MEMORY DATABOOK - Al Kossow's Bitsavers

• DYNAMIC RAM· MSM414256RS .-----------------DC CHARACTERISTICS(VCC = 5V ±10%, Ta = 0 to +70°C)Parameter Symbol ConditionsMSM MSM414256-10 414256-12MIN MAX MIN MAXUnit NoteOutput high voltage VOH 10H =-5.0 mA 2.4 - 2.4 - VOutput low voltage VOL 10L =4.2 mA - -0.4 - 0.4 VOV ;;;; VI ;;;; 6.5V;Input leakage current III all other pins not -10 10 -10 10 JJ.Aunder test = OVOutput leakage currentILO00UT disableOV;;;; VO ;;;;5.5V-10 10 -10 10 JJ.AAverage power supplycurrent" (Operating)ICC1RAS, CAS cycling,tRC =min- 75 - 70 mAPower supply current"(Standby)ICC2RAS =VIHCAS=VIH- 5 - 5 mAAverage power supplyRAS cycling,current" ICC3 CAS=VIH - 65 - 60 mA(RAS only refresh)tRC = minAverage power supplyRAS=VIL,current" ICC4 CAS cycling - 70 - 65 mA(Page mode)tpc =minAverage power supplycurrent"(CAS before RAS refresh)ICC5RAScycling,CAS before RAS- 70 - 65 mA*Note: ICC is dependent on output loading and cycle rates. Specified values are obtained with theoutput open.CAPACITANCE(Ta = 25°C, f = 1 MHz)Parameter Symbol Conditions TYP MAX UnitInput capacitance (AO to A8) CIN1 - - 5 pFInput capacitance(RAS, CAS, WE, DE)CIN2 - - 10 pF1/0 capacitance (001 to 004) C - - 7 pF180