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L640DU21NF Folha de dados(PDF) 48 Page - Advanced Micro Devices |
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L640DU21NF Folha de dados(HTML) 48 Page - Advanced Micro Devices |
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48 / 57 page ![]() 46 Am29LV640D/Am29LV641D 22366C6 January 22, 2007 D A TA SH EET 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 90R 120R, 121R Unit tAVAV tWC Write Cycle Time (Note 1) Min 90 120 ns tAVWL tAS Address Setup Time Min 0 ns tELAX tAH Address Hold Time Min 45 50 ns tDVEH tDS Data Setup Time Min 45 50 ns tEHDX tDH Data Hold Time Min 0 ns tGHEL tGHEL Read Recovery Time Before Write (OE# High to WE# Low) Min 0 ns t WLEL t WS WE# Setup Time Min 0 ns t EHWH t WH WE# Hold Time Min 0 ns t ELEH t CP CE# Pulse Width Min 45 50 ns t EHEL t CPH CE# Pulse Width High Min 30 ns t WHWH1 t WHWH1 Word Programming Operation (Note 2) Typ 11 µs t WHWH1 t WHWH1 Accelerated Word Programming Operation (Note 2) Typ 7 µs t WHWH2 t WHWH2 Sector Erase Operation (Note 2)Typ 0.9 sec |
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