6 AC Read CharacteristicsTable 6-2. AC Read CharacteristicsParameterSymbolAT28BV256‑20UnitsMin.Max.Address to Output DelaytACC—200nsCE to Output DelaytCE(1)—200nsOE to Output DelaytOE(2)080nsCE or OE to Output FloattDF(3, 4)055ns Output Hold from OE, CE or Address, whichever occurred first tOH0—ns