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参数资料
| 型号： | DG884 |
| 厂商： | Vishay Intertechnology,Inc. |
| 英文描述： | 8 x 4 Wideband Video Crosspoint Array(8 x 4宽带视频交叉开关) |
| 中文描述： | 8 × 4交叉点阵列宽带视频（8 × 4宽带视频交叉开关） |
| 文件页数： | 11/13页 |
| 文件大小： | 121K |
| 代理商： | DG884 |
DG884
Vishay Siliconix
Document Number: 70071
S-52433
—
Rev. F, 06-Sep-99
www.vishay.com
11
Readback
The I/O facility enables the user to write data to the Next Event
latches or to read the contents of the Current Event latches.
This feature permits the central controller to periodically
monitor the state of the matrix. If a power loss to the controller
occurs, the readback feature helps the matrix to recover
rapidly. It also offers a means to perform PC board diagnostics
both in production and in system operation.
/
Mux 3 Decoder
4
/
4
Q
0
–
Q
3
N
L
/
7
C
L
Data
Buffers
EN
/4
C
/
9
8
8 Analog Inputs
Mux 1
OUT
1
8 T-Switches
1 Series Switch
8
Mux 2
OUT
2
8
OUT
3
Mux 4
OUT
4
EN
DIS
Open Drain
Output
A
0
A
1
A
2
A
3
CS
WR
SALVO
I/O
B
0
B
1
RS
One of Four Blocks of Logic/Latches Shown
FIGURE 12.
Control Circuitry
Decoders/
Drivers
WR
SALVO
IN
1
IN
2
IN
8
DG884
B
0
B
1
A
0
A
1
A
2
A
3
RESET
RS
DIS
1
OUT
1
Two
—
Si584
Quad Unity-Gain Buffers
CLC410
75
75
FIGURE 13.
Fully Buffered 8 X 4 Crosspoint
Note: DIS outputs are used to
power down the Si582 amplifiers.
x2
DIS
2
OUT
2
x2
DIS
3
OUT
3
x2
DIS
4
OUT
4
x2
x1
x1
x1
相关PDF资料 |
PDF描述 |
|---|---|
| DG894 | Component Video Selector(用于视频信号转换的视频选择器) |
| DG894 | Component Video Selector |
| DG9051 | Precision 8-Ch/Dual 4-Ch/Triple 2-Ch Low Voltage Analog Switches/Multiplexers |
| DG9051DQ-T1-E3 | Precision 8-Ch/Dual 4-Ch/Triple 2-Ch Low Voltage Analog Switches/Multiplexers |
| DG9052 | Precision 8-Ch/Dual 4-Ch/Triple 2-Ch Low Voltage Analog Switches/Multiplexers |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DG884_08 | 制造商:VISHAY 制造商全称:Vishay Siliconix 功能描述:8 x 4 Wideband Video Crosspoint Array |
| DG884AM | 制造商:VISHAY 制造商全称:Vishay Siliconix 功能描述:8 x 4 Wideband Video Crosspoint Array |
| DG884AM/883 | 制造商:VISHAY 制造商全称:Vishay Siliconix 功能描述:8 x 4 Wideband Video Crosspoint Array |
| DG884AM/883C | 制造商: 功能描述: 制造商:undefined 功能描述: |
| DG884AM883 | 制造商:VISHAY 制造商全称:Vishay Siliconix 功能描述:8 x 4 Wideband Video Crosspoint Array |
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