EP3C16F256I7N Altera, EP3C16F256I7N Datasheet - Page 226

• Manufacturer Part Number: EP3C16F256I7N
• Description: Cyclone III
• Manufacturer: Altera

External Memory Interfaces in Cyclone III Devices
Figure 9–4. DQS/CQ/CQ# Pins in Cyclone III I/O Banks
Note to
(1)
9–12
Cyclone III Device Handbook, Volume 1
The DQS/CQ/CQ# pin locations in this diagram applies to all packages in the Cyclone III family except EP3C5,
EP3C10, EP3C16 and EP3C25 devices in 144-pin EQFP package.
Figure
DQS1L/CQ1L#
DQS3L/CQ3L#
9–4:
DQS2L/CQ3L
DQS0L/CQ1L
DQ pin numbering is based on ×8/×9 mode. There are up to 20 DQS/DQ
groups in ×8 mode or up to 8 DQS/DQ groups in ×9 mode in the I/O
banks, that can be utilized for the external memory interface.
and
pins in the Cyclone III I/O banks.
Figure 9–5
I/O Bank 3
I/O Bank 8
show the location and numbering of the DQS/DQ/CQ#
Cyclone III Devices
Note (1)
I/O Bank 7
I/O Bank 4
Altera Corporation-Preliminary
DQS3R/CQ3R#
DQS0R/CQ1R
DQS1R/CQ1R#
DQS2R/CQ3R
Figure 9–4
March 2007