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AM29DL640H55WHEN 数据表(PDF) 48 Page - Advanced Micro Devices |
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AM29DL640H55WHEN 数据表(HTML) 48 Page - Advanced Micro Devices |
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48 / 54 page ![]() 46 Am29DL640H February 9, 2005 AC CHARACTERISTICS Alternate CE# Controlled Erase and Program Operations Notes: 1. Not 100% tested. 2. See the “Erase And Programming Performance” section for more information. Parameter Speed Options JEDEC Std. Description 55 60 70 90 Unit t AVAV t WC Write Cycle Time (Note 1) Min 55 55 70 90 ns t AVWL t AS Address Setup Time Min 0 ns tELAX tAH Address Hold Time Min 30 35 40 45 ns tDVEH tDS Data Setup Time Min 30 35 40 45 ns tEHDX tDH Data Hold Time Min 0 ns t GHEL t GHEL Read Recovery Time Before Write (OE# High to WE# Low) Min 0 ns tWLEL tWS WE# Setup Time Min 0 ns tEHWH tWH WE# Hold Time Min 0 ns tELEH tCP CE# Pulse Width Min 25 25 40 45 ns tEHEL tCPH CE# Pulse Width High Min 25 25 30 ns tWHWH1 tWHWH1 Programming Operation (Note 2) Byte Typ 5 µs Word Typ 7 tWHWH1 tWHWH1 Accelerated Programming Operation, Word or Byte (Note 2) Typ 4 µs t WHWH2 t WHWH2 Sector Erase Operation (Note 2) Typ 0.4 sec |
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