshiba Semiconductor

Part No. TB1227CNG
Description  VIDEO, CHROMA AND SYNCHRONIZING SIGNALS PROCESSING IC FOR PAL / NTSC / SECAM SYSTEM COLOR TV
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Maker  TOSHIBA [Toshiba Semiconductor]
Homepage  http://www.semicon.toshiba.co.jp/eng
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TB1227CNG Datasheet(HTML) 60 Page - Toshiba Semiconductor

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TB1227CNG
2004-05-24
60
TEST CONDITION
Unless otherwise specified : H, RGB VCC = 9V ; VDD, Fsc VDD, Y / C VCC = 5V ; Ta = 25±3°C ; BUS = preset value ;
pin 51 input video signal = 50 system
(Note) “×” in the data column represents preset value at power ON.
NOTE
ITEM
SUB-ADDRESS & BUS DATA
MEASURING METHOD
DV10 AFC-MASK Start
Phase
DV11 AFC-MASK Stop
Phase
DV12 VNFB Phase
Sub 02H
Sub 16H
0
×
0
×
0
×
0
×
0
×
0
0
0
0
1
0
(1) Supply 5V DC to pin 26.
(2) Set bus data as indicated on the left and activate the test mode.
(3) Measure the AFC-MASK start phase (X) and AFC-MASK stop phase (Y) of pin 49.
(4) Set the Sub 16H as indicated on the left.
(5) Measure the VNFB start phase (Z) of pin 54.
DV13 V. Output Maximum
Phase
DV14 V. Output Minimum
Phase
DV15 V. Output Phase
Variable Range
Sub 16H
×
×
×
×
×
×
×
×
×
×
0
1
0
1
0
1
(1) Input video signal to pin 51.
(2) Measure both phases (Xmax, Xmin) of pin 52 and pin 54 with the respective bus data settings shown on
the left.
(3) Find difference between the two phases measured in the above step 2.
Y = Xmax − Xmin


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