
DEVICES INCORPORATED
Video Imaging Products
LF3347
High-Speed Image Filter with Coefficient RAM
08/16/2000–LDS.3347-G
7
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S
WITCHING
W
AVEFORMS
:
C
OEFFICIENT
B
ANK
AND
C
ONTROL
R
EGISTER
I
NPUT
CCCLK
t
CCWH
t
CCWL
t
SCYC
t
CCENS
t
CCS
t
CCH
ADDRESS
C
1
C
2
t
CCENH
LD
CC
11–0
1
2
4
5
3
C
3
C
0
6
W: Coefficient Banks/Control Registers written to on this clock cycle.
W
LF3347–
15
Min
15
12
Symbol
t
CCCYC
Control Coefficient Interface Cycle Time
Parameter
Max
Min
12
Max
t
CCWL
Control Coefficient Clock Pulse Width Low
7
5
t
CCWH
Control Coefficient Clock Pulse Width High
7
5
t
CCENS
Control Coefficient Enable Setup Time
5
3
t
CCENH
Control Coefficient Enable Hold Time
0
0
t
CCS
Control Coefficient Data Input Setup Time
5
5
t
CCH
Control Coefficient Data Input Hold Time
0
0
C
OMMERCIAL
O
PERATING
R
ANGE
(0°C to +70°C)
Notes 9, 10 (ns)
M
ILITARY
O
PERATING
R
ANGE
(–55°C to +125°C)
Notes 9, 10 (ns)
Symbol
t
CCCYC
Control Coefficient Interface Cycle Time
Parameter
t
CCWL
Control Coefficient Clock Pulse Width Low
t
CCWH
Control Coefficient Clock Pulse Width High
t
CCENS
Control Coefficient Enable Setup Time
t
CCENH
Control Coefficient Enable Hold Time
t
CCS
Control Coefficient Data Input Setup Time
t
CCH
Control Coefficient Data Input Hold Time
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