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EP1C3 Datasheet(PDF) 46 Page - List of Unclassifed Manufacturers

Part # EP1C3
Description  Cyclone Device Handbook, Volume 1
PDF  385 Pages
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Manufacturer  ETC2 [List of Unclassifed Manufacturers]
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EP1C3 Datasheet(HTML) 46 Page - List of Unclassifed Manufacturers

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2–26
Altera Corporation
Preliminary
May 2008
Cyclone Device Handbook, Volume 1
Figure 2–18. Input/Output Clock Mode in True Dual-Port Mode
Notes (1), (2)
Notes to Figure 2–18:
(1)
All registers shown have asynchronous clear ports.
(2)
Violating the setup or hold time on the address registers could corrupt the memory contents. This applies to both
read and write operations.
6
D
ENA
Q
D
ENA
Q
D
ENA
Q
data
A[ ]
address
A[ ]
Memory Block
256
× 16 (2)
512
× 8
1,024
× 4
2,048
× 2
4,096
× 1
Data In
Address A
Write/Read
Enable
Data Out
Data In
Address B
Write/Read
Enable
Data Out
clken
A
clock
A
D
ENA
Q
wren
A
6 LAB Row Clocks
q
A[ ]
6
data
B[ ]
address
B[ ]
clken
B
clock
B
wren
B
q
B[ ]
ENA
AB
ENA
D
Q
ENA
D
Q
ENA
D
Q
D
Q
D
ENA
Q
byteena
A[ ]
Byte Enable A
Byte Enable B
byteena
B[ ]
ENA
D
Q
Write
Pulse
Generator
Write
Pulse
Generator



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