EP3C16F256I7N Altera, EP3C16F256I7N Datasheet - Page 438

• Manufacturer Part Number: EP3C16F256I7N
• Description: Cyclone III
• Manufacturer: Altera

Switching Characteristics
1–28
Cyclone III Handbook
External Memory Interface Specifications
Cyclone III devices support external memory interfaces up to 200 MHz.
Cyclone III external memory interfaces are auto-calibrating and easy to
implement.
Specifications for the Cyclone III device family.
Notes to
(1)
(2)
(3)
f
HSIODR
SW
Input jitter tolerance
t
HSCLK
LOCK
Table 1–34. Dedicated LVDS Receiver Timing Specification
Pending silicon characterization.
Values for device speed grade -7 and -8 will be available after characterization.
Dedicated LVDS Receiver is supported at all banks.
(input clock frequency)
Table
Symbol
Table 1–35
1–34:
to
Table 1–38
Modes
x10
x10
x8
x7
x4
x2
x1
x8
x7
x4
x2
x1
list the External Memory Interface
Altera Corporation- Preliminary
Min
100
10
10
10
10
10
10
80
70
40
20
10
-6 Speed Grade
Typ
(2)
437.5
,
437.5
437.5
437.5
437.5
437.5
437.5
Max
875
875
875
875
875
400
(3)
(1)
(1)
March 2007
Mbps
Mbps
Mbps
Mbps
Mbps
Mbps
MHz
MHz
MHz
MHz
MHz
MHz
Unit
ps
ps
ps