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D640D90VF 数据表(PDF) 49 Page - Advanced Micro Devices |
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D640D90VF 数据表(HTML) 49 Page - Advanced Micro Devices |
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49 / 54 page ![]() December 13, 2005 Am29DL640D 47 AC CHARACTERISTICS 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 Notes: 1. Figure indicates last two bus cycles of a program or erase operation. 2. PA = program address, SA = sector address, PD = program data. 3. DQ7# is the complement of the data written to the device. D OUT is the data written to the device. 4. Waveforms are for the word mode. Figure 27. Alternate CE# Controlled Write (Erase/Program) Operation Timings |
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