80 ― ns FR Delay Time td ― 0 90 ns CDATA Set−up Time CSU ― 450 850 ns CDATA Hold Time CHD ― 450 950 ns 30 2002-01-07 T6963C ● Switching Characteristics (2) Bus Timing Test Conditions (Unless Otherwise Noted, V DD = 5.0 V ± 10%, V SS = 0 V, Ta = −20 to 75°C) Item Symbol Test Conditions Min Max Unit C / D Set−up Time CDS ― 100 ― ns C / D Hold Time CDH ― 10 ― ns CE , RD , WR Pulse Width tCE RD WRt ― 80 ― ns Data Set−up Time tDS ― 80 ― ns Data Hold Time t
