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S29AS016J датащи(PDF) 53 Page - SPANSION |
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S29AS016J датащи(HTML) 53 Page - SPANSION |
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53 / 60 page ![]() February 1, 2012 S29AS016J_00_11 S29AS016J 53 Data She e t 18.6 Alternate CE# Controlled Erase/Program Operations Notes 1. Not 100% tested. 2. See Erase and Programming Performance on page 54 for more information. Figure 18.12 Alternate CE# Controlled Write Operation Timings Notes 1. PA = program address, PD = program data, DQ7# = complement of the data written to the device, DOUT = data written to the device. 2. Figure indicates the last two bus cycles of the command sequence. 3. Word mode address used as an example. Parameter Speed Options JEDEC Std Description 70 Unit tAVAV tWC Write Cycle Time (Note 1) Min 70 ns tAVEL tAS Address Setup Time Min 0 ns tELAX tAH Address Hold Time Min 45 ns tDVEH tDS Data Setup Time Min 35 ns tEHDX tDH Data Hold Time Min 0 ns tOES Output Enable Setup Time Min 0 ns tGHEL tGHEL 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 35 ns tEHEL tCPH CE# Pulse Width High Min 20 ns tSR/W Latency Between Read and Write Operations Min 20 ns tWHWH1 tWHWH1 Programming Operation (Note 2) Byte Typ 6 µs Word Typ 6 tWHWH2 tWHWH2 Sector Erase Operation (Note 2) Typ 0.5 sec tGHEL tWS OE# CE# WE# RESET# tDS Data tAH Addresses tDH tCP DQ7# DOUT tWC tAS tCPH PA Data# Polling A0 for program 55 for erase tRH tWHWH1 or 2 RY/BY# tWH PD for program 30 for sector erase 10 for chip erase 555 for program 2AA for erase PA for program SA for sector erase 555 for chip erase tBUSY |
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