EP4CE30F29C7N Datasheet, PDF (150/488 Pages) Altera Corporation – Cyclone IV Device Handbook, Volume 1

7–4
Chapter 7: External Memory Interfaces in Cyclone IV Devices
Cyclone IV Devices Memory Interfaces Pin Support
Table 7–1 lists the number of DQS or DQ groups supported on each side of the
Cyclone IV GX device.
Table 7–1. Cyclone IV GX Device DQS and DQ Bus Mode Support for Each Side of the Device
Device
Package
Number Number Number Number Number Number
Side
×8
×9
×16
×18
×32
×36
Groups Groups Groups Groups Groups Groups
Right
1
0
0
0
—
—
148-pin QFN
Top ⁽¹⁾
1
0
0
0
—
—
EP4CGX15
Bottom ⁽²⁾
Right
1
0
0
0
—
—
1
0
0
0
—
—
169-pin FBGA
Top ⁽¹⁾
1
0
0
0
—
—
Bottom ⁽²⁾
1
0
0
0
—
—
Right
1
0
0
0
—
—
169-pin FBGA
Top ⁽¹⁾
1
0
0
0
—
—
Bottom ⁽²⁾
1
0
0
0
—
—
EP4CGX22
EP4CGX30
324-pin FBGA
Right
Top
Bottom
2
2
1
1
—
—
2
2
1
1
—
—
2
2
1
1
—
—
Right
4
2
2
2
1
1
484-pin FBGA ⁽³⁾
Top
4
2
2
2
1
1
Bottom
4
2
2
2
1
1
Right
4
2
2
2
1
1
484-pin FBGA
Top
4
2
2
2
1
1
EP4CGX50
Bottom
4
2
2
2
1
1
EP4CGX75
Right
4
2
2
2
1
1
672-pin FBGA
Top
4
2
2
2
1
1
Bottom
4
2
2
2
1
1
Right
4
2
2
2
1
1
484-pin FBGA
Top
4
2
2
2
1
1
Bottom
4
2
2
2
1
1
EP4CGX110
EP4CGX150
672-pin FBGA
Right
Top
Bottom
4
2
2
2
1
1
4
2
2
2
1
1
4
2
2
2
1
1
Right
6
3
2
2
1
1
896-pin FBGA
Top
6
3
3
3
1
1
Bottom
6
3
3
3
1
1
Notes to Table 7–1:
(1) Some of the DQ pins can be used as RUP and RDN pins. You cannot use these groups if you are using these pins as RUP and RDN pins for
OCT calibration.
(2) Some of the DQ pins can be used as RUP pins while the DM pins can be used as RDN pins. You cannot use these groups if you are using the
RUP and RDN pins for OCT calibration.
(3) Only available for EP4CGX30 device.
Cyclone IV Device Handbook,
Volume 1
May 2013 Altera Corporation