Geode GXLV Processor Series Low Power Integrated x86 Solutions

Electrical Specifications (Continued)Table 6-14. Clock Signals (Refer to Figures 6-5 and 6-6)SYSCLK = 33 MHz SYSCLK = 30 MHzSymbol ParameterMin Typ Max Min Typ Max Units Commentst1 SYSCLK Period 29.75 30.0 30.25 33.05 33.3 33.55 ns Note 1t2 SYSCLK Period Stability ±250 ±250 pst3 SYSCLK High Time 10.5 11.66 nst4 SYSCLK Low Time 10.5 11.66 nst5 SYSCLK Fall Time 0.5 1.5 0.5 1.5 ns Note 3t6 SYSCLK Rise Time 0.5 1.5 0.5 1.5 ns Note 3t9 SDCLK_OUT, SDCLK[3:0] Period166 MHz / 2.5 13 15.0 17 ns Note 2180 MHz / 2.5 11.9 13.9 16.9180 MHz / 3 14.7 16.7 18.7200 MHz / 3 13 15.0 17233 MHz / 3 10.9 12.9 15.9233 MHz / 3.5 13 15.0 17266 MHz / 3.5 11.1 13.1 16.1266 MHz / 4 13 15.0 17t10 SDCLK_OUT, SDCLK[3:0] High Time166 MHz / 2.5 6.5 ns Note 2180 MHz / 2.5 5.95180 MHz / 3 7.35200 MHz / 3 6.5233 MHz / 3 5.45233 MHz / 3.5 6.5266 MHz / 3.5 5.55266 MHz / 4 6.5t11 SDCLK_OUT, SDCLK[3:0] Low Time166 MHz / 2.5 6.5 ns Note 2180 MHz / 2.5 5.95180 MHz / 3 7.35200 MHz / 3 6.5233 MHz / 3 5.45233 MHz / 3.5 6.5266 MHz / 3.5 5.55266 MHz / 4 6.5Geode GXLV Processor SeriesRevision 1.3 197 www.national.com