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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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M29W040B 数据表(PDF) 14 Page - STMicroelectronics |
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M29W040B 数据表(HTML) 14 Page - STMicroelectronics |
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14 / 20 page  M29W040B 14/20 Table 13. Write AC Characteristics, Chip Enable Controlled (TA = 0 to 70°C or –40 to 85°C) Symbol Alt Parameter M29W040B Unit 55 70 90 / 120 tAVAV tWC Address Valid to Next Address Valid Min 55 70 90 ns tWLEL tWS Write Enable Low to Chip Enable Low Min 0 0 0 ns tELEH tCP Chip Enable Low to Chip Enable High Min 40 45 45 ns tDVEH tDS Input Valid to Chip Enable High Min 25 30 45 ns tEHDX tDH Chip Enable High to Input Transition Min 0 0 0 ns tEHWH tWH Chip Enable High to Write Enable High Min 0 0 0 ns tEHEL tCPH Chip Enable High to Chip Enable Low Min 30 30 30 ns tAVEL tAS Address Valid to Chip Enable Low Min 0 0 0 ns tELAX tAH Chip Enable Low to Address Transition Min 40 45 45 ns tGHEL Output Enable High Chip Enable Low Min 0 0 0 ns tEHGL tOEH Chip Enable High to Output Enable Low Min 0 0 0 ns tVCHWL tVCS VCC High to Write Enable Low Min 505050 µs Figure 10. Write AC Waveforms, Chip Enable Controlled AI02909 E G W A0-A18 DQ0-DQ7 VALID VALID VCC tVCHWL tEHWH tEHEL tWLEL tAVEL tEHGL tELAX tEHDX tAVAV tDVEH tELEH tGHEL |
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