ep1s25 Altera Corporation, ep1s25 Datasheet - Page 244

• Manufacturer Part Number: ep1s25
• Description: Stratix Device Family Data Sheet
• Manufacturer: Altera Corporation

Timing Model
4–74
Stratix Device Handbook, Volume 1
Note to
(1)
Decrease input delay
to internal cells
Decrease input delay
to input register
Decrease input delay
to output register
Increase delay to
output pin
Increase delay to
output enable pin
Increase output clock
enable delay
Increase input clock
enable delay
Increase output
enable clock enable
delay
Increase t
output pin
Table 4–110. Stratix IOE Programmable Delays on Row Pins
The delay chain delays vary for different device densities. These timing values only apply to EP1S30 and EP1S40
devices. Reference the timing information reported by the Quartus II software for other devices.
Parameter
Table 4–109
ZX
delay to
and
Off
Small
Medium
Large
On
Off
On
Off
On
Off
On
Off
On
Off
Small
Large
On
Off
Small
Large
On
Off
Small
Large
On
Off
On
Table
Setting
4–110:
-5 Speed Grade -6 Speed Grade -7 Speed Grade -8 Speed Grade
Min
3,970
3,390
2,810
3,900
1,240
1,016
1,016
1,993
Max
173
173
397
348
180
260
260
180
260
260
540
0
0
0
0
0
0
0
0
Min
4,367
3,729
3,091
4,290
1,364
1,118
1,118
2,092
Max
181
181
417
383
198
286
286
198
286
286
594
0
0
0
0
0
0
0
0
Note (1)
Min
5,022
4,288
3,554
4,933
1,568
1,285
1,285
2,092
Max
208
208
417
441
227
328
328
227
328
328
683
0
0
0
0
0
0
0
0
Min
Altera Corporation
January 2006
5,908
5,045
4,181
5,804
1,845
1,512
1,512
2,092
Max
245
245
417
518
267
386
386
267
386
386
804
0
0
0
0
0
0
0
0
Unit
ps
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