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M39208 数据表(PDF) 21 Page - STMicroelectronics |
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M39208 数据表(HTML) 21 Page - STMicroelectronics |
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21 / 30 page ![]() Symbol Alt Parameter M39208 Unit -100 -120 -150 Min Max Min Max Min Max tAVAV tWC Address Valid to Next Address Valid 100 120 150 ns tELWL (2) tCS Chip Enable Low to Write Enable Low 000 ns tWLWH tWP Write Enable Low to Write Enable High 50 50 65 ns tDVWH tDS Input Valid to Write Enable High 50 50 65 ns tWHDX tDH Write Enable High to Input Transition 000 ns tWHEH (2) tCH Write Enable High to Chip Enable High 000 ns tWHWL tWPH Write Enable High to Write Enable Low 30 30 35 ns tAVWL tAS Address Valid to Write Enable Low 000 ns tWLAX tAH Write Enable Low to Address Transition 50 50 65 ns tGHWL Output Enable High to Write Enable Low 000 ns tVCHEL tVCS VCC High to Chip Enable Low 50 50 50 µs tWHQV1 (1) Write Enable High to Output Valid (Program) 888 µs tWHQV2 (1) Write Enable High to Output Valid (Sector Erase) 0.5 30 0.5 30 0.5 30 sec tWHWL0 Time Out between 2 consecutive Section Erase 80 80 80 µs tWHGL tOEH Write Enable High to Output Enable Low 000 ns Notes: 1. Time is measured to Data Polling or Toggle Bit, tWHQV = tWHQ7V + tQ7VQV 2. Chip Enable means (EE, EF) = (VIL, VIH) or (EE, EF) = (VIH, VIL). Table 14. Write AC Characteristics, Write Enable Controlled (TA = 0 to 70 °C or –20 to 85°C or –40 to 85°C; VCC = 2.7 V to 3.6V) 21/30 M39208 |
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