EP2S15 ALTERA [Altera Corporation], EP2S15 Datasheet - Page 176

• Manufacturer Part Number: EP2S15
• Description: Stratix II Device Family
• Manufacturer: ALTERA [Altera Corporation]

Timing Model
5–40
Stratix II Device Handbook, Volume 1
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M E G A R C
M E G AW E R E S U
M E G AW E R E H
M E G A B E S U
M E G A B E H
M E G A D ATA A S U
M E G A D ATA A H
M E G A A D D R A S U
M E G A A D D R A H
M E G A D ATA B S U
M E G A D ATA B H
M E G A A D D R B S U
M E G A A D D R B H
M E G A D ATA C O 1
M E G A D ATA C O 2
M E G A C L K L
Table 5–42. M-RAM Block Internal Timing Microparameters (Part 1 of 2)
Symbol
Synchronous read cycle
time
Write or read enable
setup time before clock
Write or read enable
hold time after clock
Byte enable setup time
before clock
Byte enable hold time
after clock
A port data setup time
before clock
A port data hold time
after clock
A port address setup
time before clock
A port address hold time
after clock
B port setup time before
clock
B port hold time after
clock
B port address setup
time before clock
B port address hold time
after clock
Clock-to-output delay
when using output
registers
Clock-to-output delay
without output registers
Minimum clock low time 1,250
Parameter
1,866 2,774 1,866 2,911 1,777
1,950 2,899 1,950 3,042 1,857
Min
144
243
589
241
243
589
241
480
(4)
39
50
39
50
50
Grade
-3 Speed
Max
(2)
715
1,312
Min
151
255
618
253
255
618
253
480
(4)
40
52
40
52
52
Grade
-3 Speed
Max
(3)
749
1,866
1,950
1,437
1,437
Min
165
165
279
279
677
677
277
277
279
279
677
677
277
277
457
480
(5)
44
44
57
57
44
44
57
57
57
57
-4 Speed
Grade
Note (1)
3,189 1,777
3,332 1,950 3,884
Max
821
1,866
1,675
Altera Corporation
Min
192
325
789
322
325
789
322
480
(4)
52
67
52
67
67
-5 Speed
Grade
3,716
Max
957
May 2007
Unit
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps