ep2c35 Altera Corporation, ep2c35 Datasheet - Page 40

• Manufacturer Part Number: ep2c35
• Description: Cyclone Ii Device Family Data Sheet
• Manufacturer: Altera Corporation

Embedded Memory
2–28
Cyclone II Device Handbook, Volume 1
Each M4K block can implement various types of memory with or without
parity, including true dual-port, simple dual-port, and single-port RAM,
ROM, and first-in first-out (FIFO) buffers. The M4K blocks support the
following features:
■
■
■
■
■
■
■
■
■
■
■
■
1
Table 2–5
in each Cyclone II device.
EP2C5
EP2C8
EP2C15
EP2C20
EP2C35
EP2C50
EP2C70
Table 2–5. M4K Memory Capacity & Distribution in Cyclone II Devices
4,608 RAM bits
250-MHz performance
True dual-port memory
Simple dual-port memory
Single-port memory
Byte enable
Parity bits
Shift register
FIFO buffer
ROM
Various clock modes
Address clock enable
Device
Violating the setup or hold time on the memory block address
registers could corrupt memory contents. This applies to both
read and write operations.
shows the capacity and distribution of the M4K memory blocks
M4K Columns
2
2
2
2
3
3
5
M4K Blocks
105
129
250
26
36
52
52
Altera Corporation
Total RAM Bits
February 2007
1,152,000
119,808
165,888
239,616
239,616
483,840
594,432