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M58LR128KB 数据表(PDF) 72 Page - Numonyx B.V |
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M58LR128KB 数据表(HTML) 72 Page - Numonyx B.V |
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72 / 110 page  DC and AC parameters M58LR128KT, M58LR128KB, M58LR256KT, M58LR256KB 72/111 Figure 17. Reset and power-up AC waveforms AI06976 W, RP E, G, VDD, VDDQ tVDHPH tPLPH Power-Up Reset tPLWL tPLEL tPLGL tPLLL L tPHWL tPHEL tPHGL tPHLL Table 28. Reset and power-up AC characteristics Symbol Parameter Test condition M58LRxxxKT/B Unit tPLWL tPLEL tPLGL tPLLL Reset Low to Write Enable Low Reset Low to Chip Enable Low, Reset Low to Output Enable Low, Reset Low to Latch Enable Low During program Min 25 µs During erase Min 25 µs Other conditions Min 80 ns tPHWL tPHEL tPHGL tPHLL Reset High to Write Enable Low Reset High to Chip Enable Low Reset High to Output Enable Low Reset High to Latch Enable Low Min 30 ns tPLPH (1),(2) RP pulse width Min 50 ns tVDHPH (3) Supply voltages High to Reset High Min 300 µs 1. The device Reset is possible but not guaranteed if tPLPH < 50 ns. 2. Sampled only, not 100% tested. 3. It is important to assert RP to allow proper CPU initialization during power-up or Reset. |
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