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AM29F040B 数据表(PDF) 22 Page - Advanced Micro Devices |
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AM29F040B 数据表(HTML) 22 Page - Advanced Micro Devices |
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22 / 30 page ![]() 22 Am29F040B P R E L I M I NARY OE# WE# CE# VCC Data Addresses tDS tAH tDH tWP PD tWHWH1 tWC tAS tWPH tVCS 555h PA PA Read Status Data (last two cycles) A0h tGHWL tCS Status DOUT Program Command Sequence (last two cycles) tCH PA Note: PA = program address, PD = program data, DOUT is the true data at the program address. 21445B-14 Figure 9. Program Operation Timings OE# CE# Addresses VCC WE# Data 2AAh SA tGHWL tAH tWP tWC tAS tWPH 555h for chip erase 10 for Chip Erase 30h tDS tVCS tCS tDH 55h tCH In Progress Complete tWHWH2 VA VA Erase Command Sequence (last two cycles) Read Status Data Note: SA = Sector Address. VA = Valid Address for reading status data. 21445B-15 Figure 10. Chip/Sector Erase Operation Timings |
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