1 - Al Kossow's Bitsavers

TMS446465,536·WORD BY 4·BIT DYNAMIC RAMelectrical characteristics over full ranges of recommended operating conditions (unless otherwise noted)PARAMETERTEST CONDITIONSTMS4464-10TMS4464-12MIN TVpt MAX MIN TVpt MAXVOH High-level output voltage 10H = -5 mA 2.4 2.4 VVOL Low-level output voltage 10L = 4.2 mA 0.4 0.4 VIIInput current (leakage)VI=O V to 5.8 V, VOO=5 V,All other pins = 0 V to 5.8 VVa = 0 V to 5.5 V,UNIT±10 ±10 p,A10 Output current (leakage) VOO = 5 V, ' ±10 ±10 p,A1001Average operating currentduring read or write cycle1002 Standby currentCAS hightc = minimum cycle 80 TBO 70 TBO mAAfter 1 memory cycle,RAS and CAS hightc = minimum cycle,2.5 5 2.5 5 mA1003 Average refresh current RAS cycling, 65 TBO 55 TBO mACAS highItc(P) = minimum cycle,1004 Average page-mode current RAS low, 55 TBO 45 TBO mACAS cyclingelectrical characteristics over full ranges of recommended operating conditions (unless otherwise noted)PARAMETERTEST CONDITIONSTMS4464-15TMS4464-20MIN TVPt MAX MIN TVpt MAXVOH High-level output voltage 10H = -5 mA 2.4 2.4 VVOL Low-level output voltage 10L = 4.2 mA 0.4 0.4 VIIInput current (leakage)VI=O V to 5.8 V, VOO=5 VAll other pins = 0 V to .5.8 VVa = 0 V to 5.5 V,UNIT±10 ±10 p,A10 Output current (leakage) VOO = 5 V, ±10 ±10 p,A1001Average operating currentduring read or write cycle1002 Standby currentCAS hightc = minimum cycle 60 TBO 50 TBO mAAfter 1 memory cycle,RAS and CAS hightc = minimum cycle,2.5 5 2.5 5 mA1003 Average refresh current RAS cycling, 50 TBO 40 TBO mACAS hightc(P) = minimum cycle,1004 Average page-mode current RAS low, 40 TBO 30 TBO mACAS cycling........oc.C.::len... >-oE(1)2"'Cc::CO2