EP2AGX190FF35C4N Datasheet, PDF (80/90 Pages) Altera Corporation – Volume 3: Device Datasheet and Addendum

1–72
Chapter 1: Device Datasheet for Arria II Devices
Switching Characteristics
IOE Programmable Delay
Table 1–66 lists the delay associated with each supported IOE programmable delay
chain for Arria II GX devices.
Table 1–66. IOE Programmable Delay for Arria II GX Devices
Parameter
Available Minimum
Settings Offset
(1)
(2)
Fast Model
I3
C4
I5
Maximum Offset
Slow Model
I3
C4
C5
I5
Output
enable pin
7
delay
0
0.413 0.442 0.413 0.814 0.713 0.796 0.801
Delay from
output
register to
7
output pin
0
0.339 0.362 0.339 0.671 0.585 0.654 0.661
Input delay
from pin to
52
internal cell
0
1.494 1.607 1.494 2.895 2.520 2.733 2.775
Input delay
from pin to
52
input register
0
1.493 1.607 1.493 2.896 2.503 2.732 2.774
DQS bus to
input register
4
delay
0
0.074 0.076 0.074 0.140 0.124 0.147 0.147
Notes to Table 1–66:
(1) The available setting for every delay chain starts with zero and ends with the specified maximum number of settings.
(2) The minimum offset represented in the table does not include intrinsic delay.
Unit
C6
0.873 ns
0.722 ns
2.944 ns
2.944 ns
0.167 ns
Table 1–67 lists the IOE programmable delay settings for Arria II GZ devices.
Table 1–67. IOE Programmable Delay for Arria II GZ Devices
Parameter
Available
Settings
(1)
Minimum
Offset (2)
Maximum Offset
Fast Model
Slow Model
Industrial Commercial C3
I3
C4
Unit
I4
D1
15
0
0.462
0.505
0.795 0.801 0.857 0.864 ns
D2
7
0
0.234
0.232
0.372 0.371 0.407 0.405 ns
D3
7
0
1.700
1.769
2.927 2.948 3.157 3.178 ns
D4
15
0
0.508
0.554
0.882 0.889 0.952 0.959 ns
D5
15
0
0.472
0.500
0.799 0.817 0.875 0.882 ns
D6
6
0
0.186
0.195
0.319 0.321 0.345 0.347 ns
Notes to Table 1–67:
(1) You can set this value in the Quartus II software by selecting D1, D2, D3, D4, D5, and D6 in the Assignment Name column.
(2) Minimum offset does not include the intrinsic delay.
Arria II Device Handbook Volume 3: Device Datasheet and Addendum
July 2012 Altera Corporation