參數(shù)資料
型號: AD8112
廠商: Analog Devices, Inc.
英文描述: Audio/Video, 60 MHz, 16 】 8, Gain of +2 Crosspoint Switch
中文描述: 音頻/視頻,60兆赫,16】8,2交叉點(diǎn)開關(guān)增益
文件頁數(shù): 8/28頁
文件大?。?/td> 412K
代理商: AD8112
AD8112
Rev. 0 | Page 8 of 28
Table 7. Operation Truth Table
CE UPDATE CLK DATA IN
1
X
0
1
DATA OUT
X
Data
i-80
RESET
X
1
SER/PAR
X
0
Operation/Comment
No change in logic.
The data on the serial DATA IN line is loaded into serial register.
The first bit clocked into the serial register appears at DATA OUT
80 clocks later.
The data on the parallel data lines, D0 to D4, is loaded into the
80-bit serial shift register location addressed by A0 to A2.
X
X
Data
i
0
1
D0 ... D4,
A0 ... A2
N/A in
Parallel
Mode
X
1
1
0
0
X
X
1
X
Data in the 80-bit shift register transfers into the parallel
latches that control the switch array. Latches are transparent.
Asynchronous operation. All outputs are disabled. Remainder
of logic is unchanged.
X
X
X
X
X
0
X
D
CLK
Q
3
A0
A1
A2
CLK
CE
UPDATE
8
128
DATA IN
(OUTPUT
ENABLE)
SER/PAR
RESET
(OUTPUT ENABLE)
OUT00 EN
DATA OUT
PARDATA
D
CLK
CLK
CLK
CLK
D1
D2
D3
D4
CLK
CLK
CLK
CLK
CLK
OUT01 EN
OUT02 EN
OUT03 EN
OUT04 EN
OUT05 EN
OUT06 EN
OUT07 EN
D
LE
Q
CLR
OEN
OUTPUT ENABLE
SWITCH MATRIX
S
D1
Q
D0
D0
S
D1
Q
D0
S
D1
Q
D0
S
D1
Q
D0
S
D1
Q
D0
S
D1
Q
D0
S
D1
Q
D0
S
D1
Q
D0
CLK
S
D1
Q
D0
DECODE
D
LE
Q
CLR
OEN
D
LE
OB0
Q
D
LE
Q
OB1
D
LE
Q
OB2
D
LE
Q
OB3
D
LE
OB0
Q
D
LE
Q
CLR
OEN
D
LE
OB0
Q
D
LE
OB1
Q
D
LE
OB2
Q
CLK
S
D1
Q
D0
S
D1
Q
D0
D
LE
OB3
Q
S
D1
Q
D0
O
A
Q
D Q
D Q
D Q
D Q
D Q
D Q
D Q
D Q
D Q
D Q
0
Figure 5. Logic Diagram
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