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参数资料
| 型号： | DG894 |
| 厂商： | Vishay Intertechnology,Inc. |
| 英文描述： | Component Video Selector(用于视频信号转换的视频选择器) |
| 中文描述： | 分量视频选择（用于视频信号转换的视频选择器） |
| 文件页数： | 6/10页 |
| 文件大小： | 134K |
| 代理商： | DG894 |
DG894
Vishay Siliconix
www.siliconix.com FaxBack 408-970-5600
5-6
Document Number: 70072
S-52433—Rev. D, 06-Sep-99
–5.5 –5.0
–4.5 –4.0 –3.5 –3.0
–2.5 –2.0 –1.5
–1.0 –0.5
–0.0
0
2
4
6
8
10
12
14
16
18
20
V
V– – Negative Supply Voltage (V)
f a Data Sheet Test Conditions
Operating
Voltage
Area
FIGURE 5.
Symbol
Description
Y
0
, Y
1
, Y
2
An analog channel input, typically luminance.
C
0
, C
1
, C
2
An analog channel input, typically chrominance.
R
1
, R
2
, G
1
, G
2
, B
1
, B
2
, FB
1
, FB
2
An analog channel input, typically “red”, “green”, “blue” or “fast blanking”, as appropriate.
GND
Analog and digital ground.
V
DD
Positive supply voltage
a
V
SS
Negative supply voltage
Y
OUT
, C
OUT
An analog channel output, typically luminance or chrominance, as appropriate
R
OUT
, G
OUT
, B
OUT
, FB
OUT
An analog channel output, typically “red”, “green”, “blue” or “fast blanking”, as appropriate.
SMO
A low selects serial mode (I
2
C) operation. A high selects CMOS operation.
SDA
Serial data line
b
SCL
Serial clock line
b
SEL
CMOS control line or I
2
C address
c
select line
Notes:
a. Both V
pins (Pin 1 and Pin 26) must be connected for proper operation.
b. SDA and SCL pins become CMOS control inputs when SMO = High.
c. The SEL pin, in I
2
C bus operation (i.e., with SMO low), is the least significant bit of the device address. This allows two devices to operate on the same I
2
C
bus, yet retain independent control.
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