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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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M58WR032EB 数据表(PDF) 44 Page - STMicroelectronics |
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M58WR032EB 数据表(HTML) 44 Page - STMicroelectronics |
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44 / 81 page  M58WR032ET, M58WR032EB 44/81 Figure 14. Clock input AC Waveform Table 21. Synchronous Read AC Characteristics Note: 1. Sampled only, not 100% tested. 2. For other timings please refer to Table 20., Asynchronous Read AC Characteristics. Symbol Alt Parameter VDDQ = 1.65V-2.2V VDDQ = 2.2V-3.3V Unit 70 80 100 70 80 100 tAVKH tAVCLKH Address Valid to Clock High Min 9 9 9 9 9 10 ns tELKH tELCLKH Chip Enable Low to Clock High Min 9 9 9 9 9 10 ns tELTV Chip Enable Low to Wait Valid Max 141418202222 ns tEHEL Chip Enable Pulse Width (subsequent synchronous reads) Min 141414202020 ns tEHTZ Chip Enable High to Wait Hi-Z Max 141420252525 ns tKHAX tCLKHAX Clock High to Address Transition Min 9 9 10 10 10 10 ns tKHQV tKHTV tCLKHQV Clock High to Output Valid Clock High to WAIT Valid Max 141418202222 ns tKHQX tKHTX tCLKHQX Clock High to Output Transition Clock High to WAIT Transition Min 4 44 55 5 ns tLLKH tADVLCLK H Latch Enable Low to Clock High Min 9 9 9 10 10 10 ns tKHKH tCLK Clock Period (f=33MHz) Min -- - 30 30 ns Clock Period (f=40MHz) - - 25 25 - - Clock Period (f=54MHz) 18.5 18.5 - - - ns tKHKL tKLKH Clock High to Clock Low Clock Low to Clock High Min 4.5 4.5 5 9.5 9.5 9.5 ns tf tr Clock Fall or Rise Time Max 3 3 3 3 5 5 ns AI06981 tKHKH tf tr tKHKL tKLKH |
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