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M29DW641F Datasheet(PDF) 54 Page - Numonyx B.V |
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M29DW641F Datasheet(HTML) 54 Page - Numonyx B.V |
54 / 80 page DC and AC parameters M29DW641F 54/80 Figure 15. Toggle and alternative toggle bits mechanism, Chip Enable controlled 1. The Toggle bit is output on DQ6. 2. The Alternative Toggle bit is output on DQ2. 3. Refer to Table 20: Read AC characteristics for the value of tELQV. Table 22. Write AC characteristics, Chip Enable controlled Symbol Alt Parameter 60 70 Unit tAVAV tWC Address Valid to Next Address Valid Min 60 70 ns tAVEL tAS Address Valid to Chip Enable Low Min 0 0 ns tDVEH tDS Input Valid to Chip Enable High Min 45 45 ns tELEH tCP Chip Enable Low to Chip Enable High Min 45 45 ns tEHDX tDH Chip Enable High to Input Transition Min 0 0 ns tEHWH tWH Chip Enable High to Write Enable High Min 0 0 ns tEHEL tCPH Chip Enable High to Chip Enable Low Min 30 30 ns tELAX tAH Chip Enable Low to Address Transition Min 45 45 ns tEHGL tOEH Chip Enable High to Output Enable Low Min 0 0 ns tEHRL (1) tBUSY Program/Erase Valid to RB Low Max 30 30 ns tGHEL Output Enable High Chip Enable Low Min 0 0 ns tVCHWL tVCS VCC High to Write Enable Low Min 50 50 µs tWLEL tWS Write Enable Low to Chip Enable Low Min 0 0 ns 1. Sampled only, not 100% tested. AI11302 G A0-A21 DQ2(1)/DQ6(2) E tAXEL tELQV Data Data Toggle/ Alternative Toggle Bit tELQV Address in the Bank Being Programmed or Erased Read Operation outside the Bank Being Programmed or Erased Address Outside the Bank Being Programmed or Erased Address Outside the Bank Being Programmed or Erased Toggle/ Alternative Toggle Bit Read Operation Outside the Bank Being Programmed or Erased Read Operation in the Bank Being Programmed or Erased |
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