![](http://datasheet.mmic.net.cn/330000/LF2249QC25_datasheet_16422797/LF2249QC25_5.png)
DEVICES INCORPORATED
LF2249
12 x 12-bit Digital Mixer
Video Imaging Products
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08/16/2000–LDS.2249-J
5
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LF2249-
33
Min
33
25
Symbol
t
CYC
Parameter
Cycle Time
Max
Min
25
Max
t
PWL
Clock Pulse Width, LOW
15
10
t
PWH
Clock Pulse Width, HIGH
10
10
t
S
Input Setup Time
8
7
t
H
Input Hold Time
0
0
t
D
Output Delay
15
14
t
ENA
Three-State Output Enable Delay
(Note 11)
15
15
t
DIS
Three-State Output Disable Delay
(Note 11)
15
15
SWITCHING CHARACTERISTICS
C
OMMERCIAL
O
PERATING
R
ANGE
(0°C to +70°C)
Notes 9, 10 (ns)
Symbol
t
CYC
Parameter
Cycle Time
t
PWL
Clock Pulse Width, LOW
t
PWH
Clock Pulse Width, HIGH
t
S
Input Setup Time
t
H
Input Hold Time
t
D
Output Delay
t
ENA
Three-State Output Enable Delay
(Note 11)
t
DIS
Three-State Output Disable Delay
(Note 11)
M
ILITARY
O
PERATING
R
ANGE
(–55°C to +125°C)
Notes 9, 10 (ns)
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CLK
t
H
t
DIS
A
11-0
– D
11-0
CONTROLS
(Except OE)
S
15-0
*
N
t
S
N + 1
t
ENA
HIGH IMPEDANCE
t
PWH
t
PWL
t
D
S
N
S
N + 1
S
N + 2
1
2
3
6
7
8
OE
N + 2
*Assumes ADEL–DDEL = 0000
S
WITCHING
W
AVEFORMS