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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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M58WR064B датащи(PDF) 47 Page - STMicroelectronics |
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M58WR064B датащи(HTML) 47 Page - STMicroelectronics |
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47 / 81 page  47/81 M58WR064T, M58WR064B 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 the read operation is in a different bank tWHEL is 0ns. 3. To be characterized. Symbol Alt Parameter M58WR064 Unit 70 85 100 tAVAV tWC Address Valid to Next Address Valid Min 70(3) 85 100 ns tAVLH Address Valid to Latch Enable High Min 10 10 10 ns tAVWH tWC Address Valid to Write Enable High Min 45(3) 60 60 ns tDVWH tDS Input Valid to Write Enable High Min 45(3) 60 60 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 Latch Enable Low to Output Valid Min 70(3) 85 100 ns tGHWL Output Enable High to Write Enable Low Min 20 20 20 ns tLHAX Latch Enable High to Address Transition Min 9 9 9 ns tLLLH Latch Enable Pulse Width Min 10 10 10 ns tWHAV Write Enable High to Address Valid Min 0 0 0 ns tWHAX 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 40(3) 50 50 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 tWHKV Write Enable High to Clock Valid Min 25 25 25 ns tWHWL tWPH Write Enable High to Write Enable Low Min 25 25 25 ns tWHQV Write Enable High to Output Valid Min 110(3) 125 140 ns tWLWH tWP Write Enable Low to Write Enable High Min 45(3) 60 60 ns tQVVPL Output (Status Register) Valid to VPP Low Min 0 0 0 ns tQVWPL Output (Status Register) Valid to VPP 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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