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M28W320FCT 数据表(PDF) 35 Page - STMicroelectronics |
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M28W320FCT 数据表(HTML) 35 Page - STMicroelectronics |
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35 / 69 page ![]() M28W320FCT, M28W320FCB DC and AC parameters 35/69 Figure 8. Read AC Waveforms DQ0-DQ15 AI02688b VALID A0-A20 E tAXQX tAVAV VALID tAVQV tELQV tELQX tGLQV tGLQX ADDR. VALID CHIP ENABLE OUTPUTS ENABLED DATA VALID STANDBY G tGHQX tGHQZ tEHQX tEHQZ Table 16. Read AC Characteristics Symbol Alt Parameter M28W320FCT, M28W320FCB Unit 70 85 90 10 tAVAV tRC Address Valid to Next Address Valid Min 70 85 90 100 ns tAVQV tACC Address Valid to Output Valid Max 70 85 90 100 ns tAXQX (1) tOH Address Transition to Output Transition Min 0 0 0 0 ns tEHQX (1) tOH Chip Enable High to Output Transition Min 0 0 0 0 ns tEHQZ (1) tHZ Chip Enable High to Output Hi-Z Max 20 20 25 30 ns tELQV (2) tCE Chip Enable Low to Output Valid Max 70 85 90 100 ns tELQX (1) tLZ Chip Enable Low to Output Transition Min 0 0 0 0 ns tGHQX (1) tOH Output Enable High to Output Transition Min 0 0 0 0 ns tGHQZ (1) tDF Output Enable High to Output Hi-Z Max 20 20 25 30 ns tGLQV (2) tOE Output Enable Low to Output Valid Max 20 20 30 35 ns tGLQX (1) tOLZ Output Enable Low to Output Transition Min 0 0 0 0 ns 1. Sampled only, not 100% tested. 2. G may be delayed by up to tELQV - tGLQV after the falling edge of E without increasing tELQV. |
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