EP3C16F256I7N Altera, EP3C16F256I7N Datasheet - Page 66
EP3C16F256I7N
Manufacturer Part Number
EP3C16F256I7N
Description
Cyclone III
Manufacturer
Altera
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Memory Blocks in Cyclone III Devices
4–12
Cyclone III Device Handbook, Volume 1
Read Port
8192 × 1
4096 × 2
2048 × 4
1024 × 8
512 × 16
256 × 32
1024 × 9
512 × 18
256 × 36
Table 4–4. Cyclone III M9K Block Mixed-Width Configurations (Simple Dual-Port Mode)
8192 × 1 4096 × 2 2048 × 4 1024 × 8 512 × 16
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Simple Dual-Port Mode
Simple dual-port mode supports simultaneous read and write operation
to different locations.
configuration.
Figure 4–9. Cyclone III Simple Dual-Port Memory
Note to
(1)
Cyclone III memory blocks support mixed-width configurations,
allowing different read and write port widths.
mixed-width configurations.
Simple dual-port RAM supports input/output clock mode in addition to the
read/write clock mode shown.
Figure
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4–9:
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data[ ]
wraddress[ ]
wren
byteena[]
wr_addressstall
wrclock
wrclocken
aclr
Figure 4–9
Write Port
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shows the simple dual-port memory
256 × 32
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rd_addressstall
Altera Corporation-Preliminary
rdaddress[ ]
rdclocken
1024 × 9
(1)
rdclock
Table 4–4
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rden
q[ ]
512 × 18
shows
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March 2007
256 × 36
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