EP1C12T173C6 Ver la hoja de datos (PDF) - Altera Corporation
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EP1C12T173C6 Datasheet PDF : 104 Pages
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Cyclone Device Handbook, Volume 1
is not available in the true dual-port mode. Mixed-width configurations
are also possible, allowing different read and write widths. Tables 2–3
and 2–4 summarize the possible M4K RAM block configurations.
Table 2–3. M4K RAM Block Configurations (Simple Dual-Port)
Read Port
4K × 1
2K × 2
1K × 4
512 × 8
256 × 16
128 × 32
512 × 9
256 × 18
128 × 36
Write Port
4K × 1 2K × 2 1K × 4 512 × 8 256 × 16 128 × 32 512 × 9 256 × 18 128 × 36
vvv
v
v
vvv
v
v
vvv
v
v
vvv
v
v
vvv
v
v
vvv
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
Table 2–4. M4K RAM Block Configurations (True Dual-Port)
Port A
4K × 1
2K × 2
1K × 4
512 × 8
256 × 16
512 × 9
256 × 18
4K × 1
v
v
v
v
v
2K × 2
v
v
v
v
v
1K × 4
v
v
v
v
v
Port B
512 × 8
v
v
v
v
v
256 × 16
v
v
v
v
v
512 × 9
v
v
256 × 18
v
v
When the M4K RAM block is configured as a shift register block, you can
create a shift register up to 4,608 bits (w × m × n).
2–22
Preliminary
Altera Corporation
January 2007
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