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M58WR032EB 数据表(PDF) 49 Page - STMicroelectronics |
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M58WR032EB 数据表(HTML) 49 Page - STMicroelectronics |
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49 / 81 page  49/81 M58WR032ET, M58WR032EB Figure 17. Reset and Power-up AC Waveforms Table 24. Reset and Power-up AC Characteristics Note: 1. The device Reset is possible but not guaranteed if tPLPH < 50ns. 2. Sampled only, not 100% tested. 3. It is important to assert RP in order to allow proper CPU initialization during Power-Up or Reset. Symbol Parameter Test Condition 70 80 100 Unit tPLWL tPLEL tPLGL tPLLL Reset Low to Write Enable Low, Chip Enable Low, Output Enable Low, Latch Enable Low During Program Min 10 10 10 µs During Erase Min 20 20 20 µs Other Conditions Min 80 80 80 ns tPHWL tPHEL tPHGL tPHLL Reset High to Write Enable Low Chip Enable Low Output Enable Low Latch Enable Low Min 303030 ns tPLPH (1,2) RP Pulse Width Min 50 50 50 ns tVDHPH (3) Supply Voltages High to Reset High Min 505050 µs AI06976 W, RP E, G, VDD, VDDQ tVDHPH tPLPH Power-Up Reset tPLWL tPLEL tPLGL tPLLL L tPHWL tPHEL tPHGL tPHLL |
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