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參數(shù)資料
| 型號(hào)： | LMA2010 |
| 廠商： | Logic Devices Incorporated |
| 英文描述： | 16 x 16-Bit Multiplier-Accumulator(16x 16位乘法器-累加器) |
| 中文描述： | 16 × 16位乘法累加器（16x的16位乘法器-累加器） |
| 文件頁(yè)數(shù)： | 2/7頁(yè) |
| 文件大?。?/td> | 192K |
| 代理商： | LMA2010 |
DEVICES INCORPORATED
LMA1010/2010
16 x 16-bit Multiplier-Accumulator
Multiplier-Accumulators
08/16/2000–LDS.10/2010-P
2
T
ABLE
1. P
RELOAD
T
RUTH
T
ABLE
PREL= Preload data to appropriate register
OUT = Register available on output pins
Z
= High impedance state
PREL OEX
OEM
OEL
XTR
MSR LSR
L
L
L
L
OUT
OUT
OUT
L
L
L
H
OUT
OUT
Z
L
L
H
L
OUT
Z
OUT
L
L
H
H
OUT
Z
Z
L
H
L
L
Z
OUT
OUT
L
H
L
H
Z
OUT
Z
L
H
H
L
Z
Z
OUT
L
H
H
H
Z
Z
Z
H
L
L
L
Z
Z
Z
H
L
L
H
Z
Z
PREL
H
L
H
L
Z
PREL
Z
H
L
H
H
Z
PREL PREL
H
H
L
L
PREL
Z
Z
H
H
L
H
PREL
Z
PREL
H
H
H
L
PREL PREL
Z
H
H
H
H
PREL PREL PREL
F
IGURE
1
A
.
I
NPUT
F
ORMATS
15 14 13
–2
0
(Sign)
2
1
0
2
–1
2
–2
2
–13
2
–14
2
–15
15 14 13
–2
0
(Sign)
2
1
0
2
–1
2
–2
2
–13
2
–14
2
–15
Fractional Two’s Complement (TC = 1)
15 14 13
–2
15
(Sign)
2
2
2
1
2
1
0
2
0
2
14
2
13
15 14 13
–2
15
(Sign)
2
2
2
1
2
1
0
2
0
2
14
2
13
Integer Two’s Complement (TC = 1)
15 14 13
2
–1
2
–2
2
–3
2
1
0
2
–14
2
–15
2
–16
15 14 13
2
–1
2
–2
2
–3
2
1
0
2
–14
2
–15
2
–16
Unsigned Fractional (TC = 0)
15 14 13
2
15
2
14
2
13
2
2
2
1
2
1
0
2
0
15 14 13
2
15
2
14
2
13
2
2
2
1
2
1
0
2
0
Unsigned Integer (TC = 0)
A
IN
B
IN
F
IGURE
1
B
.
O
UTPUT
F
ORMATS
31 30 29
2
1
2
0
2
–1
18 17 16
2
–12
2
–13
2
–14
34 33 32
–2
4
(Sign)
2
3
2
2
Fractional Two’s Complement
Integer Two’s Complement
Unsigned Fractional
Unsigned Integer
MSR
LSR
31 30 29
2
31
2
30
2
29
18 17 16
2
18
2
17
2
16
31 30 29
2
–1
2
–2
2
–3
18 17 16
2
–14
2
–15
2
–16
31 30 29
2
31
2
30
2
29
18 17 16
2
18
2
17
2
16
15 14 13
2
–15
2
–16
2
–17
2
1
0
2
–28
2
–29
2
–30
XTR
34 33 32
–2
34
(Sign)
2
33
2
32
15 14 13
2
15
2
14
2
13
2
2
2
1
2
1
0
2
0
34 33 32
2
2
2
1
2
0
15 14 13
2
–17
2
–18
2
–19
2
1
0
2
–30
2
–31
2
–32
34 33 32
2
34
2
33
2
32
15 14 13
2
15
2
14
2
13
2
2
2
1
2
1
0
2
0
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