MB90F543 データシートの表示（PDF） - Fujitsu
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MB90F543 Datasheet PDF : 67 Pages
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MB90540/540G/545/545G Series
(7) Ready Input Timing
(MB90F543/F549 : VCC = 4.5 V to 5.5 V, VSS = 0.0 V, TA = −40 °C to +85 °C)
(MB90543G(S)/547G(S)/548G(S)/F548GL(S): VCC = 3.5 V to 5.5 V, VSS = AVSS = 0.0 V, TA = −40 °C to +105 °C)
(Other than MB90F543/F549/543G(S)/547G(S)/548G(S)/F548GL(S):
VCC = 5.0 V ± 10%, VSS = AVSS = 0.0 V, TA = −40 °C to +105 °C)
Parameter
Symbol Pin name Condition
Value
Units Remarks
Min
Max
RDY setup time
RDY hold time
tRYHS
RDY
45
ns
tRYHH
RDY
0
ns
Note : If the RDY setup time is insufficient, use the auto-ready function.
• Ready Input Timing
CLK
2.4 V
ALE
RD/WR
RDY
no WAIT is used.
RDY
When WAIT is used
(1 cycle).
tRYHS
0.8 VCC
tRYHH
0.8 VCC
0.2 VCC
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