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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AM29DL800B датащи(PDF) 38 Page - Advanced Micro Devices |
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AM29DL800B датащи(HTML) 38 Page - Advanced Micro Devices |
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38 / 46 page  36 Am29DL800B 21519C4 December 4, 2006 D A TA SH EET AC CHARACTERISTICS Temporary Sector Unprotect Note: Not 100% tested. Parameter All Speed Options JEDEC Std Description Unit tVIDR VID Rise and Fall Time (See Note) Min 500 ns tRSP RESET# Setup Time for Temporary Sector Unprotect Min 4 µs tRRB RESET# Hold Time from RY/BY# High for Temporary Sector Unprotect Min 4 µs RESET# tVIDR 12 V 0 V or 3 V CE# WE# RY/BY# tVIDR tRSP Program or Erase Command Sequence 0 V or 3 V tRRB Figure 23. Temporary Sector Unprotect Timing Diagram Sector Protect: 150 µs Sector Unprotect: 15 ms 1 µs RESET# SA, A6, A1, A0 Data CE# WE# OE# 60h 60h 40h Valid* Valid* Valid* Status Sector Protect/Unprotect Verify VID VIH * For sector protect, A6 = 0, A1 = 1, A0 = 0. For sector unprotect, A6 = 1, A1 = 1, A0 = 0. Figure 24. Sector Protect/Unprotect Timing Diagram |
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