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M66256FP 参数 Datasheet PDF下载

M66256FP图片预览
型号: M66256FP
PDF下载: 下载PDF文件 查看货源
内容描述: 5120个8位线存储器(FIFO ) [5120 x 8-BIT LINE MEMORY (FIFO)]
分类和应用: 存储光电二极管先进先出芯片
文件页数/大小: 11 页 / 150 K
品牌: MITSUBISHI [ MITSUBISHI ELECTRIC SEMICONDUCTOR ]
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MITSUBISHI
〈DIGITAL
ASSP〉
M66256FP
5120
×
8-BIT LINE MEMORY (FIFO)
APPLICATION EXAMPLE
Laplacian Filter Circuit for Correction of Resolution in the Secondary Scanning Direction.
M66256
N
Line n image data
D
0
~
Q
0
~
Adder
N+K {2N–(A+B)}
B
Line (n+1)
image data
D
9
Q
9
×2
Corrected
image data
1-line
delay
Subtractor
2N–(A+B)
×K
M66256
A
Line (n–1)
image data
D
0
D
9
~
Q
0
Q
9
~
1-line
delay
Secondary scanning
direction
Primary scanning
direction
A
N
B
Line (n–1)
Line n
Line (n+1)
N' = N+K {
(N–A)+(N–B)}
= N+K {
2N–(A+B)}
K : Laplacean coefficient
Adder
A+B
11