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M29W040B 数据表(PDF) 13 Page - STMicroelectronics |
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M29W040B 数据表(HTML) 13 Page - STMicroelectronics |
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13 / 20 page ![]() 13/20 M29W040B Figure 9. Write AC Waveforms, Write Enable Controlled AI02908 E G W A0-A18 DQ0-DQ7 VALID VALID VCC tVCHEL tWHEH tWHWL tELWL tAVWL tWHGL tWLAX tWHDX tAVAV tDVWH tWLWH tGHWL Table 12. Write AC Characteristics, Write 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 tELWL tCS Chip Enable Low to Write Enable Low Min 0 0 0 ns tWLWH tWP Write Enable Low to Write Enable High Min 40 45 45 ns tDVWH tDS Input Valid to Write Enable High Min 25 30 45 ns tWHDX tDH Write Enable High to Input Transition Min 0 0 0 ns tWHEH tCH Write Enable High to Chip Enable High Min 0 0 0 ns tWHWL tWPH Write Enable High to Write Enable Low Min 30 30 30 ns tAVWL tAS Address Valid to Write Enable Low Min 0 0 0 ns tWLAX tAH Write Enable Low to Address Transition Min 40 45 45 ns tGHWL Output Enable High to Write Enable Low Min 0 0 0 ns tWHGL tOEH Write Enable High to Output Enable Low Min 0 0 0 ns tVCHEL tVCS VCC High to Chip Enable Low Min 505050 µs |
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