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M58WR032EB 数据表(PDF) 46 Page - STMicroelectronics |
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M58WR032EB 数据表(HTML) 46 Page - STMicroelectronics |
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46 / 81 page  M58WR032ET, M58WR032EB 46/81 Table 22. Write AC Characteristics, Write Enable Controlled Note: 1. Sampled only, not 100% tested. 2. tWHEL has the values shown when reading in the targeted bank. 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 a command. If it is a Read Array operation in a different bank tWHEL is 0ns. 3. Meaningful only if L is always kept low. Symbol Alt Parameter M58WR032E Unit 70 80 100 tAVAV tWC Address Valid to Next Address Valid Min 70 80 100 ns tAVLH Address Valid to Latch Enable High Min 9 9 10 ns tAVWH (3) tWC Address Valid to Write Enable High Min 45 50 50 ns tDVWH tDS Data Valid to Write Enable High Min 45 50 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 70 80 100 ns tELKV Chip Enable High to Clock Valid Min 9 9 9 ns tGHWL Output Enable High to Write Enable Low Min 17 17 20 ns tLHAX Latch Enable High to Address Transition Min 9 9 10 ns tLLLH Latch Enable Pulse Width Min 9 9 10 ns tWHAV (3) Write Enable High to Address Valid Min 0 0 0 ns tWHAX (3) 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 (2) Write Enable High to Chip Enable Low Min 25 25 25 ns tWHGL Write Enable High to Output Enable Low Min 0 0 0 ns tWHLL Write Enable High to Latch Enable Low Min 0 0 0 ns tWHWL tWPH Write Enable High to Write Enable Low Min 25 25 25 ns tWHQV Write Enable High to Output Valid Min 95 105 125 ns tWLWH tWP Write Enable Low to Write Enable High Min 45 50 50 ns tQVVPL Output (Status Register) Valid to VPP Low Min 0 0 0 ns tQVWPL Output (Status Register) Valid to Write Protect Low Min 0 0 0 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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