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M58LT128GS датащи(PDF) 64 Page - STMicroelectronics |
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M58LT128GS датащи(HTML) 64 Page - STMicroelectronics |
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64 / 98 page ![]() 11 DC and AC parameters M58LT128GST, M58LT128GSB 64/98 Table 25. Write AC Characteristics, Chip Enable Controlled Symbol Alt Parameter(1) 1. Sampled only, not 100% tested. M58LT128GST, M58LT128GSB Unit 110 tAVAV tWC Address Valid to Next Address Valid Min 110 ns tAVEH Address Valid to Chip Enable High Min 50 ns tAVLH Address Valid to Latch Enable High Min 11 ns tDVEH tDS Data Valid to Chip Enable High Min 50 ns tEHAX tAH Chip Enable High to Address Transition Min 0 ns tEHDX tDH Chip Enable High to Input Transition Min 0 ns tEHEL tWPH Chip Enable High to Chip Enable Low Min 25 ns tEHGL Chip Enable High to Output Enable Low Min 0 ns tEHWH tCH Chip Enable High to Write Enable High Min 0 ns tELKV Chip Enable Low to Clock Valid Min 7 ns tELEH tWP Chip Enable Low to Chip Enable High Min 50 ns tELLH Chip Enable Low to Latch Enable High Min 11 ns tELQV Chip Enable Low to Output Valid Min 110 ns tGHEL Output Enable High to Chip Enable Low Min 17 ns tLHAX Latch Enable High to Address Transition Min 9 ns tLLLH Latch Enable Pulse Width Min 11 ns tWHEL (2) 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. Write Enable High to Chip Enable Low Min 25 ns tWLEL tCS Write Enable Low to Chip Enable Low Min 0 ns tEHVPL Chip Enable High to VPP Low Min 200 ns tQVVPL Output (Status Register) Valid to VPP Low Min 0 ns tVPHEH tVPS VPP High to Chip Enable High Min 200 ns |
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