1 - Al Kossow's Bitsavers

TMS2114. TMS2114L1024·WORD BV 4·BIT STATIC RAMSswitching characteristics over re~ommended voltage range, T A == O°C to 70°C, 1 Series 74 TTLload, CL == 100 pFPARAMETERTMS2114-15 TMS2114-20 TMS2114-25 TMS2114-45TMS2114L-15 TMS2114L-20 TMS2114L-25TMS2114L-45MIN MAX MIN MAX MIN MAX MIN MAXtalA) Access time from address 150 200 250 450Access time from chip selecttatS)(or output enable) low70 85 100 120ta(W) Access time from write enable high 70 85 100 120tv(A) Output data valid after address change 20 20 20 20tdis(S)Output disable time after chip select(or output enable) high50 60 60 100tdis(W) Output disable time after write enable low 50 60 60 100read cycle timing tADDRESS. AVIHVILtc(rd)~~ADDRESS VALIDX~I~"{S{-cVIHCHIP SELECT. 5VILtV(AIHVIHOUTPUT DATA. Q HI-Z---{ II-HI-Z-VILta(A)--t>IAll timing reference points are 0.8 V and 2.0 V onlnputs and 0.6 V and 2.2 Von outputs (90% points). Input rise and fall times equal 10 nanoseconds.tWrite enable is high for a read cycle.I \ I J~~;'{SJearly write cycle timing~----------------------tc(wrl .....----------------------~~VIH~~~~ ~~----------------------------------------------,ADDRESS. AWRITE ENABLE. WADDRESS VALIDVIL~~~Y ~~--------------------------------------------~tq------irl' ..... t su (A)VIH ----------!I..UNITnsnsnsnsnsnst oc.C.::::JCJ).. >oEQ)2"CE:(Q~c:(a:VIHCHIP SELECT. SVILINPUT DATA. DVOHOUTPUT. Q VOL -----------------HI-Z84TEXAS .INSTRUMENTSPOST OFFICE BOX 225012 • DALLAS. TEXAS 752658-5