1 - Al Kossow's Bitsavers

TMS47648192·WORD BY 8·BIT READ·ONLY MEMORYelectrical characteristics, T A ooe to 70 D e, Vee 5 V ± 10% (unless otherwise noted)PARAMETER TEST CONDITIONS MIN MAX UNITVOH High-level output voltage VCC=4.5 V, 10H= -400 itA 2.4 VVOL Low-level output voltage VCC=4.5 V, IQL=3.2 mA 0.4 V'IInput current VCC=5.5 V, OVSVIN=55.5 V 10 flA10 Output leakage current Vo =0.4 V to VCC, Chip deselected ±10 flAICCl Supply current from VCC (active) VCC=5.5 V, VI =VCC output not loaded 80 mACi Input capacitanceVO=O V,TA=25°C,f= 1 MHz6 pFCoOutput capacitanceVO=O V,f=l MHzTA=25°C,switching characteristics, TA=Ooe to 70 o e, Vee=5 V ±10%, 2 series 74 TTL loads, eL=100 pFtPARAMETERTMS4764-30 TMS4764-35 TMS4764-45MIN MAX MIN MAX MIN MAX12 pFtalA) Access time from address 300 350 450 nsta(S) Access time from chip select 120 120 120 nstv(A) Output data valid after address change 20 20 20 nstdis Output disable time from chip select 100 100 100 nsUNITtAli AC measurements are made at 10% and 90% points.tV(A)--Iread cycle timing:::-------------------""IxII....------AO-A12I10-I\1_ I : I:~------------------------~:~ : III --I ,..- tdisI ---f ta(S) r-- I I IQ1-Q8::: _____ ~ t.IAI ~ VALtD __I7-16 TEXASINsrRUMENlSPOST OFFICE BOX 225012 • DALLAS. TEXAS 75265