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MB90330A Datasheet(PDF) 106 Page - Fujitsu Component Limited. |
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MB90330A Datasheet(HTML) 106 Page - Fujitsu Component Limited. |
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106 / 120 page  MB90330A Series 106 (11) Bus write timing (VCC = AVCC = 3.3 V ± 0.3 V, VSS = AVSS = 0.0 V, TA = 0 °C to + 70 °C) Note : tCP : Refer to “ (1) Clock input timing”. Parameter Symbol Pin name Conditions Value Unit Remarks Min Max Valid address →WR↓ time tAVWL Address, WR ⎯ tCP − 15 ⎯ ns WR pulse width tWLWH WRL, WRH ⎯ 3 tCP /2 − 25 ⎯ ns At fcp = 24 MHz ⎯ 3 tCP /2 − 20 ⎯ ns At fcp = 12 MHz Valid data output →WR↑ time tDVWH Data, WR ⎯ 3 tCP /2 − 15 ⎯ ns WR ↑→data hold time tWHDX WR, Data ⎯ 10 ⎯ ns At fcp = 24 MHz ⎯ 20 ⎯ ns At fcp = 12 MHz ⎯ 30 ⎯ ns At fcp = 6 MHz WR ↑→address valid time tWHAX WR, Address ⎯ tCP /2 − 10 ⎯ ns WR ↑→ALE↑time tWHLH WR, ALE ⎯ tCP /2 − 15 ⎯ ns WR ↓→CLK↑time tWLCH WR, CLK ⎯ tCP /2 − 17 ⎯ ns WR (WRL, WRH) 0.8 V 0.8 V 2.4 V 2.4 V 2.4 V 2.4 V 0.8 V 2.4 V 0.8 V 2.4 V CLK ALE A23 to A16 AD15 to AD00 tWHLH tAVWL tDVWH tDVWH tWLWH tWHAX tWHDX tWLCH 0.8 V 2.4 V 0.8 V 2.4 V A23 to A00 D15 to D00 tWHAX tWHDX 0.8 V 2.4 V 0.8 V 2.4 V 0.8 V 2.4 V 0.8 V 2.4 V Address Write data Write data In multiplex mode In non-multiplex mode |
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