Chapter 8: External Memory Interfaces in the Cyclone III Device Family
Cyclone III Device Family Memory Interfaces Pin Support
8–7
lists the numbers of DQS or DQ groups supported on each side of the
Cyclone III LS device only.
Table 8–2. Cyclone III LS Device DQS and DQ Bus Mode Support for Each Side of the Device
Device
Package
484-pin FineLine
BGA/
484-pin Ultra FineLine
BGA
EP3CLS70
780-pin FineLine BGA
Side
Left
Right
Top
Bottom
Left
Right
Top
Bottom
484-pin FineLine
BGA/
484-pin Ultra FineLine
BGA
EP3CLS100
780-pin FineLine BGA
Left
Right
Top
Bottom
Left
Right
Top
Bottom
Left
484-pin FineLine BGA
Number
of ×8
Groups
2
2
2
2
4
4
6
6
2
2
2
2
4
4
6
6
2
2
2
2
4
4
6
6
2
2
2
2
4
4
6
6
Number
of ×9
Groups
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
Number
of ×16
Groups
1
1
1
1
2
2
2
2
1
1
1
1
2
2
2
2
1
1
1
1
2
2
2
2
1
1
1
1
2
2
2
2
Number
of ×18
Groups
1
1
1
1
2
2
2
2
1
1
1
1
2
2
2
2
1
1
1
1
2
2
2
2
1
1
1
1
2
2
2
2
Number
of ×32
Groups
—
—
—
—
1
1
1
1
—
—
—
—
1
1
1
1
—
—
—
—
1
1
1
1
—
—
—
—
1
1
1
1
Number
of ×36
Groups
—
—
—
—
1
1
1
1
—
—
—
—
1
1
1
1
—
—
—
—
1
1
1
1
—
—
—
—
1
1
1
1
Right
Top
Bottom
Left
Right
Top
Bottom
Left
EP3CLS150
780-pin FineLine BGA
484-pin FineLine BGA
Right
Top
Bottom
Left
Right
Top
Bottom
EP3CLS200
780-pin FineLine BGA
Note to
(1) This device package does not support x32 or 36 mode.
July 2012
Altera Corporation
Cyclone III Device Handbook
Volume 1
ALTERA [ ALTERA CORPORATION ]
