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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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M58PR256LE 数据表(PDF) 78 Page - STMicroelectronics |
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M58PR256LE 数据表(HTML) 78 Page - STMicroelectronics |
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78 / 119 page  DC and AC parameters M58PR256LE, M58PR512LE, M58PR001LE 78/119 1. Sampled only, not 100% tested. 2. For other timings please refer to Table 29: Asynchronous read AC characteristics. Table 30. Synchronous read AC characteristics Symbol Alt Parameter 108 MHz 66 MHz Unit tAVKH tAVCLKH Address Valid to Clock High Min 5 5 ns tELKH tELCLKH Chip Enable Low to Clock High Min 5 5 ns tEHEL Chip Enable Pulse width (subsequent synchronous reads) Min 9 11 ns tEHTZ Chip Enable High to Wait Hi-Z Max 9 11 ns tKHAX tCLKHAX Clock High to Address transition Min 5 5 ns tKHQV tKHTV tCLKHQV Clock High to Output Valid Clock High to WAIT Valid Max 7 11 ns tKHQX tKHTX tCLKHQX Clock High to Output transition Clock High to WAIT transition Min 2 3 ns tLLKH tADVLCLKH Latch Enable Low to Clock High Min 5 5 ns tLLTV Latch Enable Low to WAIT Valid Max 14 14 ns tKHKH tCLK Clock period (f=66 MHz) Min 15 ns Clock period (f=108 MHz) Min 9 ns tKHKL tKLKH Clock High to Clock Low Clock Low to Clock High Min 2.5 3.5 ns tf tr Clock fall or rise time Min 0.3 - ns Max 2 3 ns |
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