GXLV Datasheet, PDF (197/247 Pages) National Semiconductor (TI) – Geode™ GXLV Processor Series Low Power Integrated x86 Solutions

Electrical Specifications (Continued)
Symbol
t1
t2
t3
t4
t5
t6
t9
t10
t11
Table 6-14. Clock Signals (Refer to Figures 6-5 and 6-6)
SYSCLK = 33 MHz
SYSCLK = 30 MHz
Parameter
Min Typ Max Min Typ Max
SYSCLK Period
29.75 30.0 30.25 33.05 33.3 33.55
SYSCLK Period Stability
±250
±250
SYSCLK High Time
10.5
11.66
SYSCLK Low Time
10.5
11.66
SYSCLK Fall Time
0.5
1.5
0.5
1.5
SYSCLK Rise Time
0.5
1.5
0.5
1.5
SDCLK_OUT, SDCLK[3:0] Period
166 MHz / 2.5
13 15.0 17
180 MHz / 2.5
11.9 13.9 16.9
180 MHz / 3
14.7 16.7 18.7
200 MHz / 3
13 15.0 17
233 MHz / 3
10.9 12.9 15.9
233 MHz / 3.5
13 15.0 17
266 MHz / 3.5
11.1 13.1 16.1
266 MHz / 4
13 15.0 17
SDCLK_OUT, SDCLK[3:0] High Time
166 MHz / 2.5
6.5
180 MHz / 2.5
5.95
180 MHz / 3
7.35
200 MHz / 3
6.5
233 MHz / 3
5.45
233 MHz / 3.5
6.5
266 MHz / 3.5
5.55
266 MHz / 4
6.5
SDCLK_OUT, SDCLK[3:0] Low Time
166 MHz / 2.5
6.5
180 MHz / 2.5
5.95
180 MHz / 3
7.35
200 MHz / 3
6.5
233 MHz / 3
5.45
233 MHz / 3.5
6.5
266 MHz / 3.5
5.55
266 MHz / 4
6.5
Units
ns
ps
ns
ns
ns
ns
Comments
Note 1
Note 3
Note 3
ns Note 2
ns Note 2
ns Note 2
Revision 1.1
197
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