參數(shù)資料
型號: LMA2009JC20
廠商: LOGIC DEVICES INC
元件分類: 數(shù)字信號處理外設(shè)
英文描述: 12 x 12-bit Multiplier-Accumulator
中文描述: 12-BIT, DSP-MULTIPLIER ACCUMULATOR/SUMMER, PQCC68
封裝: PLASTIC, LCC-68
文件頁數(shù): 4/7頁
文件大小: 189K
代理商: LMA2009JC20
DEVICES INCORPORATED
Multiplier-Accumulators
03/29/2000–LDS.10/2009-L
4
LMA 1009/2009
12 x 12-bit Multiplier-Accumulator
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Symbol
t
MC
Parameter
Clocked Multiply Time
t
PW
t
S
t
H
t
SP
t
HP
t
D
t
ENA
Clock Pulse Width
Input Register Setup Time
Input Register Hold Time
Preload Setup Time
Preload Hold Time
Output Delay
Three-State Output Enable Delay
(Note 11)
t
DIS
Three-State Output Disable Delay
(Note 11)
45
20
Symbol
t
MC
Parameter
Clocked Multiply Time
Min
Max
45
Min
Max
20
t
PW
t
S
t
H
t
SP
t
HP
t
D
t
ENA
Clock Pulse Width
Input Register Setup Time
Input Register Hold Time
Preload Setup Time
Preload Hold Time
Output Delay
Three-State Output Enable Delay
(Note 11)
15
12
2
12
2
8
10
2
10
2
25
25
18
18
18
t
DIS
Three-State Output Disable Delay
(Note 11)
25
C
OMMERCIAL
O
PERATING
R
ANGE
(0°C to +70°C)
Notes 9, 10 (ns)
SWITCHING CHARACTERISTICS
M
ILITARY
O
PERATING
R
ANGE
(–55°C to +125°C)
Notes 9, 10 (ns)
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S
WITCHING
W
AVEFORMS
HIGH IMPEDANCE
A
11-0
B
11-0
t
ENA
t
DIS
t
MC
t
H
t
S
CLK A
CLK B
CLK R
OE*
t
SP
OUTPUT
PRELOAD
t
HP
R
26-0
PREL
t
PW
t
PW
t
PW
t
D
*includes OEX, OEM, OEL
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