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AM29F004B 数据表(PDF) 28 Page - Advanced Micro Devices |
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AM29F004B 数据表(HTML) 28 Page - Advanced Micro Devices |
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28 / 37 page ![]() 26 Am29F004B 8/5/05 AD VA NC E IN FO RM AT ION AC CHARACTERISTICS Figure 11. Program Operation Timings 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 tCS Status DOUT Program Command Sequence (last two cycles) tCH PA Notes: 1. PA = program address, PD = program data, DOUT is the true data at the program address. OE# CE# Addresses VCC WE# Data 2AAh SA 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 Notes: 1. SA = sector address (for Sector Erase), VA = Valid Address for reading status data (”see Write Operation Status on page 17). Figure 12. Chip/Sector Erase Operation Timings |
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