參數(shù)資料
型號: L4C383
廠商: Logic Devices Incorporated
英文描述: 16-bit Cascadable ALU (Extended Set)
中文描述: 16位ALU的級聯(lián)(擴(kuò)展集)
文件頁數(shù): 3/11頁
文件大?。?/td> 83K
代理商: L4C383
DEVICES INCORPORATED
L4C383
16-bit Cascadable ALU (Extended Set)
Arithmetic Logic Units
08/16/2000–LDS.383-E
3
From
Clock
Clock
C
0
S
4
-S
0
A, B
C
0
S
4
-S
0
ENA, ENB, ENF
Minimum cycle time
To
F
Other
Other
Other
Setup time
Setup time
Setup time
Setup time
Calculated Specification Limit
Same as 16-bit case
(Clock
C
16
) + (C
0
Out)
(C
0
C
16
) + (C
0
Out)
(S
4
-S
0
C
16
) + (C
0
Out)
Same as 16-bit case
(C
0
C
16
) + (C
0
Setup time)
(S
4
-S
0
C
16
) + (C
0
Setup time)
Same as 16-bit case
(Clock
C
16
) + (C
0
Setup time)
=
=
=
=
=
=
=
=
=
F
IGURE
4B.
FTAB = 0, FTF = 1
From
Clock
Clock
C
0
C
0
S
4
-S
0
S
4
-S
0
A, B
C
0
S
4
-S
0
ENA, ENB, ENF
Minimum cycle time
To
F
Other
F
Other
F
Other
Setup time
Setup time
Setup time
Setup time
Calculated Specification Limit
(Clock
C
16
) + (C
0
F)
(Clock
C
16
) + (C
0
Out)
(C
0
C
16
) + (C
0
F)
(C
0
C
16
) + (C
0
Out)
(S
4
-S
0
C
16
) + (C
0
F)
(S
4
-S
0
C
16
) + (C
0
Out)
Same as 16-bit case
(C
0
C
16
) + (C
0
Setup time)
(S
4
-S
0
C
16
) + (C
0
Setup time)
Same as 16-bit case
(Clock
C
16
) + (C
0
Setup time)
=
=
=
=
=
=
=
=
=
=
=
D
16
Q
A
31
-A
16
A
F
B
C
0
D
16
Q
A
F
B
C
0
CLOCK
MOST
SIGNIFICANT
SLICE
LEAST
SIGNIFICANT
SLICE
S
0
–S
4
C
0,
C
16
D
Q
D
Q
B
31
-B
16
F
31
-F
16
A
15
-A
0
B
15
-B
0
F
15
-F
0
F
IGURE
4A.
FTAB = 0, FTF = 0
D
16
Q
D
Q
A
31
-A
16
A
F
B
C
0
D
16
Q
D
Q
A
F
B
C
0
CLOCK
CLOCK
CLOCK
MOST
SIGNIFICANT
SLICE
LEAST
SIGNIFICANT
SLICE
S
0
–S
4
C
0,
C
16
D
Q
D
Q
B
31
-B
16
F
31
-F
16
A
15
-A
0
B
15
-B
0
F
15
-F
0
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