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D640D90VF 数据表(PDF) 40 Page - Advanced Micro Devices |
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D640D90VF 数据表(HTML) 40 Page - Advanced Micro Devices |
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40 / 54 page ![]() 38 Am29DL640D December 13, 2005 AC CHARACTERISTICS Word/Byte Configuration (BYTE#) Parameter Speed Options JEDEC Std Description 90 120 Unit t ELFL/tELFH CE# to BYTE# Switching Low or High Max 5 ns t FLQZ BYTE# Switching Low to Output HIGH Z Max 30 30 ns t FHQV BYTE# Switching High to Output Active Min 90 120 ns DQ15 Output Data Output (DQ0–DQ7) CE# OE# BYTE# t ELFL DQ0–DQ14 Data Output (DQ0–DQ14) DQ15/A-1 Address Input t FLQZ BYTE# Switching from word to byte mode DQ15 Output Data Output (DQ0–DQ7) BYTE# t ELFH DQ0–DQ14 Data Output (DQ0–DQ14) DQ15/A-1 Address Input t FHQV BYTE# Switching from byte to word mode Figure 16. BYTE# Timings for Read Operations Note: Refer to the Erase/Program Operations table for t AS and tAH specifications. Figure 17. BYTE# Timings for Write Operations CE# WE# BYTE# The falling edge of the last WE# signal t HOLD (tAH) t SET (t AS) |
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