English
Language : 

EP2SGX130GF1508C4 Datasheet, PDF (244/316 Pages) Altera Corporation – Section I. Stratix II GX Device Data Sheet
Timing Model
Table 4–60. M4K Block Internal Timing Microparameters (Part 2 of 2) Note (1)
Symbol
Parameter
-3 Speed Grade
(2)
-3 Speed Grade
(3)
-4 Speed Grade
-5 Speed Grade
Unit
Min Max Min Max Min Max Min Max
tM4KDATABH B port data hold 203
213
226
272
ps
time after clock
tM4KRADDRBSU B port address
22
23
24
29
ps
setup time before
clock
tM4KRADDRBH B port address
203
213
226
272
ps
hold time after
clock
tM4KDATACO1 Clock-to-output
334 524 334 549 334 584
334 701 ps
delay when using
output registers
tM4KDATACO2
Clock-to-output
delay without
output registers
1616 2453 1616 2574 1616 2737 1616 3286 ps
tM4KCLKH
Minimum clock 1250
1312
1395
1675
ps
high time
tM4KCLKL
Minimum clock 1250
1312
1395
1675
ps
low time
tM4KCLR
Minimum clear
144
151
160
192
ps
pulse width
(1) The M512 block fMAX obtained using the Quartus II software does not necessarily equal to 1/TM4KRC.
(2) This column refers to –3 speed grades for EP2SGX30, EP2SGX60, and EP2SGX90 devices.
(3) This column refers to –3 speed grades for EP2SGX130 devices.
Table 4–61. M-RAM Block Internal Timing Microparameters (Part 1 of 2) Note (1)
Symbol
Parameter
tMEGARC
Synchronous read
cycle time
tMEGAWERESU
Write or read enable
setup time before
clock
tMEGAWEREH Write or read enable
hold time after clock
-3 Speed
Grade (2)
Min Max
1866 2774
-3 Speed
Grade (3)
Min Max
1866 2911
-4 Speed
Grade
Min Max
1866 3096
-5 Speed
Grade Unit
Min Max
1866 3716 ps
144
151
160
192
ps
39
40
43
52
ps
4–74
Stratix II GX Device Handbook, Volume 1
Altera Corporation
June 2009