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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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M28W320ECT 数据表(PDF) 28 Page - STMicroelectronics |
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M28W320ECT 数据表(HTML) 28 Page - STMicroelectronics |
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28 / 53 page  M28W320ECT, M28W320ECB 28/53 Table 18. Write AC Characteristics, Chip Enable Controlled Note: 1. Sampled only, not 100% tested. 2. Applicable if VPP is seen as a logic input (VPP < 3.6V). Symbol Alt Parameter M28W320EC Unit 70 85 90 10 tAVAV tWC Write Cycle Time Min 70 85 90 100 ns tAVEH tAS Address Valid to Chip Enable High Min 45 45 50 50 ns tDVEH tDS Data Valid to Chip Enable High Min 45 45 50 50 ns tEHAX tAH Chip Enable High to Address Transition Min 0 0 0 0 ns tEHDX tDH Chip Enable High to Data Transition Min 0 0 0 0 ns tEHEL tCPH Chip Enable High to Chip Enable Low Min 25 25 30 30 ns tEHGL Chip Enable High to Output Enable Low Min 25 25 30 30 ns tEHWH tWH Chip Enable High to Write Enable High Min 0 0 0 0 ns tELEH tCP Chip Enable Low to Chip Enable High Min 45 45 50 50 ns tELQV Chip Enable Low to Output Valid Min 70 85 90 100 ns tQVVPL (1,2) Output Valid to VPP Low Min 0 0 0 0 ns tQVWPL Data Valid to Write Protect Low Min 0 0 0 0 ns tVPHEH (1) tVPS VPP High to Chip Enable High Min 200 200 200 200 ns tWLEL tCS Write Enable Low to Chip Enable Low Min 0 0 0 0 ns tWPHEH Write Protect High to Chip Enable High Min 45 45 50 50 ns |
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