GX1 Datasheet, PDF (198/247 Pages) National Semiconductor (TI) – Processor Series Low Power Integrated x86 Solution

Electrical Specifications (Continued)
Symbol
t1
t2
t3
t4
t5
t6
t9
t10
t11
t12
Table 6-14. Clock Signals (Refer to Figures 6-5 and 6-6)
SYSCLK = 33 MHz
Parameter
Min
Typ
Max
SYSCLK Period¹
SYSCLK Period Stability
SYSCLK High Time
SYSCLK Low Time
SYSCLK Fall Time²
SYSCLK Rise Time²
SDCLK_OUT, SDCLK[3:0] Period³
200 MHz / 3
233 MHz / 3
233 MHz / 3.5
266 MHz / 3.5
266 MHz / 4
300 MHz / 4
SDCLK_OUT, SDCLK[3:0] High Time³
200 MHz / 3
233 MHz / 3
233 MHz / 3.5
266 MHz / 3.5
266 MHz / 4
300 MHz / 4
SDCLK_OUT, SDCLK[3:0] Low Time³
200 MHz / 3
233 MHz / 3
233 MHz / 3.5
266 MHz / 3.5
266 MHz / 4
300 MHz / 4
SDCLK_OUT, SDCLK[3:0] Fall Time²
200 MHz / 3
233 MHz / 3
233 MHz / 3.5
266 MHz / 3.5
266 MHz / 4
300 MHz / 4
29.75
10.5
10.5
0.5
0.5
13
10.9
13
11.1
13
11.3
6.0
5.0
6.0
5.0
6.0
5.0
6.0
5.0
6.0
5.0
6.0
5.0
0.5
0.5
0.5
0.5
0.5
.5
30.0
15.0
12.9
15.0
13.1
15.0
13.3
30.25
±250
1.5
1.5
17
14.9
17
15.1
17
15.3
Units
ns
ps
ns
ns
ns
ns
ns
ns
ns
ns
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