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參數(shù)資料
| 型號(hào)： | TB1227CNG |
| 廠商： | Toshiba Corporation |
| 英文描述： | VIDEO, CHROMA AND SYNCHRONIZING SIGNALS PROCESSING IC FOR PAL / NTSC / SECAM SYSTEM COLOR TV |
| 中文描述： | 視頻，色度和同步信號(hào)處理集成電路的PAL / NTSC制式/ SECAM制式彩電 |
| 文件頁(yè)數(shù)： | 78/94頁(yè) |
| 文件大小： | 1292K |
| 代理商： | TB1227CNG |
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TB1227CNG
2004-05-24
78
TEST CONDITION (Unless otherwise specified : H, RGB V
CC
= 9V ; V
DD
, Fsc V
DD
, Y / C V
CC
= 5V ; Ta = 25±3°C ; BUS = preset value)
SW MODE
SUB-ADDRESS & BUS DATA
S
19
S
20
S
21
S
22
S
31
S
33
S
34
S
51
—
—
—
—
NOTE
ITEM
S
18
—
—
MEASURING METHOD
T
38
Text Input Threshold
Level
A
A
A
A
B
B
B
B
A
—
—
—
—
—
—
(1) Connect power supply to pin 21 (Digital Ys) and impress 1.5V to it.
(2) Connect power supply to pin 19 (Digital G IN). While raising supply
voltage gradually from 0V, measure supply voltage when output
signal of pin 13 (G OUT) changes (Vtxt).
(3) Raising the supply voltage to pin 19 furthermore to 4V, confirm that
there is no change in the output signal of pin 13 (G OUT).
T
39
OSD Input Threshold
Level
↑
↑
↑
↑
↑
↑
↑
↑
↑
—
—
—
—
—
—
(1) Connect power supply to pin 21 (Digital Ys) and impress 2.5V to it.
(2) Connect power supply to pin 19 (Digital G IN). While raising supply
voltage gradually from 0V, measure supply voltage when output
signal of pin 13 (G OUT) changes (Vosd).
(3) Raising the supply voltage to pin 19 furthermore to 4V, confirm that
there is no change in the output signal of pin 13 (G OUT).
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