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M58LR128KB 数据表(PDF) 67 Page - Numonyx B.V |
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M58LR128KB 数据表(HTML) 67 Page - Numonyx B.V |
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67 / 110 page ![]() M58LR128KT, M58LR128KB, M58LR256KT, M58LR256KB DC and AC parameters 67/111 Figure 14. Clock input AC waveform Table 25. Synchronous read AC characteristics(1) (2) 1. Sampled only, not 100% tested. 2. For other timings please refer to Table 24: Asynchronous read AC characteristics. Symbol Alt Parameter M58LRxxxKT/B Unit 70 85 tAVKH tAVCLKH Address Valid to Clock High Min 7 7 ns tELKH tELCLKH Chip Enable Low to Clock High Min 7 7 ns tELTV Chip Enable Low to Wait Valid Max 14 14 ns tEHEL Chip Enable Pulse Width (subsequent synchronous reads) Min 14 14 ns tEHTZ Chip Enable High to Wait Hi-Z Max 14 14 ns tKHAX tCLKHAX Clock High to Address Transition Min 7 7 ns tKHQV tKHTV tCLKHQV Clock High to Output Valid Clock High to WAIT Valid Max 11 14 ns tKHQX tKHTX tCLKHQX Clock High to Output Transition Clock High to WAIT Transition Min 3 3 ns tLLKH tADVLCLKH Latch Enable Low to Clock High Min 7 7 ns tKHKH tCLK Clock Period (f = 54 MHz) Min 18.5 ns Clock Period (f = 66 MHz) 15 ns tKHKL tKLKH Clock High to Clock Low Clock Low to Clock High Min 4.5 4.5 ns tf tr Clock Fall or Rise Time Max 3 3 ns AI06981 tKHKH tf tr tKHKL tKLKH |
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