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MB85R4M2TFN-G Datasheet(PDF) 9 Page - Fujitsu Component Limited. |
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MB85R4M2TFN-G Datasheet(HTML) 9 Page - Fujitsu Component Limited. |
9 / 23 page DS501-00024-4v0-E 9 MB85R4M2T (2) Write Cycle Parameter Symbol Value (VDD=1.8V to 2.7V) Value (VDD=2.7V to 3.6V) Unit Min Max Min Max Write Cycle Time tWC 185 ― 150 ― ns /CE Active Time tCA 95 ― 75 ― ns /CE↓ to /WE↑ Time tCW 95 ― 75 ― ns Pre-charge Time tPC 90 ― 75 ― ns Write Pulse Width tWP 20 ― 20 ― ns Address Setup Time tAS 0 ― 0 ― ns Address Hold Time tAH 95 ― 75 ― ns /WE↓ to /CE↑ Time tWLC 20 ― 20 ― ns Address Transition to /WE↑ Time tAWH 185 ― 150 ― ns /WE↑ to Address Transition Time tWHA 0 ― 0 ― ns /LB, /UB Setup Time tBS 2 ― 2 ― ns /LB, /UB Hold Time tBH 0 ― 0 ― ns Data Setup Time tDS 10 ― 10 ― ns Data Hold Time tDH 0 ― 0 ― ns /WE Output Floating Time tWZ ― 10 ― 10 ns /WE Output Access Time*1 tWX 10 ― 10 ― ns Write Setup Time*1 tWS 0 ― 0 ― ns Write Hold Time*1 tWH 0 ― 0 ― ns *1: Writing operation applies “Write Cycle Timing 1” or “Write Cycle Timing 2” by the relation of /CE and /WE timing. The values of tWX, tWS and tWH are defined by these operations. The conditions of tWS and tWH are not checked at shipping test. (3) Power ON/OFF Sequence and Sleep Mode Cycle Parameter Symbol Value Unit Min Max /CE level hold time for Power ON tPU 450 ― μs /CE level hold time for Power OFF tPD 85 ― ns Power supply rising time tVR 50 ― μs/V Power supply falling time tVF 100 ― μs/V /ZZ active time tZZL 1 ― μs Sleep mode enable time tZZEN ― 0 μs /CE level hold time for Sleep mode release tZZEX 450 ― μs |
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