1–36
Table 1–44
devices.
Table 1–44. IOE Programmable Delay on Column Pins for Cyclone IV GX Devices
Parameter
Pad to I/O
Input delay from pin to
dataout to
internal cells
core
Input delay from pin to
Pad to I/O
input register
input register
I/O output
Delay from output
register to
register to output pin
pad
Input delay from
Pad to global
dual-purpose clock pin
clock
to fan-out destinations
network
Notes to
Table
1–44:
(1) The incremental values for the settings are generally linear. For exact values of each setting, use the latest version of the Quartus II software.
(2) The minimum and maximum offset timing numbers are in reference to setting 0 as available in the Quartus II software.
Table 1–45. IOE Programmable Delay on Row Pins for Cyclone IV GX Devices
Parameter
Affected
Pad to I/O
Input delay from pin to
dataout to
internal cells
core
Input delay from pin to
Pad to I/O
input register
input register
I/O output
Delay from output
register to
register to output pin
pad
Input delay from
Pad to global
dual-purpose clock pin
clock network
to fan-out destinations
Notes to
Table
1–45:
(1) The incremental values for the settings are generally linear. For exact values of each setting, use the latest version of Quartus II software.
(2) The minimum and maximum offset timing numbers are in reference to setting 0 as available in the Quartus II software
Cyclone IV Device Handbook,
Volume 3
and
Table 1–45
list the IOE programmable delay for Cyclone IV GX
Number
Paths
Min
of
Affected
Offset
Settings
7
0
8
0
2
0
12
0
Number
Paths
Min
of
Offset
Settings
7
0
8
0
2
0
12
0
Chapter 1: Cyclone IV Device Datasheet
(1),
(2)
Max Offset
Fast Corner
C6
I7
C6
1.313
1.209
2.184
2.336
1.312
1.208
2.200
2.399
0.438
0.404
0.751
0.825
0.713
0.682
1.228
(1),
(2)
Max Offset
Fast Corner
C6
I7
C6
1.314
1.210
2.209
2.398
1.313
1.208
2.205
2.406
0.461
0.421
0.789
0.869
0.712
0.682
1.225
1.407
Switching Characteristics
Slow Corner
Unit
C7
C8
I7
2.451
2.387
ns
2.554
2.446
ns
0.886
0.839
ns
1.41
1.566
1.424
ns
Slow Corner
Unit
C7
C8
I7
2.526
2.443
ns
2.563
2.450
ns
0.933
0.884
ns
1.562
1.421
ns
December 2016 Altera Corporation
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