EP3SE50F780I3N Altera, EP3SE50F780I3N Datasheet - Page 282

• Manufacturer Part Number: EP3SE50F780I3N
• Description: Stratix III
• Manufacturer: Altera

Memory Interfaces Pin Support
Figure 8–4. Number of DQS/DQ Groups per Bank in EP3SE50, EP3SL50, EP3SL70, EP3SE80, EP3SE110,
EP3SL110, EP3SL150, EP3SL200, and EP3SE260 Devices in 780-pin FineLine BGA Package
Notes to
(1)
(2)
(3)
(4)
(5)
8–12
Stratix III Device Handbook, Volume 1
Numbers are preliminary until devices are available.
This device does not support ×32/×36 mode.
Some of the ×4 groups may use R
you use these pins as R
3C and 8C.
Some of the DQS/DQ pins in this bank can also be used as configuration pins. Choose the DQS/DQ pins that are
not going to be used by your configuration scheme.
All I/O pin counts include eight dedicated clock inputs (CLK1p, CLK1n, CLK3p, CLK3n, CLK8p, CLK8n,
CLK10p, and CLK10n)
26 User I/Os (5)
26 User I/Os (5)
I/O Bank 1A (3)
I/O Bank 2A (3)
I/O Bank 1C (4)
32 User I/Os
32 User I/Os
x16/x18=1
I/O Bank 2C
x16/x18=1
x16/x18=0
x16/x18=0
x8/x9=2
Figure
x8/x9=2
x8/x9=1
x8/x9=1
x4=4
DLL 1
DLL 2
x4=4
x4=3
x4=3
8–4:
I/O Bank 8A (3)
I/O Bank 3A (3)
40 User I/Os
40 User I/Os
x16/x18=1
x16/x18=1
UP
EP3SE50, EP3SL50, EP3SL70, EP3SE80, EP3SE110, EP3SL110, EP3SL150,
x8/x9=3
x8/x9=3
x4=6
x4=6
and R
DN
UP
pins for OCT calibration. Only EP3SE260 has OCT calibration blocks in I/O banks
/R
DN
I/O Bank 8C
I/O Bank 3C
24 User I/Os
EP3SL200, and EP3SE260 Devices
x16/x18=0
24 User I/Os
x8/x9=1
x16/x18=0
pins as DQ pins. You would lose one DQS/DQ group (in any mode) if
x8/x9=1
x4=2
x4=2
780-pin FineLine BGA
(3)
(3)
24 User I/Os
I/O Bank 7C
24 User I/Os
I/O Bank 4C
x16/x18=0
x16/x18=0
x8/x9=1
x8/x9=1
x4=3
x4=3
I/O Bank 7A (3)
I/O Bank 4A (3)
40 User I/Os
40 User I/Os
x16/x18=1
x16/x18=1
x8/x9=3
x8/x9=3
x4=6
x4=6
Altera Corporation
26 User I/Os (5)
26 User I/Os (5)
I/O Bank 6A (3)
32 User I/Os
32 User I/Os
x16/x18=1
I/O Bank 6C
I/O Bank 5C
x16/x18=0
I/O Bank 5A
x16/x18=1
x16/x18=0
November 2007
x8/x9=2
x8/x9=1
x8/x9=1
x8/x9=2
Notes
x4=4
x4=3
x4=4
x4=3
DLL 4
DLL 3
(1),
(3)
(2)