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參數(shù)資料
| 型號： | LC7455 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Closed Caption Signal Extraction IC |
| 中文描述： | 字幕信號提取集成電路 |
| 文件頁數(shù)： | 2/13頁 |
| 文件大?。?/td> | 232K |
| 代理商： | LC7455 |
Pin Assignments
Note: V
DD
1 and V
SS
1 are the power supply for the digital block, and V
DD
2 and V
SS
2 are the power supply for the analog block. Use a circuit similar to the
one shown below to minimize mutual interference due to noise from these blocks.
No. 5680-2/13
LC7455A, 7455M
Pin Functions
Pin
Pin No.
Pin function
DIP16
MFP18
Mode 1
Mode2
Mode3
Mode4
V
SS
1
TEST
1
1
Ground
2
2
Test pin. Must be left open during normal operation.
LN21
3
3
Line 21H pulse output (even field)
Line 21H pulse output
(both fields)
Line 22H pulse output
(both fields)
O/E/CFOUT
4
4
Field discrimination pulse
output
Ceramic oscillator output
Field discrimination pulse output
HS/CFIN
5
5
Sync separator Hsync
pulse output
Ceramic oscillator input
Hsync pulse input
CPDT
6
6
Caption data output (n-channel open-drain output)
SCKIN
7
7
Caption data transfer clock input
CE
8
8
Chip select input
V
DD
1
MOD0
9
11
Power supply
10
12
Leave open
Short to the power supply
Leave open
Short to the power supply
CVIN
11
13
Composite video input
VCOR
12
14
Connection for an external resistor to control the built-in VCO oscillator frequency
MOD1
13
15
Leave open
Short to the power supply
V
DD
2
V
SS
2
CP
14
16
Power supply
15
17
Ground
16
18
Connection for the filter used by the built-in PLL
Power
supply
Top view
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| LC7456A | U.S. Closed Caption Signal Extraction IC |
| LC7458B-04 | Closed-Caption Decoder LSI |
| LC7461 | Infrared Remote Control Transmitter IC |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LC7455A | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Closed Caption Signal Extraction IC |
| LC7455M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Closed Caption Signal Extraction IC |
| LC7456A | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:U.S. Closed Caption Signal Extraction IC |
| LC7458B-04 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Closed-Caption Decoder LSI |
| LC7460 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Consumer IC |
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