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M58WR016QT Datasheet(PDF) 69 Page - Numonyx B.V |
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M58WR016QT Datasheet(HTML) 69 Page - Numonyx B.V |
69 / 110 page ![]() M58WR016QT, M58WR016QB, M58WR032QT, M58WR032QB DC and AC parameters 69/110 Table 23. Write AC characteristics, Write Enable controlled(1) 1. Sampled only, not 100% tested. Symbol Alt Parameter M58WRxxxQT/B Unit 60 70 80 tAVAV tWC Address Valid to Next Address Valid Min 60 70 80 ns tAVLH Address Valid to Latch Enable High Min 7 9 9 ns tAVWH (2) 2. Meaningful only if L is always kept low. Address Valid to Write Enable High Min 40 45 50 ns tDVWH tDS Data Valid to Write Enable High Min 40 45 50 ns tELLH Chip Enable Low to Latch Enable High Min 10 10 10 ns tELWL tCS Chip Enable Low to Write Enable Low Min 0 0 0 ns tELQV Chip Enable Low to Output Valid Min 60 70 80 ns tELKV Chip Enable Low to Clock Valid Min 7 9 9 ns tGHWL Output Enable High to Write Enable Low Min 14 17 17 ns tLHAX Latch Enable High to Address Transition Min 799 ns tLLLH Latch Enable Pulse Width Min 7 9 9 ns tWHAV (2) Write Enable High to Address Valid Min 0 0 0 ns tWHAX (2) tAH Write Enable High to Address Transition Min 0 0 0 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 tWHEL (3) 3. tWHEL has this value when reading from the targeted bank or when reading from any address after a Set Configuration Register command has been issued. System designers should take this into account and may insert a software No-Op instruction to delay the first read in the same bank after issuing any command, or to delay the first read to any address after issuing a Set Configuration Register command. If the first read after the command is a Read Array operation in a different bank and no changes to the Configuration Register have been issued, tWHEL is 0ns. Write Enable High to Chip Enable Low Min 20 25 25 ns tWHGL Write Enable High to Output Enable Low Min 000 ns tWHLL Write Enable High to Latch Enable Low Min 0 0 0 ns tWHWL tWPH Write Enable High to Write Enable Low Min 20 25 25 ns tWLWH tWP Write Enable Low to Write Enable High Min 40 45 50 ns tQVVPL Output (Status Register) Valid to VPP Low Min 000 ns tQVWPL Output (Status Register) Valid to Write Protect Low Min 000 ns tVPHWH tVPS VPP High to Write Enable High Min 200 200 200 ns tWHVPL Write Enable High to VPP Low Min 200 200 200 ns tWHWPL Write Enable High to Write Protect Low Min 200 200 200 ns tWPHWH Write Protect High to Write Enable High Min 200 200 200 ns |
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