Chapter 8: External Memory Interfaces in the Cyclone III Device Family
Cyclone III Device Family Memory Interfaces Pin Support
8–5
Table 8–1. Cyclone III Device DQS and DQ Bus Mode Support for Each Side of the Device (Part 3 of 4)
Device
Package
Left
144-pin EQFP
Side
Number
×8
Groups
0
0
1
Number
×9
Groups
0
0
0
0
1
0
1
1
1
1
2
2
2
2
2
2
1
0
1
1
2
2
2
2
2
2
2
2
2
2
2
2
Number
×16
Groups
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
0
1
1
1
1
2
2
2
2
2
2
2
2
Number
×18
Groups
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
0
1
1
1
1
2
2
2
2
2
2
2
2
Number
×32
Groups
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Number
×36
Groups
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Right
Top
Left
Bottom
Right
Top
Bottom
Left
Top
Bottom
Left
324-pin FineLine BGA
1
1
1
1
1
1
1
2
2
2
2
2
2
1
1
1
1
2
2
2
2
4
4
4
4
4
4
6
6
240-pin PQFP
EP3C25
256-pin FineLine
BGA/256-pin
Ultra FineLine
BGA
Right
Right
Top
Bottom
Left
240-pin PQFP
Top
Bottom
Left
324-pin FineLine BGA
EP3C40
Right
Top
Bottom
Left
Right
Top
Bottom
Left
780-pin FineLine BGA
Right
Top
Bottom
Right
484-pin FineLine
BGA/484-pin
Ultra FineLine
BGA
July 2012
Altera Corporation
Cyclone III Device Handbook
Volume 1
ALTERA [ ALTERA CORPORATION ]
