Altera Cyclone IV Device Handbook page 151

Chapter 7: External Memory Interfaces in Cyclone IV Devices
Cyclone IV Devices Memory Interfaces Pin Support
Table 7–2
Cyclone IV E device.
Table 7–2. Cyclone IV E Device DQS and DQ Bus Mode Support for Each Side of the Device (Part 1 of 3)
Device Package
144-pin EQFP
EP4CE6
256-pin UBGA
EP4CE10
256-pin FBGA
144-pin EQFP
164-pin MBGA
256-pin MBGA
EP4CE15
256-pin UBGA
256-pin FBGA
484-pin FBGA
March 2016 Altera Corporation
lists the number of DQS or DQ groups supported on each side of the
Number
Side ×8
Groups
Left 0
Right 0
(1), (3)
Bottom 1
(1), (4)
Top 1
(1)
Left 1
(2)
Right 1
Bottom 2
Top 2
(1)
Left 1
(2)
Right 1
Bottom 2
Top 2
Left 0
Right 0
(1), (3)
Bottom 1
(1), (4)
Top 1
Left 0
Right 0
Bottom (1), (3) 1
(1), (4)
Top 1
Left 1
Right 1
(1), (3)
Bottom 2
(1), (4)
Top 2
(1)
Left 1
Right (2) 1
Bottom 2
Top 2
(1)
Left 1
(2)
Right 1
Bottom 2
Top 2
Left 4
Right 4
Bottom 4
Top 4
Number Number Number
×9 ×16 ×18
Groups Groups Groups
0 0 0
0 0 0
0 0 0
0 0 0
1 0 0
1 0 0
2 1 1
2 1 1
1 0 0
1 0 0
2 1 1
2 1 1
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
1 0 0
1 0 0
2 1 1
2 1 1
1 0 0
1 0 0
2 1 1
2 1 1
1 0 0
1 0 0
2 1 1
2 1 1
4 2 2
4 2 2
4 2 2
4 2 2
7–5
Number Number
×32 ×36
Groups Groups
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
1 1
1 1
1 1
1 1
Cyclone IV Device Handbook,
Volume 1