LF3321
Horizontal Digital Image Filter
DEVICES INCORPORATED
Improved Performance
DESCRIPTION
Table 1. Switching Characteristics
Commercial Operating Range (0ºC to + 70ºC)
9* (ns) speed grade
Symbol
Parameter
MIN
MAX
t
t
t
t
t
t
t
t
t
t
t
t
t
CYC
PWL
PWH
S0
Cycle Time
9
4
4
4
0
4
0
4
0
Clock Pulse Width Low
Clock Pulse Width High
Input Setup Time
H0
Input Hold Time
SCT
HCT
SCC
HCC
D
Setup Time Control Inputs
Hold Time Control Inputs
Setup Time Coefficient Control Inputs
Hold Time Coefficient Control Inputs
Output Delay
8
DCC
DIS
DIS
Cascade Output Delay
Three State Output Display Delay
Three State Output Enable Delay
7.5
10
10
Figure 2. LF3321 Block Diagram
12
12
ROUT11-0
RIN11-0
INTERLEAVE / DECIMATION
REGISTERS
12
12
8
DIN11-0
COUT11-0
CAB7-0
8
CAA7-0
CENA
12
CFA11-0
PAUSEA
LDA
CENB
12
256
COEFFICIENT
SET
256
COEFFICIENT
SET
CFB11-0
PAUSEB
LDB
16-TAP
16-TAP
FILTER A
FILTER B
STORAGE
STORAGE
ROUND
SELECT
LIMIT
CIRCUITRY
CLK
OED
16
DOUT15-0
Video Imaging Products
LOGIC Devices Incorporated
2
Feb 5, 2003 LDS.3321-A
LOGIC [ LOGIC DEVICES INCORPORATED ]
