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SPEAR300 Fiches technique(PDF) 58 Page - STMicroelectronics

No de pièce SPEAR300
Description  Embedded MPU with ARM926 core, flexible memory support, powerful connectivity features and human machine interface
PDF  83 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

SPEAR300 Fiches technique(HTML) 58 Page - STMicroelectronics

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Timing requirements
SPEAr300
58/83
Doc ID 16324 Rev 2
6.1.2
DDR2 write cycle timings
Figure 9.
DDR2 Write cycle waveforms
Figure 10.
DDR2 Write cycle path
166 MHz
2.00 ns
260 ps
133 MHz
2.37 ns
634 ps
Table 26.
DDR2 Read cycle timings (continued)
Frequency
t4 max
t5 max
Table 27.
DDR2 Write cycle timings
Frequency
t4 max
t5 max
Unit
333 MHz
1.36
-1.55
ns
266 MHz
1.55
-1.36
ns
200 MHz
1.86
-1.05
ns
166 MHz
2.11
- 794
ns
133 MHz
2.49
-420
ns
t6
t6
t6
t4
t5
t4
t5
t4
t5
CLK
DQS
DQ



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