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M28W640HCT Datasheet(PDF) 35 Page - Numonyx B.V |
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M28W640HCT Datasheet(HTML) 35 Page - Numonyx B.V |
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35 / 72 page ![]() M28W640HCT, M28W640HCB DC and AC parameters 35/72 Figure 8. Read AC waveforms Table 16. Read AC characteristics Symbol Alt Parameter M28W640HCT, M28W640HCB 70 ns Unit tAVAV tRC Address valid to Next Address Valid Min 70 ns tAVQV tACC Address valid to Random Output Valid Max 70 ns tAXQX (1) 1. Sampled only, not 100% tested. tOH Address Transition to Output Transition Min 0 ns tEHQX (1) tOH Chip Enable High to Output Transition Min 0 ns tEHQZ (1) tHZ Chip Enable High to Output Hi-Z Max 20 ns tELQV (2) 2. G may be delayed by up to tELQV - tGLQV after the falling edge of E without increasing tELQV. tCE Chip Enable Low to Output Valid Max 70 ns tELQX (1) tLZ Chip Enable Low to Output Transition Min 0 ns tGHQX (1) tOH Output Enable High to Output Transition Min 0 ns tGHQZ (1) tDF Output Enable High to Output Hi-Z Max 20 ns tGLQV (2) tOE Output Enable Low to Output Valid Max 20 ns tGLQX (1) tOLZ Output Enable Low to Output Transition Min 0 ns tAVQV1 tPAGE Page address Valid to Page Output Valid Max 25 ns tAXQX1 tOH Address Transition to Page Output Transition Min 0 ns DQ0- DQ15 AI04387 VALID A0-A21 E tAXQX tAVAV VALID tAVQV tELQV tELQX tGLQV tGLQX ADDR. VALID CHIP ENABLE OUTPUTS ENABLED DATA VALID STANDBY G tGHQX tGHQZ tEHQX tEHQZ |
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