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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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M58LR128FT датащи(PDF) 46 Page - STMicroelectronics |
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M58LR128FT датащи(HTML) 46 Page - STMicroelectronics |
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46 / 82 page  M58LR128FT, M58LR128FB 46/82 Figure 15. Clock input AC Waveform Table 22. Synchronous Read AC Characteristics Note: 1. Sampled only, not 100% tested. 2. For other timings please refer to Table 21., Asynchronous Read AC Characteristics. Symbol Alt Parameter M58LR128FT/B Unit 85 95 tAVKH tAVCLKH Address Valid to Clock High Min 7 9 ns tELKH tELCLKH Chip Enable Low to Clock High Min 7 9 ns tELTV Chip Enable Low to Wait Valid Max 14 17 ns tEHEL Chip Enable Pulse Width (subsequent synchronous reads) Min 14 17 ns tEHTZ Chip Enable High to Wait Hi-Z Max 17 20 ns tKHAX tCLKHAX Clock High to Address Transition Min 7 10 ns tKHQV tKHTV tCLKHQV Clock High to Output Valid Clock High to WAIT Valid Max 14 17 ns tKHQX tKHTX tCLKHQX Clock High to Output Transition Clock High to WAIT Transition Min 3 4 ns tLLKH tADVLCLKH Latch Enable Low to Clock High Min 7 9 ns tKHKH tCLK Clock Period (f=40MHz) Min 25 ns Clock Period (f=47MHz) Min Clock Period (f=54MHz) Min 18.5 ns tKHKL tKLKH Clock High to Clock Low Clock Low to Clock High Min 3.5 5 ns tf tr Clock Fall or Rise Time Max 3 3 ns AI06981 tKHKH tf tr tKHKL tKLKH |
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